ML20030D822

Reg Guide 1.85,Revision 18, Matls Code Case Acceptability, ASME Section III Div 1

ML20030D822
Person / Time
Issue date:	08/31/1981
From:	NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES)
To:
References
REGGD-01.085, REGGD-1.085, NUDOCS 8109170001
Download: ML20030D822 (10)

Text

1 R; vision 18

@,,/pg%s); REGULATORY GMt E

U.S. NUCLEAR REGULATORY COMMISSION August 1981 e

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1. 6 OFFICE OF NUCLEAR REGULATORY RESEARCH SEP 0 9 L981 a )

REGULATORY GUIDE 1.85 Q u.s.um umrm Q

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• MATERIALS CODE CASE ACCEPTABILITY h 9@'

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ASME SECTION lli DIVISION 1 b

A. INTRODUCTION Part 50 requires, in part, that ni u e its e ished for the control of special processing o materials and that Section SG.L," Codes and Standards,"of 10 RR Part 50, prope testing be performed.

" Domestic Licensing of Production and Utilization Facil-ities," requires, in part, that components of the reactor This regulatory guide lists those Section Ill AShtE Code coolant pressure boundary be designed, fabricated, erected, Cases oriented to materials and testing that are generally and tested in accordance with the requirements fcr Class 1 acceptable to the NRC staff for implementation in the components of Section III, " Nuclear Power Plant Compo-licensing of light-water-cooled nuclear power plants.

nents,"' of the Arnerican Society of Mechanical l'ngineers (AShtE) Boiler and Pressure Vessel Code or equivalent B. DISCUSSION quality standards. Footnote 6 to 50.55a stater that the use of specific Code Cases may be authorized by the The Boiler and Pressure Vessel Committee of the ASME Commission upon request pursuant to s 50.55a(aK2)(ii),

publishes a document entitled " Code Cases."3 Generally, l

which requires that proposed alternatives to the described the individual Code Cases the make up this document requirements or portions thereof provide an acceptable explain the intent of Code rules or provide for alternative level of quality and safety.

requirements under special circumstances.

General Design Criterion 1, " Quality Standards and Most Code Cases are eventually superseded by revision

}

Records," of Appendix A, " General Design Criteria for to the Co+ and then are annulled I,y action of the ASME Nuclear Power Plants," to 10 CFR Part 50 requires,in part, Council. In such cases, the intent of the annulled Code Case that structures, systems, and components important to becomes part of the revised Code, and therefore continued safety be designed, fabricated, erewd, and tested to use of the Code Case intent is sanctioned under the rules of quality standards commensurate with the importance of the the Code. In other cases, the Code Case is annulled because safety functien to be performed. Where generally recognized it is no longer acceptable or there is no further requirement i

l codes and standards are used, Criterion I requires that they for it. A Code se that was approved for a particular be identified and evaluated to determine their applicability, situation and no. for a generie application should be used adequacy, and sufficiency and be supplemented or modified only for construction of the approved situation because as necessary to ensure a quality product in keeping with the annulment of such a Code Case could result in construction required safety function.

that would not meet Code requirements.

Criterion 30, " Quality of Reactor Coolant Pressure The Code Cases listed in this guide are limited to those Boundary," of the same appendix requires, in part, that cases applicable to Section ill that are oriented toward components that are part of the reactor coolant pressure materials and testing.

boundary be designed, fabricated, erected, and tested to the highest quality standards practical.

All published Code Cases in the area of materials and testing that are applicable to Section III of the Code and,

Appendix B, " Quality Assurance Criteria for Nuclear were in effect on November 17,1980, were reviewed forl Power Plants and Fuel Reprocessing Plants," to 10 CFR inclusion in this guide. In addition to the listing of accept-able Code Cases, this revision of the guide includes listings

' Copies may be obtained from the American Society of Methani-cal Enpneers, United Engineering Center, 345 l'ast 47th Street, 7

New York, New York 10017.

Lines indicate substantive changes from Revision 17.

USNRC REGULATORY GUIDES Comments should be sent to the Secretary of the Commission, U.S. Nuclear R egulat ory Commission, Washington, D.C. 205 55, Regulatory Guides are issued tc describe ar'd make available to the Attention: D0cketing and Service Branch, public methods acceptable to the NRC 5 aff of im plemen ting specific parts of the Commission's regulatiors, to detmeate tech-The guides are issued in the f ollowing ten broad divisions; niques used by the staf f in evaluating specific problems of postu-

/

\\

laced accidents, or to provide guidance to applicants. Regulatory

1. Power Reactors

6. Products i

Guides are not substitutes for regulations, and compliance with

2. Research and Test Reactors

7. Transportation (j) them is not required. Methods and solut,nns dif ferent f rom those set

3. Fuels and Materials Facileties

8. Occupationa! Health out in the guides will be acceptable if they provide a basis for the 4 Environmental and Siteng

9. Antitrust and Financial Revsew findings requisite to the issuance or Continuance of a permit or

5. Materials and Plant Protection 10. General license by the Commission.

Copies of issued nuides may be purct'ased at the current Government This guide was issued after consideration of comments received from Printing Of f 6ce price. A subscription servsce for future guides in spe-the public. Commt.nts and suggestions for improvements in these cific divisions is available through the Government Printing Office.

guides are encouraged at all times, and guides will be revised, as Information on the subscription service and current GPO prices may appropriate, to accommodate comments and to reflect new informa-be obtained by writing the U.S. Nuclear Regulatory Commission, tion or experience Washington, D.C. 20555, Atten; ion: Publications Sales Manager.

