ML20039E439

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Forwards Evaluation of SEP Topic III-7.D, Containment Structural Integrity Test. Test Procedure Use Adequate. Test Results Provide Basis to Assure Containment Structure Will Perform Intended Functions
ML20039E439
Person / Time
Site: Big Rock Point File:Consumers Energy icon.png
Issue date: 12/29/1981
From: Vincent R
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: Crutchfield D
Office of Nuclear Reactor Regulation
References
TASK-03-07.D, TASK-3-7.D, TASK-RR NUDOCS 8201070292
Download: ML20039E439 (31)
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{{#Wiki_filter:,. e D Consumers Power Company oeneral offices: 212 West Michtgen Avenue, Jackson, MI 40201 * (617) 788-0660 December 29, 1981 A b RECEIVED Dennis M Crutchfield, Chief [ f JOII O I932 k iS Operating Reactors Branch No 5 Nuclear Reactor Regulation k # 03 tC'Jor ew::: f5' " " y T,43 [ US Nuclear Regulatory Comunission \\ Washington, DC 20555 N) ^' &s DOCKET 50-155 - LICENSE DPR BIG ROCK POINT PLANT - SEP TOPIC III-7.D, CONTAINMENT STRUCTURAL INTEGRITY TEST Attached is the Consumers Power Company evaluation of SEP Topic III-7.D (Containment Structural Integrity Test) for the Big Rock Point Plant. QT C Robert A Vincent Staff Licensing Engineer CC Administrator, Region III, USNRC NRC Resident Inspector-Big Rock Point Attachment o39\\ L oc1281-0030bl42 8201070292 811229~' DR ADOCK 05000155 PDR

^ o _SEP DRAFT SAFETY TOPIC EVALUATION BIG ROCK POINT NUCLEAR PCWER STATION ' Topic III-7.D " Containment Structural Integrity Tests" INTRODUCTION In order to assure that a containment structure vill respond satisfactorily to the postulated de ign pressure loads, a program of measurements, namely, the Containment Structural Integrity Test Program, is required to demonstrate the correlation with theoretically predicted responses and to provide the ade-quacy of the structure with respect to the quality of construction and mate-rial. The scope of this safety topic evaluation is to review the adequacy of the structural intecrity testing procedure used by the licensee and, using current review criteria as a besis, to evaluate the measurements taken during the test. , CURRENT REVIEW CRITERIA The current review criteria for this specific safety topic are: 1. Standard Review Plan, Ssetion 3.8.2 2. Regulatory Guide 1.57 3. AEME Sciler and Pressure Vessel Code, Section III, Division 1, Article NE 6000, 1960 Edition RELATED EArETY TOPICS AND INTERFACES The containment strucsural integrity test of Big Rock Point nuclear power sta-tion was performed based on the original calculated design pressure of 27 psig. The adequacy of this original design pressure vill be reviewed within the scope of SEP Safety Topic VI-3, " Containment Pressure and Heat Removal Capability." Thus, the validity of this safety evaluation is contingent upon the conclusions drawn in the review of Topic VI-3. EVALUATION DESCRIPTION OF STRUCTURE The containment structure is a spherical steel vessel, 130 feet in diameter. The sphere extends 27 feet below grade and 103 feet above grede. The nominal . thickness of tne shell is 3/4 inch. The vessel was designed and constructed in accordance with the ASME Boiler and Pressure Vessel Code, Sections II, VIII and IX, as modified by Code Cases 1270N, 1271N and 1272N. The specifications for design, furnishing, erection and testing of the containment vessel can be found in Reference 1.

