Regulatory Guide 1.85

Code Case Acceptability ASME Section III Materials

ML13350A327
Person / Time
Issue date:	06/30/1974
From:	US Atomic Energy Commission (AEC)
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RG-1.085
Download: ML13350A327 (4)

June 1974 U.S. ATOMIC ENERGY COMMISSION

REGULATORY

DIRECTORATE OF REGULATORY STANDARDS

GUIDE

REGULATORY GUIDE 1.85 CODE CASE ACCEPTABILITY

ASME SECTION III MATERIALS

A. INTRODUCTION

g Plants and Fuel Reprocessing Plant-,," to 10 CFR Part 50.

requires, in part, that measures be established for tihe Section 50.55a, "Codes and Standards," of 10 CFR control of special processing of materials and thai proper Part 50, "Licensing of Production and Utilization testing be performed. This regulatory guide lists those Facilities," requires, in part, that components of the Section III ASME Code Cases oriented to materials and reactor coolant pressure boundary be designed, fabri. testing which are generally acceptable to the AEC

cated, erected, and tested in accordance with the Regulatory staff for implementation in the Ilcnsing of requirements for Class I components of Section III, light-water-cooled nuclear power plants.

"Nuclear Power Plant Components,"' of the American Society of Mechanical Engineers (ASME) Boiler and

B. DISCUSSION

Pre.*sure Vessel Code or equivalent quality standards.

Footnote 6 to Section 50,55a states that the use of The Boiler and Pressure Vessel Committee of the specilic Code Cases may be authorized by the Commis- ASME publishes documents entitled "Interpretations of sion upon request pursuant to §50.55a(aX2Xii) which the ASME Boiler and Pressure Vessel Code,"1 These requires that proposed alternatives to the described documents, referred to as "Code Cases," explain the requirements or portions thereof provide an acceptable intent of Code rules or provide Code permission to use level of quality and safety. General Design Criterion I,

alternative requirements under special circumstances or

"Quality Standards and Records." of Appendix A. with suitable precautions. Most Code Cases a~e even-

0 "General Design Criteria for Nuclear Power Plants." to

10 CFR Part 50 requires, in part, that structures.

systems, and components important to safety be de.

signed, fabricated, erected, and tested to quality stan.

tually superseded by revision to the Code and then are annulled by action of the ASNIE Council.

The Code Cases listed in this guide are limited strictly dards commensurate with the importance of the safety to those applicable to Section III which are oriented function to be performed. Where generally recognized toward materials and testing.

codes and standards are used, Criterion I requires that they be identified and evaluated to determine their All published Code Cases in the area of materials and applicability, adequacy, and sufficiency and be supple- testing which are applicable to Section IIl of the mented or modified as necessary to assure a quality Code and were in effect on November 5. 1973 were product in keeping with the required safety function. reviewed for inclusion in this guide. Code Cases which Criterion 30, "Quality of Reactor Coolant Pressure were annulled by ASME Council between the November Boundary," of the same appendix requires, in part, that 5, 1973, and the March 2, 1974, Council meetings are components which are part of the reactor coolant not included in the listing. Code Cases which are not pressure boundary be designed, fabricated, erected, and listed herein are either not endorsed or will require tested to the highest quality standards practical. Appen- supplementary provisions on an individual basis to attain dix B. "Quality Assurance Criteria for Nuclear Power endorsement status.

l Copics may be obtained from the American Society of Mechanical Engineers, United Engineering Center, 345 East The endorsement of a Code Case by this guide

47th Street, New York, N.Y. 1007. constitutes acceptance of its technical position for USAEC REGULATORY GUIDES Copies of published guides may be oblaired by request indicating the division$

desired to the US. Atomic Energy Commission. Washington. D.C. 70545.