8109170001 810831 PDR REGGD 01.085 R PDR

e of (1) Code Cases that were identified as acceptable in a

.the Code Case: The information required to be prior version of this regulatory guide and that were annulled developed by Note I in the Code Case should be after the original issuance of this guide (June 1974) and (2) provided in each referencing Safety Analysis Report.

Code Cases that were identified as accept 3ble in a prior version of this iegulat' ry guide and that were superseded 1571 03-03-73 Additional Ma terial for SA-234 o

by revised Code Cased after the origir.a! issuance of this 01-08-79 Carbon Steel Fittings, Section til guide (June 1974). Code Cases that are et listed herein are either'not endorsed or will requ;re supplementary provisions on an individual basis to attair endorsement status.

(2) Code Cases involving pipe and tubes:

The endorsement of a Code Case by this guide constitutes 14741 10-29-71 Integrally Finned Tubes for Section acceptance of its technical position for applications not 01-08-79 til precluded by regulatory or other requirements or by the 1484 3 08-13-76 Sil-163 Nickel-Chromium tron Tub-recommendations in this or other regulatory guits. Contin-08-30-79 ing( Alloy 600 and 690) and Nickel-gent endorsement is indicated in regulatory position C.I.a Iron-Chromium Alloy 800 at a for specific cases, llowever, it is the responsibility of the Specified Minimum Yield Strength user to make certain that no regulatory requirements are of 40.0 Ksi Section III, Division I, violated and that there are no conflicts with other recom-Class I mended limitations resulting from Code Case usage.

Code Case 1484-3 is acceptable subject to the following Acceptance or endorsement by the NRC staff applies condition in addition to those conditions specified in only to those Code Cases or Code Case revisions with the the Code Case: Alloy 690 is not acceptable on a date of " Council Approval" as shown in the regulatory generic basis.

osition of this guide. Farlier or later revisions of a Code Case are not endorsed by this guide. New Code Cases will require evaluation by the NRC staff to determine if they 1527 06-26-72* Integrally Finned Tubes, Section qualify for inclusion in the approved list. Because of the 01-08-79 Ill continuing change in the status of Code Cases,it is planned 1578 06-25-73 SB 167 Nickel-Chromium-Iron (Alloy that this guide will require periodic updating to accommo-01-08-79 600) Pipe or Tube, Section ill date new Code Cases and any revisio s of existing Code 1794 01-14 77 Use of Seamless Al-Br, Alloy CDA Cases.

01-07-80 614 Pipe,Section III, Division 1, Class 3 l

C. REGULATORY POSITION N-188-1 05-15-78 Use of Welded Ni-Fe-Cr-Mo-Cu

( Alloy 825) and NifrMo-Cb ( Alloy I. The Section 111 ASMF Code Cased listed below (by 625) Tubing, Section Ill, Division number, date of Council approval, and title) are acceptable I, Class 2 and 3 to the NRC staff for application in the construction of N-224 11-20-78 Use of ASTM A500 Grade B and components for light-water-cooled nuclear power plants.

ASTM A501 Structural Tubing for lheir use is acceptable within the limitations stated in Welded Attachments for Section the "Inquhy" and " Reply" sections of each individual III, Class 2 and 3 Construction l

Code Case, within the limitations of such NRC or other N-294 08-25-80 SB-148 Alloy 952 and 954, and requirements as may exist, and within the additional SB-6 2 Alloy 836 Fittings, Sec-limitations recommended by the NRC staff given with the tion III, Division 1, Class 2 individual Code Cases in the listing. The categorization of Code Cases used in this guide is intended to facilitate the Code Case listing and is not intended to indicate a limita-(3) Code Cases involving bars and forgings:

tion on its usage,

a. Materials-oriented Code Cases (Code Case number, 1332-7 01-08-79 Requirements for Steel Forgings, date of Council approval,3 and titic):

Section 111, Division i 1334 3 04-29-74 Requirements for Corrosion-Resisting (1) Code Cases involving plate:

01-08-79 Steel Bars and Shapes, Section 111 1335-10 08-28-78 Requirements for Bolting Materials, 1358-5 11-03-75 liigh Yicld Strength Steel, Section B1 (N-3-10)

Section ill 1337-11 05-15-78 Special Type 403 Modified Forgings Code Case 1358-5 is acceptable subject to the following (N-4-11) or Bars, Section 111, Division 1, condition in addton to those conditions specified in Class I and CS 1395-4 01 08-79 SA-508, Class 2 Forgings with Modi-(N-9-4) fied Manganese Content, Section til 2

ss and 3, Wnimum A numerical listing af the Code Cases appears in the appendis.

3 01-08-79 Tempering Temperature, Section 111

% hen two dates a% Fivcn, the earlier date is that on which the Code Case was appre ved by the ASME Councit and the later date is 4

l this on which the < ode Case was reafrirmed by the ASME Council.

Corrected date.

1.85-2

l 1542-1 04-29-74 Type 403 Forgings or Bdrs for,

1754 01 14-77 Hard Surfacing by the Spray-Fuse l

01-08-79 Bolting Material,Section III 01-07-80 Method, Section ill, Gass 1,2 and 1626-1 01 08-79 Normalized and Tempered 1 1/4 Cr 3 Construction

{

(N-65-1)

Low Ahoy Steel Forgings,Section I 1759-1 05-15-78 Material for Internal Presswe Retain-and Section III.

(N 131-1) ing items for Pressure Relief Valves, 1722-1 01-08-79 Vacuum, Carbon Deoxidized SA-508 Section III, Division 1, Gass I, 2, (N-1071)

ForgingsSection III, Division I and 3 1747 03-01-76 Requirements for Martensitic Stain-01-08-79 less Steel Forgings with 13% Chro-Code Case 1759-1 is acceptabla nbject to the following mium and 4% Nickel,Section III, condition in addition to those c.ditions specified in the Division I Code Case: Applicants using this Case should also use 1772 08-13-76 Use of SA-453 Bolts in Service Code Case 1711 for the design of pressure relief valves.