2. The shell was constructed of SA-201 Grade B, firebox steel produced to SA-300 specification (ultimate tensile strength = S = 60 ksi, yield strength = Sy = u 32 ksi, design stre:s intensity value = S, = 20.0 ksi). The.Charpy impact rating' of the parent metal was approximately 15 foot-pounds at -50oF. TEST PROCEDURE AND ASSESS >D T OF RESULTS The containment vessel and appurtenances ~ vere subjected to a pneumatic over-load test of 33 75 psig (125 percent of the' design pressure of 27 psig) in January 1961. The test pressure was attained by increments in agreement with current (ASME - BPV 1980) criteria. At the maximum test pressure level (33.75 psig), the pressure was maintained for c.pproximately one (1) hour. Examination of leakage was subsequently conducted at design pressure. From the CB&I stress report (Ref 2), it can be determined that at test pres-sure, the calculated stress intensities of the vessel and appurtenances were vell below the current criteria (ASF'E B&PV -1980). DEVIATIONS FROM CURRENT REVIEW CRITERIA AND ASSESSMENT The test procedure and field log (Ref 1 and 3) were compared with the current criteria per Article NE-6000 of Subsection NE of the ASME B&PV Code, Section III, Division 1. The following deviations have been identified. 1. The pressure gages used (2 indicating gages and 1 recording gage) were not calibrated. The recording gage seemed to have overestimated by approximately 2 psig'at thelow range. Extrapolating this to the test range, the actual test pressure vould be roughly 31.75 psig still exceeding the 29.7 psig (110 percent of design pressure) required by current criteria. 2. The inner door pressure equalizing valves on both the personnel and equip-ment lock were not operating properly during the test. The. test was per-formed with these fully open. This, however, does not invalidate the test. CONCLUSION Based on the review and the evaluation stated above, we conclude that the test procedure used is adequate and the test results provide a basis to assure that the containment structure vill safely perform its intended functions and will withstand the design pressure load of 27 psig. REFERENCES

1. - Letter from D P Hoffman -(CP Co) to Director, Nuclear Reactor Regulation (USNRC) dated August 8, 1980. Subject : " Big Rock Point Plant - Response

~ to Request for Additional Information Systematic Evaluation Program Struc ' tural Topics." " Structural Design of the 130'$ Spherical Containment Vessel for the Big 2. Rock' Point Nuclear Power Plant," Chicago Bridge & Iron Co, Rev 1A, June 6,. 1961. 3 " Initial Pneumatic Test and Leakage Rate Determination of 130'$ Containment -Vessel," Chicago Bridge & Iron Co Report, March 1961. a-- =

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s, o _; j ' y,3 .s b b .~ s SPECIFICA.!ON FOR CARDON-SII. ICON STEET. PLATES OF - " cINTERhfEDIATE TENSILE RANGES FOR FUSION. WELDED ,. BOILERS AND OTHER PRESSURE VESSELS A g ,A % ~ 2 SA 201 _e \\y (IDcMTIcAL FIT!! AST.I SPr.!FICATIoM A 2cl 64) ' (({ n: ...y r 'sc. _ e TABLE 1.-CIIEMICAL be accepted on the basis of mill tests ~ smpe s ~ ncotnitEMENTU.* made on specimens heat treated in ae. - - 1. This spec 26 cath covers Arbon s sikon steel @tes, iGro iritermediate " ". l crede A CndeB teasile strength ~ ranges Mr.iMaled grades TABLEIL-TENb1LE REQUIRFY '. A and B, intended partic'thrlf fer fusior'- (M,*g,'M'..'.'nd under m c,. J. A c-sA a Meht, g; ter_ use. m luceptrrr bcurr2 ' m onevnes. o.2o o.24 -shells, boiless'for A. hic 5df servke and m er pieto am I w 2 in, r a2a A27 Tensue trenrth, psi. E u,o t.. ' w can w thickness ci flar.p quality pla;es it, b 'y2,"*p'd".,*h*l,' Min, other pressure resels. The maximum et, 000 72 no ~ M, Qj,8 ';'h,Pj;, 30 000 .2 coa .anei. in trackness.... o.27 0.30 F';',,3%', au id'neY s u." 5"ia P" ""U 'spenfied under this 3pedfication-ahr.li tie -, o.st o.2 2 m.; of fireba c.iahty plates of grsde A 1., p!.-tes o.er a to 12 in.. Flanre 24 , 22* i mm-mmo .a shall be !? i:n;'a't.d of grade Ilihall Le-,. met. in thickne a. o.3s gi$'j* o";"s",,3"E-23= 22 S mj WeMing icrhriique ia ' f I indamental-s',"g'g,' 'm"3,Q,",*g( o.3 - aso-o .importence ami'it,is presupposerPthat c r!.ngc. o.o4 0.04 g'g'"""""""" 2 2s are! ding p.oecdure will be m' accordance ir*ox. p 0 # 35 0 033 p with appsved incthods. , 'Ji.s ~ ab "a'i; ""'..#*' **"... f. ri o.os 0.05 a se section 6(e) er:d (d). b 0.04 0.04 ' S" 5tio" 6(')- ^ S - nehox. G en.eral Conditions for Delivery g%, per c.,,s.