Regulatory Guides are issued to describe and rnaki availlble to the public Attention: Director of Regulatory Standards. Comments and suggestions or methods acceptable to the AEC Regulatory staff of Imlemnenting specific parts of Impyrovements in the"e guides ateo encouraged and should be sent to the Secretary the Commission'% regulations, to delineate techniqutus .ved by the staff in of the Commission. US. Atomic Energy Commission, Washington, D.C. 20545, evaluating specific problems or postulated accidents, ot to provide guidance to Attention: Chief. Public Proceedings Statf.

apptlicants. flegulatory Guides are not iubstitutes for regulations and compliance with them is not required. Methods end solutions dilffeent from those setout in The guide%Ire Issued In the following ten broad divisiont:

the *uidces will be acceptable if they provide a bosh for the findings requisite to the Issuence or continuance of a permit or license by the Commission. 1. Power Reactors

6. Products

2. Reseercts and Test Reactors;

7. Transportation

3. Fuels end Materials Facilities 8. Occupational Health Published guides will be revised periodically, at appropriate, to accommodlate 4. Environmental and Siting 9. Antitrust Review commantsand to reflect new information or experlence. 5. Materials aid Plant Protection 1

0. General

applications not precluded by regulatory or other (2) Code Cases involving pipe and tubes:

requirements or by the recommendations in this or other regulatory. guides. Contingent endorsement is indicated 1423-2 3/9/72 Wrought Type 304 and 316 with in Regulatory Position C.I.a for specific cases; however Nitrogen Added, Sections 1,111, it is the responsibility of the user to make certain that VIII, Divisions I and 2 no regulatory requirements are violated and that there

• are no conflicts with other recommended limitations This Code Case is acceptable subject to the resulting from Code Case usage. conditions established in Regulatory Guides 1.31,

"Control of' Stainless Steel Welding," and 1.44, The acceptance or endorsement by the Regulatory "Control of the Use of Sensitized Stainless Steel."

staff applies only to those Code Cases or Code Cc".e revisions with the date of "Council Approval" as shown 1474-1 10/29/71 Integrally Finned Tubes for Sec- in the Regulatory Position of this guide. Earlier or later tion III

revisions of a Code Case are not endorscd by thi"s guide. 1484 8/4/7 1 SB-163 Nickel-Chromium-Iron New Code Cases as they are issued or future revisions of Alloy Tubing at a Specified existing Code Cases will require evaluation by the Minimum Yield Strength of Regulatory staff to determine if they qualify for 40,000 psi,Section III

inclusion in the approved list. Because of the continuing 1527 6/6/72 Integrally Finned Tubes, Section change in the status of Code Cases, it is planned that tids IlI

guide will require periodic updating to accommodate 1529 6/26/72 Materials .or Instrument Lind new Code Cases and any revisions of existing Code Fittings, Sectw-n III

Cases. 1578 6/25/72 SB-167 Nickel-Chromium Iron (Alloy 600) Pipe o; Tube, Sec- tion III

C. REGULATORY POSITION

1599 8/23/73 ASTM A-234-73 Fittings V.r use in Section 111, Classes 1, 2 and 3 I. The Section III ASME Code Cases 2 listed in the Construction following by number, title, and date of Council approval are acceptable to the Regulatory staff for application in (3) Code Cases involving bars and forgings:

the construction of components for water-cooled nu- clear power plants. Their use is acceptable within the 1332-6 3/9/72 Requirements for Steel Forgings, limitations stated in the "Inquiry" and "Reply" sections Section III and VIII, Division 2.

of each individual code case, such Regulatory or other 1334-2 1/14/72 Requirements tor Corrosion- requirements as may exist, and the additional limitations Resisting Steel Bars and Shapes.

recommended by the Regulatory. staff given with the Section 111 individual code cases in the list. The categorization of 1337.7 8/13/73 Requirements for Special Type Code Cases is intended to facilitate the Code Case listing 403 Modified Forgings or Bars, and is not intended to indicate a limitation on its usag

e. Section III

1395-3 11/6/72 SA-508, Class 2 Forgings with I

a. Materials-Oriented Code Cases with Title and Date Modified Manganese Content, of Council Approval: Section III or Section VIII, Divi-

(1) Code Cases involving plate: sion 2

1498-1 11/6/72 SA-508--Class 2, Minimum Tem-

1141-1 8/31/61 Foreign Produced Steel pering Temperature,Section III

1401-1 3/9172 Welding Repairs to Cladding of 1542 Not dtd Requirements for Type 403 Section III Components After Modified Forgings or Bars for Final Post-Weld Heat Treatment Bolting Material,Section III