08-30-79 Below 800*F Without Stress Rup-ture Tests, Section 111, Division 1 1782 09-10-76 Use of Copper-Nickel Alloy 962 for 1793 01-14-77 Structural Steel Rolled Shapes, Sec-08-30-79 Castings,Section III, Di<ision 1, 01-07-80 tion HI, Division 1, Gass 2,3,and MC Class 3 Construction N 204 03-20-78 Use of Modified SA-508, Cass 3, N-205 05-15-78 Use of Ductile Iron SA-395 for and SA-541, Class 3 for Section III, Section 111, Division I, G ass 3 Division I, Class I, 2 and 3 Con-Construction struction N-206 03-20-78 Use of ASIM B151-75 Copper-Nickel N-259 01-07-80 Ni-Cu-Al Bolting Material SB 164 Alloy 706 Rod and Bar for Section l

Modified,Section III, Division 1, III, Division 1, Class 3 Construction l

Gass 3 N-207-1 03-19-79 Use of Modified SA-479 Type XM 19 N-299 11-17-80 Use of Nickel-Chromium-Molybde-for Section III, Division 1, Class I, num-Columbium Alloy 625 Forgings, 2,3, or CS Construction Section III, Division 1, Class 2 and N-223 I l-30-78 Requirements for Stainkst Steci-Class 3 Components Precipitation Hardening, Ssction III, Division 1, Class MC (4) Code Caser involving general usage:

N-242-1 04-10-80 Materials Certification,Section III, l Division 1, Casses 1, 2, 3, MC, and O

I344-5 04-29-74 Nickel-Chromium, Age-Ilardenable CS Construction 01-08-79 Alloys,(Alloy X750) Section 111 1557-3 01-08-79 SteelProducts Refined by Secondary Code Case N-242-1 is acceptable subject to the following (N-37-3)

Remetting,Section III and VIII, condition in addition to those conditions specified in the Division I and 2 Code Case: Applicants should identify in their Safety 1618-2 03-01-76 Material for Core Support Struc-Analysis Reports the components and supports for 01-08-79 tures - Section III, Division 1, Sub-which the Code Case is being applied and should specify section NG the respective paragraphs of the Code Case.

Code Case 1618-2 is cceptable subject to the following N-245 07-09-79 Use of ASTM M1-76 and B62-76 condition in addition to those conditions specified in the Copper Alloy Castings for Section III, Code Case: Welding of age-hardenable alloy SA-453 Division 1, Class 3 Constrcction Grade 660 and SA-637 Grade 688 should be performed N-246 07-09-79 Use of SB-169, Alloy CA 614, Sec-when the material is in the solution-treated condition.

tion III, Division 1, Class 3 N-249 01-07-80 Additional Materials for Component 1644-9 01-07-80 Additional Material &r Component Supports Fabricated Without Weld-(N-71-9)

Supports Fabricater by Welding, ing,Section III, Division 1, Subsec-Section III, Division I, Subsection tion NF, Class 1,2,3 and MC Com-NF, Class 1,2,3, and MC Component r onent Supports Supports Code Case N-249 is acceptable subject to the fo!!owing Code Case 1644-9 is acceptable subject to the following condition in addition to those conditions specified in the condition in addition to those conditions specified in the Code Case: Footnote 2 of the Code Case should apply Code Case: In the last sentence of paragraph 5.3, reference to all materials listed in Tables 1,2,3,4, and 5 of the should be made to paragraph 4.5.2.2," Alternate Atmos-Code Case and should be so indicated on line 5 of the phere Exposure Time Periods Established by Test," of "RepW' i

the AWS D.I.1 Code for the evidence presented to and

)

- accepted by the Authorized Inspector concerning expo-N-265 01-07-80 Modified SA-487 Castings, Sec-J

,g 1

sure of electrodes for longer periods of time.

tion Ill, Division 1, Class 1 A

N-277 03 17-80 Use of Type XM-19 Austenitic 1714-2 08-28-78 Postweld IIcat Treatment of P-1 Stainless Steel for Section ill, I

(

(N-102-2)

Material,Section III, Class MC Division 1, Gass MC Construction 1.85-3

l N-296 I l-17-80 Welding Material, Section ill, of the Authorized Nuclearinspector, that the procedures Division 1 Construction are. capable of detecting unacceptable cracks according to Section XI requirements.

b. Testing-oriented Code Cases:

N-298 I l-17-80 Examination of Component Su p-(1) Code Cases involving plates:

ports, Section Ill, Division 1, Class I, 2,3, and MC 1407-3 07-01-74 Time of Examination for Classes I, 01-08-79 2, and 3 Section 111 Vessels

2. Code Cases that were endorsed by the NRC in a prior N-227 07-09-79 Examination of Repair Welds, Sec-version of this guide and were later annulled by action of tion Ill, Class 2 and 3 Tanks the ASME Council should be considered as deleted from the list of acceptable Code Cases as of the date of the (2) Code Case involving bars and forgings.