2. Mitcjal furnished under this speci-I""' """*"i' "

0 !3 " 'f$o'* cordanen with the parchascr's order re-6o fication shMI conform to the applicable Check analysis. o.13 to 0.13 to quirements. If the heat treatment tem-y Y requirerpentsof thecurrent edition of the o.33 0.33 pcratures are not indicated on the pur-QSpecificabon for General Requirements , wh.:n steet pw. are turnished under this chase order, the plate tranufacturer chall 9 - i r Delivery of Rolled Stcel Plates of .peciscation w m et the tinp:.ct test r: quire-heat treat the specimens under condi-FlangeMnd Firc. box Qualities (ASTM ment. of the Fpwheation for tit 4et 1Istes for tions he Considers appropriate for grain [ Dedgn4tiont A 20). ,'['*y. i ,'[" ,, "$"n refinement,and to meet the test require- ' C m.o nieni aal te n.% 1.20 er cent, ments. The plate manufacturer shall ~ p t Thr steel. hall be made by a when enecinM. c,e m nimum incidental inform the fabricator of the procedure , one at Itrmie of the following-e when apusca; the sicci shall te coarse mill f copper content than tm om per cent. followed in treatmg the specimens at the (a te s s 4 ' ' g n ar ele furn [ [;'*e",Y: 'i. n aI.Il$r"Nh ( The Purchaser shall indicate in his ci ' lIeat Treatment d'r llril"I II IV'"d'i"2 8 3. Mdf' d'#i" orders to the plate manufacturer whether 1 sin..r strial. cni ih-i.naam:1: stD.an.1 the rolhng md1 or the fabricator snall 3

4. (a) Plates over 2 in. in thhkness in : lair sv. in Nhuri n u at ino le for si r.

perform the treatment of the plates. 3 1 shall be, treated to, produc. gr. tin" re-(d) When the plates arc to be normal-fi't. entent either by normabt ag et heatmg iregtment if the plates is not specified to ized at the plate manufacturer's plant. uniform'f for hot fornun;;.lf the re-be done at the plate ma'nufacturer's the mechanical properties shall be deter-quired trutment is to licybiained in pla;nt, the testing sL.ill be carried out in mined on specimens simultaneously j conjunction +th the bi formirig opfra'- acconlance with Parfpaph (h). treaied with the plates. .. tion, the temgrature to thkh the plotes (6) When a fabricator is equipped and w>y are heateil for hot foryirig shall be equiv-chits to perform the raquired norraaliz-Chemical Composition .alent tryte.l t.Inll nowaggificantly excud ing or fabrica'es by ha: forming as pro-

5. The stect shall conform to the re-

' < ) s the mitmelieing ' tempeutere..If the vided in Paragraph (a), the plates shall quhements as'to chemical composition -g\\>e f 3 7 N y. 6, j' w : s' ,g %_p

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f e e SA-201 /. SECTION 11 11ATElll AI, SPECIFICATIONS prescribed ik TaWI. (d) For material over { in. in thick. (b) For plates over 2 in. in thickness ness, a deduction from the percentage of the test specimens shall be prepared from - Tensile %rbs clongation in 8 in. speci6cd in Table II the material in its heat. treated condition,