1492 10/29/71 Post-Weld Heat Treatment Sec- 1587- 8/13/73 SA-508--Class 3 Forgings with tions 1,111, and ViII, Division I 0.4/i.0 Ni for Section III and and 2 VIII, Division 2 Construction

1493-1 8/14/72 Post-Weld Heat Treatment, Sec. 1605 11/5/73 Cr-Ni-Mo-V Bolting Material for tion III Section 1II, Class 1 Components

1571 3/3/73 Additional. Material for SA-234 Carbon Steel Fittings, Section (4) Code Cases involving general usage:

Ill

1344-3 12/18/72 Requirements for Nickel-

2

• A numerical listing of the Code Cases appears in the Appendixc. Chromium, Age-Hardenable Alloys,Section III

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1345-2 3/9/72 Requirements for Nickel. (2) Code Cases involving bars and forgings:

Molybdenum-Chromium-Iron Alloys,Section III 1515 3/9172 Ultrasonic Examination of Ring

1434-1 3/9/72 Post-Weld Heat Treatment of Forgings for Shell Sections, Sec- SA-487 Class 8N Steel Castings, tion III, Class I VesselsSection III, Classes I and 2

1521 5/1/72 Use of H-Grades of SA-240, .2. Code Cases that are annulled by action of the ASME

SA-479, SA-336, and SA-358, Council should be considered as deleted from the Section III approved list as of the date of the ASME Council action.

This Code Case is acceptable subject to the

0. IMPLEMENTATION

conditions established in Regulatory Guides 1.31,

"Control of Stainless Steel Welding," and 1.44, The following guidance is provided for the implemen-

"Control of the Use ot'Sensitized Stainless Steel." tation of Section III ASME Code Cases involving materials and testing.

1531 8/14/72 Electrical Penetrations, Special Alloys For Electrical Penetration 1. The effective date of this guide is July 1, 1974.

Seals, Section 111

1532 8/14/72 Section IIl, Class 3 Components 2. This listing of Code Cases is applicable after the Made of 8 Percent and 9 Percent effective date of this guide unless a particular Code Case Nickel Steel has been annulled by action of the ASME Council.

1557-2 12/17/73 Steel Products Refined by Secondary Melting 3. Components ordered to a specific version of a Code

1567 3/3/73 Testing Lots of Carbon and Low Case before the effective date of this guide need not be Alloy Steel Covered Electrodes, changed because a subsequent revision to the Code Case Section III is listed as the approved version in this guide.

1568 -3/3/73 Testing Lots of Flux Cored mnd 4. Code Cases on the approved list may be applied to Fabricated Carbon and Low components that were in process of construction prior Alloy Steel Welding Electrodes. to the effective date of this guide within the limits Section Ill specified in the Code Case and applicable regulations or

1583 6/25/73 Use of 80-40 Carbon Steel Cast- recommended in other regulatory guides.

ings

1590 8/13/73 Chemical Analysis Variaitiks. 5. Code Cases for Class I components which are not on Section III Construction the approved list of this guide or other regulatory guides, or for which authorization by the Commission has not b. Testing-Oriented Code Cases wi'!i Title and Date been granted, are not acceptable on a generic basis for of Council Approval: Class I components. Special autho'ization may be (I) Code Cases involving plates: granted for individual cases upon special request to the Commission.

1407-2 6/26/72 Time of Examination for Classes

1, 2. and 3 Section Ill Vessels 6. Code Cases for other Classes of components which

1456-2 6/25/73 Substitution of Ultrasonic Ex- are not on the approved list of this guide or other amination for Progressive Pene. regulatory guides, or for which authorization by the trant or Magnetic Particle Commission has not been granted, should not be Examinations of Partial Penetra- considered acceptable on a generic basis. Special authori- tion and Oblique Nozzle Attach- zation may be granted for individual cases upon special ment Welds,Section III request to the Commission.

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APPENDIX

Numerical Listing of Code Cases

1141-1 1515

1332-6 1521

1334-2 1527

1337-7 1529

1344-3 1531

1345-? 1532

1395-3 1542

1401-1 1557-2

1407-2 1567

1423-2 1568

1434-1 1571

1456-2 1578

1474-1 1583

1484 1587

1492 1590

1493-1 1599

1498-1 1605

0

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