AShlE Cour ' action that approved the annulment. Such Code Cases that ure annulled on or after July 1,1974, are (Code Cases will be aNed as needed.)

listed in the following by number, effective dates,6 and title.7 (3) Code Case involvin J pipe and tubes:

1141-1 08-31-61 Foreign Produced Steel 1755-1 01 14-77 Alternative Rules for Examination 07-23-76 01-07-80 of Welds in piping, Section 111, 1345-2 03-09-72 Requirements for w kel-Molybde-e Class I and 2 Construction (N-6) 03-01-79 num-Chromium '... AP ys, Sec-tion til 3

(4) Code Cases involving general usage:

1412-4 11-03-75 Modified liigh Yie ngth Steel 01-01-77 for : : tion ir ~~

1, Class 1 4

1698 06-30-75 Waiver of Ultrasonic Transfer Meth-Veswl i

(N-92)

I l-20-78 od,Section III, V, and Vill, Divi-sion i Code Case 1412-4 was acceptal % _abje t to the follow-ing condition in addition to those conditions specified in Code Case 1698 is acceptable subject '., the following the Code Case: The information required to be developed condition s in addition to those specified in the Code by Note 1 in the Code Case should be provided in each Case. The material from which the basic calibration referencing Safety Analysis Report. The material given block is fabricated should be of the same product iri the Inquiry section of the Code Case should be form, alloy, and heat treatment as the material being SA-508, Class 4b, instead of SA-508, Class 4 examined or should be shown to have the same sound beam attenuation characteristics as the material being 1414-5 08-29-77 liigh Yield Strength Cr-Mo Steel examined. Alloys of equivalent P-number grouping (N-11-5) 08-29 80 for Section Ill, Division 1, Class 1 may be used for the fabrication of calibration blocks if Vessels adjustments to signal height can be made to compensate for sound beam attenuation difference between the cali-Code Case 1414-5 was acceptable subject to the fol-bration block and the material under examination by lowing condition in addition to those conditions followmg the transfer method procedure of T-535.l(d),

specified in the Code Case: The information required Article 5,Section V, ASME B&PV Code,1977 edition.

to be developed by Note I in the Code Case should be provided in each referencing Safety Analysis Report.

1820 03-23-77 Alternative Ultrasonic Examination 03-17-80 Technique,Section III, Division 1 1423-2 03-09-72 Wrought Type 304 and 316 with N 248 08-30-79 Alternative Reference Radiographs, 07-01-77 Nitrogen Added, Sections I, 111, Section 111, Division 1, Classes 1, 2, VIII, Division 1 and 2 3, MC, and CS Construction N-267 01-07-80 Double-Wall Radiography, So: tion III, code Case 1423-2 was acceptable subject to compliance Division 1, Class I and 2 with the recommendations contained in Regulatory N-274 03-17-80 Alternative Rules for Examination Guides 1.31, " Control of Ferrite Content in Stainless of Weld Repairs for Section 111, Steel Weld Metal, and 1.44, " Control of the Use of Division 1 Construction Sensitized Stainless Steel."

Code Case N-274 is acceptable subject to the following 1434-1 03-09-72 Postweld lleat Treatment of SA487 5

condition in additica to those conditions specified in 01-01-78 Class 8N Steel Castings, Section lit the Code Case: Paragraph 6 should be expanded as follows: The ultrasonic examination procedures shall 6Earlier date--date Code Case was approved by ASME Council; be proven by actual demonstration, to the satisfaction later date -date Code Case was annulled. Where more tnan two dates appear, the last date is the date that the Code Case was annulled.

5The reason for the conditional acceptance of paragraph 6 5e ase' is to make certain that there is a qualified ultrasonic testing proce-7 dure capable of detecting small flaws and differentiating the small Code Cases 1401 1,1493-1, and I s99, which were listed in the fl1ws from geometric reflectors. This paragraph does not in any original issue of this guide, were annulled by Council action prior to wry alter the acceptance criteria as specined in paragraph 3.

kly 1,1974.

l.85-4

r

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~ 1456 2 06-25-73 Substitutbn of Ultr sonic Exami-1605 11-05-73 Cr-Ni-Mo-V Bolting Materitt for (N-15) 03-01-79 nation for Progressive Penetrant or -

11-20-78 Section 111, Cass I Components Magnetic Particle Examinations of 03-17-80 n}

l Partial Penetration and Oblique 1608-1 12 17-73 Use of ASME SB-265, SB-337, SB-338,

• Q Nozzle Attachment Welds, SectionIH 03 21-77 SB-348, and SB-381, Grades 1, 2, 3, 1475-1a 03-02-74 Ferritic-Austenitic Stainless Steel and 7 Unalloyed Titanium and ASIM 07-01 Seamless Tubes for Section III, B-363 Titanium Welding Fittings, Cass 2 and 3 Construction Section IH Class 2 and 3 Components 1515' 03-09 72 Ultrasonic Examination of Ring 1612 17 s7-73 Use. of Type 308 Stainless Steel 07-01-77 Forgings for Shell Sections, Section (N-56) 07-01-78 Rod and Bar for Section III, Class III, Class ! Vessels I,2,3, and CS Construction 1521-1 04-29-74 Use of IlGrades of SA-240, SA-479, 1613 12 17-73 Use of SA-372 Class IV Forgings, 01 01-78 SA-336, and SA-358,Section III 01-01-78 Section ill Constructica 1615 12-17-73 Use of A587-73,Section III, Gass 3 Code Case 1521 1 was acceptable subject to compliance 01 01-78 Construction s

with the recommendations contained in Regulatory 1616 12-17-73 Ultrasonic Examination of Seamless i

Guides 1.31, " Control of Ferrite Content in Stainless 07-01-75 Austenitic Steel Pipe,Section III, Steel Weld fletal," and 1.44, " Control of the Use of Class 1 Construction Sensitized Stainless Steel."