6. (a) The material as represented by of 0.5 per cent shall be made for each or from full thickness samples similarly the tension test specimens shall conform increase of 1 in. of the specified thickness and simultaneously treated (see Sec-to the requirements as to tensile proper-above j in. This deduction shall not tion 4).

l ties prescribed in Table II. exceed 3 per cent. (c) When so specified in the purchase (b) Tensile strength only need be de-(e) For material ever 31 in. in thick-order with the mill, est specimens repre-termined on the tension test specimen ness, a deduction from th-percentage of senting the plates shall be stressJrelieved taken from t!.e top of Erebox plates, and elongation in 2 in. specided in Table II by gradually and uniformly heating them TABLE III.-BEND DIAMETER. of 0.5 per cent shall be made for each to a. temperature between 1100 and increase of } in.of the specined thickness 1200 F (or a temperature range other-nM,,*8lg8 above 3) in. This deduction shall not wise agreed upon between the manufac-a.

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exceed 3 per cent. turer and the fabricator), holding at L nia .e x.teri i. ta. temperatuie for at least I hr per inch of cr.a. A c,.6. a Bending Properties thickness end cooling in still atmosphere l

7. The bend test specimen shall stand to a temperature not exceeding'600 F

{ 1 and under.......... M t over a to tM. incl... t tM being bent cold through 180 deg w,thout i $*e 'b.'.". '. '. !M cracking on the outside of the bent por-Number of Tests . in Over 4 to 6 inc!.,... '2M 3 tion to an ms'de diameter which shall

9. Two tension tests, one bend test Over 6 to 9, incl....

7 3M have the relation to the thickness of the and one homogeneity test shall be made i. Over 9 to 12, incl......... 3d specimen Prescribd in Table III. M' hen from each firebox steel prate as rolled. I One tension test and one bend test it shall not exceed 67,000 psi for grade A' es e olid r be made imm each flange steel plate as nor 74,000 psi for grade B. (c) For material under y,r.m. m thick ca the outer curve of the bend. rolled. 1 . ness, deduction from the percentage of Test Specimens l elongation in S in. speci6ed in Table II of

8. (a) For plates 2 in, and under in Nors.-The term " plate as rolled" used here 1.25 per cent shall be made for each de-thickness the test specimens shall be pre-refers to the unit phte rened from a slab or di-creasc of it n. of the specified thickness pared for testing from the materialin its rectly from an ingot in its rehtien to the location !

i below fr in. rolled condition. and number of specimens; not to its condition. I i 1 s l i 5 / 4 3 I i 1 r ~ y s v i 74 I 1 { k ,I

U M BW 4er 1 / W SPECIFICATION FOR STEEL PLATES FOR PRESSURE VESSELS FOR SERVICE AT LOW TEMPERATURFS SA.300 (IDENTICAL WITH ASTM sPECIFICAT!oN A 300 637) Scope shtil furnish the details of heat treat-(b) Each impact test value shall con-

1. This speci6 cation covers steel plates ment of the test pieces to the fabricator stitute the average value of three speci.

for use in welded pessure vessels that for guidance in heat treating the plates. mens taken from each plate as rolled are to operate at low temperatures. TABLE L-STEEL PLATES FOR USE AT (Note 3) with not more than one value The classes of olates covered by this LOW TEMPERATURES. speci6 cation shaft conform to all re-below the speci6ed minimum value of 15 m Te.stT=g= sy, it-lb, but in no case below 10 ft-lb. quirements of the ASTM speci6 cations cis= g,d. for the particular grade referred to in ^ Nort 3.-The term " plate as rolled" used Table I in addition to the requirements F 3. A not)A 212 Sange - 50 of this specification (See Note 2 in Sec-Warebox quahty bere and in Section 4(6), refers to the unit plate from a slab or roned directly from an ingot in tion 2). It is desired that the steel sup. 2. A 203, stades A and 45 its relation to the location and number of plied under this specification be made to 3.. A2 g es and - 150 specimens; not to its condition. If the plate is 6ne grain melting practice. E. nrebox quality aheared or o,thuwise cut into smaUn s,zes rolhag, the impact test made from the org,af i 4. A 353. Erebos quahty - 320 ina! Nort 1.-It should be recognized dat 5. A 410, arebor quality - 150 plate shall govern. fabricating processes, such as forming and welding, may rSect the impact properties of

  • These designations refer to the latest issue steel so that the impact propedes of the plate uow ng einca of the Amnican (c) If the value for more than one in a fabricated pressure vessel may difer from A 201, Speci6 cation for Carbon.Si! icon Steel specimen is below 15 ft !b, or if the the impact properties of th.: plate as tested.

Plates of Intermediate Tensile hanses for value for one specimen is below 10 ft-lb, l Fusion. Welded Boilers and Other Pressure Heat Treatment (Note 2) a retest of three additional s,. cimens A22 ci6 cation for High Teune Strength shall be made, each of which must equal

2. (a) Plates shall be furnished in the Carbon-Saicon Steel Plates for Boilers and or exceed the specified minimum valu t 9f heat-treated condition unless otherwise 3 y*hj',,Pgu Sted Plates for 15 ft-!b. Such a retest shall be permitted a n specified on the order.

Boilers and Other Pressure Vessels, only when the average value of the three (b) Plates shall be uniform 1 heat A."53, Speci6 cation for Low-Carbon, High. specimens equals or exceeds 10 ft-lb. If 3 treated. Heat treatment shall consist of 3 u($1Sg,Pjatei,o oh >er the required values are not obtained upon Pr uure " ' t ,o, m l, normalizir.g. Nickel. Aluminum Alloy Steel Plates for rctest or if the values on the initial test (c) When a fabricator, who is equipped Preuure Vmula. are below the minimum required for i to perform properly the work, elects to do Norz 2.-This section supersedes the heat retest, the plate may be reheat treated. the required heat treatment, he shall so d" "g',,',I*"[ 'h* y' *f "**"i"I After reheat treatment, a set of three y g,. mdicate m h,s orders to the mill, and be specimens shall be made, each of which t shall accept the plates on the basis of Impact Properties must equal or exceed the speci6ed mini. mill tests. In this case the plate manu-mum value of 15 ft-lb. facturer shall make the tests prescribed

3. (a) The notched bar impact prop-in this specification, the test specimens erties of the material, desenbed in Para-(d) For plate which is not of suf5cient to be heat treated under conditions graph (b), shall not be less than 15 ft-Ib thickness to permit the preparation of agreed upon to meet the test require-when tested at the spec 6ed temperature, full size impact specimens, tes ments. Samples for heat treatment shall Unless otherwise agreed upon, tests wt!! made on the largest of the subsize speci.

mens listed in Table II which can be consist of the full thickness of the plate be conducted at a temperature at least prepared from the plate. The impact with the two other dimensions at least as low as the mmunum temperature values obtained on subsize specimens l three times the thickness, but in no case listed in Table I for the respective sha;l not be less than the values listed in less than 2 in. The plate manufacturer classes. Table IL 168 l y,

STEEL PLATES FOR LOW TEMPERATUJIES SA-300 ness greater than i in the specimen shall Method of Impact Testing Impact Test Specimens be taken from a location as near as

5. (a) The istpact test shall be made
4. (1) The impact test specimen shall practicabk to a point midway between in acc rdance with the simple beam, be j'f the Charpy type, keyhole (or rmlled the plate surface and the center of Charpy type of test described in Se "U ) notch, and shall conform m all thickness.

13 of SIcthods A 370. (b) The locatica of impact spec' men. (b) The follow, g precautions should m in which th. fong dimension is paolet be observed during testing. The test TN'f LE IL-CHARPY ntPACT REQUIRE. to the final direction of rolling shall be MENTS FOR SUBSIZE SPECDIENS. piece. as well as the handling tongs, shall adjacent to th'e bottom tension test be cooled for the sufficie.t length of time UNtI.'a ;1N"d'";. piece. Impact specimens whose long to reach the test temperature. The test !@*h^,',,mitted on one dimension is transverse to the final di. temperature shall be maintained within slaa et spuhnen. sma 5iNF D*' rection of rolling shall be taken from the 8 fange f 3 F. The specimen shall be top of the plate as rolled (Note, Section quickly transferred from the cooling de-to by 7.s... 12.s s.s 3(b)) midway between the center and vice t the anvil of the testing machine to by s..... 10.0 7. the ed e and broken within a time lapse of not (c) Unless otherwise specifico, impact more than 5 sec. tests will be made on specimens whose long dimension is parallel to the final direction of rolling. respects with the specimens of types B 8 tnd C shown in Fig.11 of the Slethods (d) When the heat treatment specifed cad Definitions for the Alechanical Test. in Section 2(b) is performed by the plate