1622 03-02-74 PWitT of Repair Welds in Carbon s

01-01-76 Steel Castings,Section III, Gass 1 1528-3 11-03-75 liigh Strength SteelSA-508, Class 2 2, and 3 01 01-78 and SA-541, Gass 2 Forgings, Sec-1625 03-02-74 Repair of Section 111 Class 2 and 3 tion III, Class I Components 12-31-74 Tanks 1634-2 08-13-76 Use of SB-359 for Section III, l

Code Case 1528-3 was acceptable subject to the follow-(N-68) 07-01-78 Division 1, Gass 3 Construction ing condition in addition to those conditions specified in 1637' 04-29-74 Effective Date for Compliance with I

the Code Case: The information required to be developed 01-01-75 NA-3700 of Section til 8

by Note I in the Code Case should be provided in each 1645 08-12-74 Use of DeLong Diagram for Calcu-referencing Safety Analysis Report.

01-01-76 lating the Delta Ferrite Content of Welds in Section III, Class 1,2, and 1529 06 29-72 Materials for Instrument Line Fit-CS Construction s

07-01-73 tings, Section 111 1648 08-12-74 SA-537 Plates for Section Ill, Class I,

~

1531 08-14-72 Electrical Penetrations, Special Al-07-01-76 2,3, and MC Components 8

03-21-77 loys for Electrical Penetration Seals, 1649 08-12-74 Modified SA453-GR660 for Class 1, Section til 01-01-76 2,3, and CS Construction 1532 08-14-72 Section III, Class 3 Components Made 1650 08-12-74 Use of SA-414 Grade C for Class 2 i

01-01-78 of 8 Percent and 9 Percent Nickel 12-31-74 and 3 Components, Section 111, l

Steel Division 1 1567 03-03-73 Dsting Lots of Carbon and Low 1664 11 04-74 Use of Cr-Ni-Fe-Mo-Curb Stabilized 01-01-78 Alloy Steel Covered Electrodes, 03-21-77 Alloy Cb-3 for Section Ill Class 2 Section 111 and 3 Construction i

1568 03-03-73 Testing Lots of Flux Cored and Fab-1666 I l-04-74 Use of Sd-12, Alloy 122 for Sec-01-01-78 ricated Carbon and Low Alloy Steel 07-01-75 tion III, Class 2 and 3 Construction l

Welding Electrodes, Section til 1682-1 08-11 75 Alternate Rules for Material Manu-1583 06-25-73 Use of 80540 Carbon Steel Castings, 12-31-75 facturers and Sui stiers, Section Ill, 1

03-21-77 Section 111 Subarticle NA ~ 1 8

8 1587 08-13-73 SA-508 Class 3 Forgings with 0.4/1.0 1684 03-03-75 A637 Grade 71 ar Bolting Gass 1 12-31-75 Ni for Section III and Vill, Division 01-01 76 and 2 Construction s

2 Construction 1690 04-28-75 Stock Materials for Section 111 Con-1590 08-13-73 Chemical Analysis Variations, Sec-01-01-77 struction, Section 111, Division 1 l

03-21-77 tion ill Construction 1691 04-28-75 Ultrasonic Examination in Lieu of 1602-1 04-29-74 Use of SB-42 Alloy 122, SB-lll 01-01-78 Radiography of Repair Welds for 12-31-74 Alloys 122, 715 and 706, SB-171 Vessels, Section Ill, Oass 1 Alloys 715 and 706 and SB-466 1713 08-11-75 Small Material items, Section 111, Alloys 706 and 715,Section III, 12-31-75 Division 1, Gass 1,2,3, CS and MC

- Class 2 and 3 Components 1724 11-03-75 Deviation from the Specified Silicon 1603 12-17 73 Toughness TestsWhenCross-Section (N-108) 07-01-78 Ranges in ASME Material Specifica-07-01-74 Limits Orientation and Location of tions Sectio'n III, Division 1, and

m Specimens VIII, Division I and 2

(

1728 11-03-75 Steel Structural Shapes and Small nj 07-01-77 Material Products for Component 8

i Code Case was annulled on date as indicated, but the annulment 9

was first so indicated in I evision 12 of this guide.

Code Case 1637 has been accepted only on a case-by-case basis.

F 1.85-5 1

88 Sopporh,Section III, Division i 1819-1 03-23-77 Use of Type Xht-19 for Construction, Construction (N-176-1 ) 03-23-80 Section III, Division 1, Class 1, 2, 1740 12-22-75 Weld hfetal Test, Section 51, Class I, and 3 07-01-76 2,3, hlC and CS N-178 05-25-77 Use of ASTht B271,CDA 954, Alloy 17411 01-14-77 Interim Rules for the Required 01-01-80 9C for Class 3 Construction, Sec-01-01-78 Number of impact Tests for Rolled tion lit, Division 1 Shapes,Section III, Dr<ision 1,

N-180 07 11-77 Examination of Springs for Class i Subsection NF, Component Supports 07-01-78 Component Standard Supports, Sec-1742 03-01-76 Use of SB-75 Annealed Copper tion III, Division 1 07-01-76 Alloy 122, Section 111, Division I, N-181 07-1I-77 Steel Castings Refined by the Argon Class 2 Construction 07-11-80 Decirburization Process, Section lit, 1743 03-01-76 Use of SB 98 Cu-sib Rod CDA651 Division 1, Construction 07-01-76 Section Ill, Division 1, Class 2 N 183 07-11-77 Use of hfodified SA-182 Grade F22 Components 01-01-80 for Section lit, Division 1, Class 1, 1746 03-01-76 Leak Testing of Seal Welds, Sec-2 and 3 Construction (f:-123) 03-01-79 tion 111, Division 1, Class I, 2,.ind N-190 08-29-77 Use of SA-455 for Class 3 Com-3 Constructior 07-01-78 ponents,Section III, Division i 1748 03-01-76 Low Carbor Austenitic Stainless N-225 11-20-78 Certification and Identification of (N-125) 07-01-78 Steel Pipe Welded With Filler hietal, 01-01-81 hiaterial for Component Supports, Section l's, Division 1, Construction Section III, Division i 1760 04-26-76 hlaxim* m Dimensions for Isolated 01-01-78 Pores in Welds-Class I Components,

3. Code Cases that were endorsed by the NRC in a prior Section Ill, Division I version of this guide and were superseded by revised Code 1766 04-26-76 Testing Requirements for Welding Cases on or after July 1,1974, should be considered as not 07-01-77 hiaterials, Class I, 2,3, htC and CS endorsed as of the date of the Council action that approved Construction,Section III, Division I the revised version of the Code Cases. These Code Cases 1767 04-26-76 Examination of Tubular product:

that are no longer endorsed are listed in the following by 01-01-77 Without Filler Metal-Class 1 Con-number, effective dates,i 2 and title.8 3 struction,Section III, Division 1 1770 08-13-76 Testing of Electroslag Wire and 1332-6 03-09-72 Requirements for Steel Forgings,

/

(N-139) 01-01-79 Flux for Class 1, 2,3, hlC, and CS 01-08-79 Section Ill and VIII, Division 2 Construction,Section III, Division 1 1335-9 04-29-74 Requirements for Bolting hiaterials 1773 08-13-76 Use of Other product Forms of 08-28-78 07-01-77 Materials for Valves, Section !!I, 1337-9 04-29-74 Special Type 4C3 h!odified Forg-Division 1 04-28 75 ings or Bars, Sect on ill 1777 08-13-76 Use of SA-106, Grade C in Class 1337-10 04-28-75 Special Type 403 Modified Forg-07-01-77 MC Construction, Section lit, Divi-05-15-78 ings or Bars, Section 111 sion 1 1395-3 11-06-72 SA-508, Class 2 Forgings with 51odi-1781 09-10-76 Use of Modified S A-487 Grade 01-08-79 fled Manganese Content, Section 111 (N-147) 07-01-78 CA6NM,Section III, Division 1, or Section VIII, Division 2 Class I, 2,3, MC or CS 1407-2 06-26-72 Time of Examination for Class I,2, 1787 09 10-76 Depth of Weld Repairs for Forgings, 07-01-74 and 3, Section Ill Vessels 01-01-78 Section 111, Division 1, Class 1, 2,3, 1414-3 11-03-75 Iligh Yid Strength Crato Steel for MC and CS Construction 03-01-76 Section

,11, DiWsion i, Class 1 1795 01-14-77 Examination of Weld Repairs in Vessels (N-158) 07-01-78 Forging Section 111, Division I, Class 1,2,3, MC and CS Code Case 1414-3 was acceptable subject to the follow-1793 01-14-77 Use of ASTM A352-75, Grades ing condition in addition to those conditions specified in 01-01-78 LCA and LCC,Section III, Division the Code Case: The information required to be developed I, Class 1,2, and 3 by Note I in the Code Case should be provided in each 1810 03-03-77 Testing Lots of Carbon Steel Solid, referencing Safety Analysis Report.

03-03-80 Bare Welding Electrode or Wire, Section Ill, Division 1. Class I, 2, 1414-4 03-01-76 Iligh Yield Strength Cr-Mo Steel for 3, MC, and CS 08-09-77 Section III, Division 1, Class 1 30 1819 03-23-77 Use of Type XM-19 for Construc-Vessels 01-01-78 tion,Section III, Division 1, Class si Case asi9 (N-i?6) was annulled December 31,1977. Ilowever, 1,., 3 it was later reaffirmed to continue previding rules pertaining to external pressure charts.

12 Earlier date-date Code Case wss approved by ASME Council; later date-jate revision of Code Case was approved by ASME Council.

10 Code Cases 1334-2,1337-7,134&3.14 84.1521, and 1542, This Code Case was reaffirmed as Case 1819 *. See regulatory which were listed in the original issue of this guide, were revised by position 2 for the effective Jates, the ASMI' prior to July 1,1974.

1.85-6

Code Case 1414-4 was acceptable subject to the follow-1644-1 04-28-75 Addidonal Materials for Component ing condition in addition to those conditions specified in 06-30-75 Supports - Section Ill, Subsection the Code Case: Theinformation required to be developed NF, Class 1,2,3, and MC Construc-by Note 1 in the Code Case should be provided in each tion x

referencing Safety Analysis Report.

j Code Case 1644-1 was acceptable subject to the follow-1484-1 04-29-74 SB-163 Nickel-Chromium-Iron Tub-ing condition in addition to those conditions specified in I l-04-74 ing (Alloy 600) at a Specified Mini-the Code Case: The maximum measured ultimate tensile mum Yield Strength of 40.0 Ksi, strength of the component support material should not Section ill, Class I exceed 170 Ksi.

1484-2 I l-04-74 SB 163 Nickel-Chromium-Iron Tub-l 08-13-76 ing (Alloy 600 and 690) at a Speci-1644-2 06-30-75 Additional Materials for Component fied Minimum Yield Strength of I l-03-75 Supports-Section Ill, Subsection NF, 40.0 Ksi, Section 111, Class 1 Class I, 2, 3 and MC Construction 84 1492 10-29-71 lbst Weld Ileat Treatment,Section I, 03-03-75 111 and Vill, Division I and 2 Code Case 1644-2 was acceptable subject to the follow-1557-2 12-17-73 Steel Products Refined by Secondary ing condition in addition to those conditions specified in 01-08-79 Remelting the Code Case: The maximum measured ultin ste tensile 1618 03-02-74 Material for Core Support Struc-strength of the component support material should not 03-03-75 tures - Section III, Subsection NG exceed 170 Ksi.