6. (a)In addition to the requirements ing cf Steel Products (AST31 Designa. manufacturer, tes; specimens shall be for marking covered by the AST3 ti:n: A 370). The long dimension of the heat treated with the parent plate. If the fication for the particular grade of plate referred to in Table I, the letters "LT" specimen shall be parallel to the final purchase order bears the notation " stressshall be stamped on each plate following direction of rolling (longitudinal test), or relieve specimens," the test pieces shall transverse to the final direction of rolling receive a subsequent stress relieving the dass number, grade, etc.

(transverse test), or specimens msy be treatment at 1100 to 1200 F, prior to (b) If the impact test is conducted at taken in both directions (lengitudinal preparation of the impact specimens, ex. temperatures other than those shown in rnd transverse tests). The base of the cept for class 4 which shall be stress re-Table I, the letters "LT" shall be fol-notch shall be perpendicular (normal) to lieved at a temperature of 1025 to 1085 lowed by the test temperature (example: the plate surface. On material of thick-F. LT 125, LT 200). l l 1 l i 1 1 i [ l 169 l y --.7-

e E BPV %W m i%r Tabla N-421 SECTION 111 NUCLEAll VE5SELS

0. ASS A T ABLE H-421 DE5tGN STRES5 INTEN51TY VALUES,5,,,, FOR CARBON AND ALLOY STEEL 5 EXCLUDING SOLTING MATERIAL 5pec Grod.

Nominal ' 5pec Min Spec Min Number OrType Composition Tensile Yield Neses 100 200 300 PLATE STEEL Corbon Steel S9 A C Si 55,000 30,000 18,300 18,300 17,700 A-201 B C-Si 60,000 32,000 20,000 19,500 18,900 -452 55 0-Si 55,000 30,000 18,300 18,300 17,700 SA-442 60 C-Si 60,000 32,000

  • 0,000 19,500 18,900 SA-212 A

C-Si 65,000 35,000 21,700 21,300 20,700 SA-212 B C-Si 70,000 38,000 23,300 23,100 22,500 Low-Alloy Steel SA-204 A C-1/2 Mo 65,000 37,000 21,700 21,700 21,700 SA-204 B C-1/2 Mo 70,000 40,000 23,300 23.300 23,300 SA 204 C C 1/2Mo 75,000 43,000 25,000 25,000 25,000 SA-302 A Mo-1/2 Mo 75,000 45,000 25,000 25,000 25,000 SA-302 B Mn-1/2 Mo 80,000 50,000 26,700 26,700 26.700 s C.1/2 Mo 60,000 30,000 '20,000 1,8,200 17,300 SA 357 SA-387 A 1/2 Cr-1/2 Mo 65,000 40,000 21,700 21,700 1.,700 SA-387 B 1 Cr-1/2 Mo 60,000 35,000 20,000 20,000 20,000 SA-387 C I 1/4 Cr-1/2 Mo-Si 60,000 35,000 20,000 20,000 20,000 SA-387 D 2-1/4 Cr-l Mo 60,000 30,000 20,000 18,700 18,000 SA-387 E 3 Cr-1 Mo 60,000 30,000 20,000 18,700 18,000 SA-240 405 12 Cr-Al 60,000 25,000 16,700 15,900 15,400 SA-240 4105 13 Cr 60,000 30,000 20,000 19,100 18,400 High. Alloy Steel SA-240 304 18 Cr-8 Ni 75,000 30,000 (1) 20,000 20,000 1 9 S 10 SA-240 304L 18 Cr-8 Ni 70,000 25,000 (1) 16,700 16,700 15,500 SA.240 316 18 Cr-10 Ni-2 Mo 75,000 30,000 (1) 20,000 20,000 20,000 SA-240 316L 18 Cr-10 Ni-2 Ma 70,000 25,000 (1) 16,700 16,700 16,700 SA-240 321 18 Cr-10 Ni Ti 75,000 30,000 (1) 20,000 20,000