Code Case 1618,was acceptable subject to the following 1644-3 11-03-75 Additional Materials for Component conditions in addition to those specified in the Code 03-01-76 Supports - Section Ill, Subsection Case:

NF, Class 1,2,3 and MC Construc-tion

a. Welding of age-hardenable alloy SA-453 Grade 66C and SA-637 Grade 688 should be performed when Code Case 1644-3 was acceptable subject to the follow-the material is in the solution-treated condition.

ing condition in addition to those conditions specified in the Code Case: The maximum measured ultimate tensile I, Use of alloy ASTM A-564 Grade 631 is not acceptable strength of the component support material should not on a generic basis.

exceed 170 Ksi.

1618-1 03-03-75 Material for Core Support Structures 1644-4 03-01-76 Additional Materials for Component 03-01 76 Section 111, Subsection NG 08-13-76 Supports and Alternate Design s

Requirements for Bolted Joints, Code Case 1618-1 was acceptable subject to the follow-Section Ill, Division I, Subsection ing condition in addition to those specified in the Code NF, Class 1, 2, 3 and MC Construc-Case: Welding of age-hardenable alloy SA-453 Grade 660 tion and SA-637 Grade 688 should be performed when the material is in the solution-treated condition.

Code Case 1644-4 was acceptable subject to the follow-ing conditions in addition to those specified in the Code 1626 03-02-74 Normalized and Tempered 11/4 Cr Case: The maximum measured ultimate tensile strength 01-00-79 Low Alloy Steel Forginn.Section 1, (UTS) of the component support material should not Section Ill, and Sectio.

.'111, Divi-exceed 170 Ksi in view of the susceptibility of high-sion I and 2 strength materials to brittleness and stress corrosion 1634 07-01-74 Use of SB-359 for Section III, cracking. Certain applications may exist where a UTS 08-12-74 Class 3 Construction value of up to i90 Ksi could be considered acceptable 1634-1 08-12-74 Use of SB-359 for Section 111, for a material and, under this condition, the Design 08-13-76 Class 3 Construction Specification should specify impact testing for the 1644 08-12-74 Additional Materials for Component material For these cases,it should be demonstrated by 04-28-75 Supports - Section Ill, Subsection the applicant that (1) the impact test results for the NF, Clast 1,2,3, and MC Construc-material meet code requirements and (2) the materialis tion not subject to stress corrosion cracking by virtue of the fact that (a) a corrosive environment is not present Code Case 1644 was acceptable subject to the following and (b) the component that contains the material has condition in addition to those conditions specified in the essentially no residual stresses or assembly stresses, and Code Case: The maximum measured ultimate tensile it does not experience frequent sustained loads in strength of the component support rnaterial should not

service, exceed 170 Ksi.

1644-5 08-13-76 Additional Matc'ials for Component l

14 03-03-77 Supports and Attemate Design

'(

Code Case 1492 is no longer listed by ASME as a Section Ill N

Code Case and is therefore deined from the acceptable listing.

Requirements for Bolted Joints, 1.85-7 l

i

Section III Divisian t,Subsectim NF, and, under this condition, the Design SpecificEtion Class I, 2, 3 and MC Construction should specify impact testing for the material. For these cases, it should be demonstrated by the applicant that

+

Code Case 1644 5 was acceptable subject to the follow-(1) the impact test results for the material meet code ing conditions in addition to those specified in the Code requirements and (2) the material is not subject to Case: The maximum measured ultimate tensile strength stress corrosion cracking by virtue of the fact that (a)a f

(UTS) of the component support material should not corrosive environment is not present and (b) the com-exceed 170 Ksi in view of the susceptibility of high-ponent that contains the material has essentially no strength mate..als to brittleness and stress corrosion residual stresses or assembly stresses, and it does not cracking. Certain applications may exist where a UTS experience frequent sustained loads in service.

value of up to 190 Ksi could be considered acceptable for a material and, under this condition, the Design 1644 8 05-15-78 Additional Materials for Component Specification should specify impact testing for the

( N-7 !-8) 01-07-80 Supports,Section III, Division 1, material. For these cases it should be demonstrated by Subsection NF, Class I, 2, 3 and the applicant that (1) the impact test results for the MC Component Supports material meet code requirements and (2) the materialis not subject to stress corrosion cracking by virtue of the fact that (a) corrosive environment is not present Code Case 1644-8 was acceptable subject to the follow-and (b) the component that contains the material has ing conditions in addition to those specified in the Code escentially no resideal stresses or assembly stresses, and Case: The maximum measured ultimate tensile strength it does not experience frequent sustamed loads in (UTS) of the component support material should not service.

exceed 170 Ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion 1644-6 03-03-77 Additica d Materials for Component cracking. Certain applications may exist where a UTS I l-21-77 Supports and Alternate Design value of up to 190 Ksi could be considered acceptable Requirements for Bolted Joints, for a material and, under this condition, the Design Section ill, Division I, Subsection Specification should specify impact testing for the NF, Class I, 2, 3 and MC Construc-material. For these cases, it should be demonstrated by tion the applicant that (1) the impact test results for the material meet code requirements and (2) the material Code Case 1644-6 was acceptable subject to the following is not subject to stress corrosion cracking by virtue of conditions in addition to those specified in the Code the fact that (a) a corrosive environment is not present Case: The maximum measured ultimate tensile strength and (b) the component that contains the material has (UTS) of the component support material should not essentially no residual stresses or assembly stresses, and exceed 170 Ksiin view of the susceptibility of f.wh-strength it does not experience frequent sustainedloads in service.

materials to brittleness and stress corrosion cracking.

Certain applications may exist where a UTS value of up 1682 01-29-75 Al,crnate Rules for Material Manu-to * ;') Ksi could be considered acceptable for a material 08-1I-75 facturers and Suppliers, Section Ill, ad, under this condition, ti.e Design Specification Subarticle NA-3700 should specify impact testing for the material. For these 1714 08-11-75 Postweld lieat Treatn ent of P-1 4

cases, it should be d:monstrated by the applicant that 07-1I-77 Material,Section III, Class MC 4

(1) the impact test results for the material meet code 1714-1 07-11-77 Postweld lleat Treatment of P-1 requirements and (2) the material is not subject to (N-10 2-1 ) 08-28-78 Material,Section III, Class MC stress corrosion cracking by virtue of the fact that (a) a 1722 11-03-75 Vacuum, Carbon Deoxidized SA-508 corrosive environment is not present and (b) the com-01-08-79 Forgings,Section III, Division I, and ponent that contains the material has essentially no Vlli, Division 1 and 2 residual stresses or assembly stresses, and it does not 1741 12-22-75 Interim Rules for the Required experience frequent sustained loads in service.

01-14-77 Number of Impact Tests for Rolled Shapes, Section Ill, Division 1,

1644M i1-21-77 Additional Materials for Component Subsection NI, Component Supports (N-71-D 05-15-78 Supports, Section 111, Division I, 1755 04-26-76 Alternative Rules for Examination Subsection NF, Class 1, 2, 3 and 01-14-77 of Welds in Piping, Class I and 2 MC Component Supports Construction, Section a Division 1 1759 08-13-76 Material for Internal Pressure Re-Code Case 1644-7 was acceptable subject to the following 05-15-78 taining Items fcr Pressure Relief conditions in addition to those specified in the Code Valves,Section III, Division 1, Class Case: The maximum measured ultimate tensile strength 1,2, and 3 (UTS) of the component support material should not exceed 170 Ksi in view of the susceptibility of high-strength Code Case 1759 was acceptable subject to the following materials to brittleness and stress corrosion cracking.

condition in addition to those conditions specified in the Certain applications may exist where a UTS value of up Code Case: Applicants using this Case should also use to 190 Ksi could be considered acceptable for a material Code Case 171i for the design of pressure relief valves.

1.85-8

N-188 08-29-77 Use of Weld:d Ni-Fe-Cr-Mo-Cu D. lMPLEMENT.~. flON 05-15-78 (Alloy 825) and Ni-Cr moo (Al-

/ _.

loy 625) Tubing, Section Ill, Divi-sion 1, Class 3 The purpose of this section is to provide information to

)

N-207 03-20-78 Use of Modified SA-479 Type applicants regarding the use of this regulatory guide, 1

'~'

03-19-79 XM 19 for Section III, Division 1 Class I,2 or 3 Construction N-242 04-12-79 Materials Certification, Section 111,

1. Except for those Code Cases that have been annulled 04 10-80 Division I, Clasas I,2,3, MC, and by action of the ASME Council, the NRC staff has found CS Construction the Code Cases listed in this regulatory guide under regula-tory position C.I acceptable for appropriate use.Other Code Code Case N-242 was acceptable subject to the fol-Cases may be considered for usein accordance with footnote lowing condition in addition to those conditions 6 of the Codes and Standards rule, 50.55a of 10 CFR Part 50.

specified in the Code Case: Applicants should identify the components and supports requiring the use of para-graphs 1.0 through 4.0 of the Code Case in their Safety

2. Components ordered to a specific version of a Code Case need not be changed because a subse<luent revision of Analysis Reports.

the Code Case is listed as the approved version in this guide.

4. Code Cases for Class I components that are no' on the approved list of this guide (paragraph C.1) or other

3. Components ordered to a Code Case that was previ-regulatory guides, or for whid authorization by the Cem-ously approved for use need not be changed because the mission has not been granted, are cot acceptable for Class 1 Code Case has been subsequen'ty annulled.

components.

4. Code Cases on the approved list may be applied to

5. Code Cases for other classes of components that are components that were in process of construction prior to not on the approved list of this guide (paragraph C.1) or the effective date of the Code Case within the :Imits speci-other regulatory guides should be considered not acceptable fied in the Code Case and applicable regulations or recom-on a generic basis.

mended in other regulatory guides.

j""%

l l

9

,F Q

1.85-9

APPENDIX NUMERICAL LISTING OF CODE CASES

• 1332-7 1644-9 (N-71-9)

N-223 1334-3 1698 (N-92)

N-224 t

1335-10 (N-3-10) 1714-2 (N-102-2)

N-227 1337-1 I ( N-1-1 I )

I 722-1 (N-107-1).

N-242-1 l 1344-5 1747 N-245 1358-5 1754 N-246 1395-4 (N-9-4) 1755-1 N-248 1407-3 1759-1 ( N-131-1)

N-249

{

l474-1 1772 N-259 I484-3 1782 N-265 1498-1 1793 N-267 1527 1794 N-274 1542-1 1820 N-277 15 57-3 (N-37-3)

N-188-1 N-294 1571 N-204 N-296 1578 N-205 N-298 1618-2 N-206 N-299 1626-1 (N-65-1)

N-207-1 Code Case 1624 was inadvertently listed in the appendix of Regulatory Guide 1.85, Revi-sion 1.

O 9

o u $ GOVERNUf NT PRINTING OFFICE 1981 - 341 7421244 l

1.85-10

UNITED STATES f

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NUCLEAR REGULATORY COMMISSION W ASHIN G TON, D. C. 20555 Post AGE AND P E E s PAfD U.S. NUCLE A R REGULATOR V OFFICI AL BUSINESS couusssioN PFN ALTY FOR PRIVATE USE, $300 L

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120555064215 2 CFIS LS NRC ACM CGCUMChi CCATRCL GESK PDR C16 WASHINGTch CC 20555 i

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