  • 0,000 SA-240 347 18 Cr-10 Ni Cb 75,000 30,000 (1) 20,000 20,000 1,000 SA-240 348 18 Cr-10 Ni-Cb 75,000 30,000 (1) 20,000 20,000

. J,000 PIPES & TUBE 5 Seemiess Carbon Steel SA 106 A 48,000 30,000 16,000 16,000 16,000 SA-106 B 60,000 35,000 10,000 20,000 20,000 t l SA 106 C 70,000 40,000 23,300 23,300 23,300 S A-210 60,000 37,000 20,000 20,000 20,000 Seemless Low Alloy l SA-213 T2 1/2 Cr-1/2 Mo 60,000 30,000 20,000 18,900 18,100 5A-213 T5 5 Cr-1/2 Mo 60,000 30,000 20,000 18,200 17,300 l l S A-213 T7 7 Cr 1/2 Mo 60,000 30,000 20,000 18,200 17,300 ( S A-213 T9 9 Cr-1 Mo 60,000 30,000 20,000 18,200 17,300 l S A-213 Til 1 1/4 Cr-1/2 Mo-Si 60,000 30,000 20,000 18,700 18,000 SA 213 T12 I Cr 1/2 Mo 60,000 30,000 20,000 18,700 18,000 S A-213 T21 3 Cr-0.9 Mo 60,000 30,000 20,000 16,700 18,000 SA 213 T22 2-1/4 Cr-1 Mo 60,000 30,000 20,000 18,700 18,000 SA-m PI .C-1/2 Mo 5,,Uuv 30,000 18,300 18,300 18,100 SA-335 P2 1/2 Cr-1/2 Mo M,09ti 30,000 18,300 18,300 18,100 SA-335 P5 5 Cr-1/2 Mo 0,000 30,000 20,000 18,200 17,300 SA-335 Pil 1 1/4 Cr-1/2 Mo-Si 60,000 30,000 20,000 18,700 18,000 SA-335 P12 I Cr-1/2 Mo 60,000 30,000 20,000 18,700 18,000 SA-335 P7 7 Cr-1/2 Mo 60,000 30,000 20,000 18,200 17,300 l SA 335 P9 9 Cr-1 Mo 60,000 30,000 20,000 18,200 17,300 SA-335 P21 3 Cr-0.9 Mo 60,0')0 30,000 20,000 18,700 18,000 i SA 335 P22 2-1/4 Cr-l Mo 60,000 30,000 20,000 18,700 18,000 l u I J

K e ARTICLE 4 DESIGN Table N-421 TABLE N.421 DESIGN STRESS INTENSITY VALUES, S., FOR CARBON AND ALLOY STEELS EXCLUDING BOLTING MATERIAL For metal temperature not exceeding

  • F 400 500 600 650 700 750 800 850 900 950 1000 17.100 16,200 14,800 14,500 14,400 9 18,300 17,300 15,800 15,500 15,400 17,200 16.200 14,800 14,500 14,400 18.300 17,300 11800 15,500 15,400 20,000 18,900 17,300 17,000 16,800 21,700 20,500 18,700 18,400 18,300 21,700 21,300 20,700 20,400 20,000 23,300 23,000 22,400 22,100 21,700 25,000 24,800 24,100 23,800 23,300 25,000 25,000 25,000 24,900 24.400 26.700 26,700 26,700 26,700 26.700 16,500 15,900 15,200 15,000 14,700 21,700 21,700 21,700 21,700 21,700 20,000 20,000 19,500 18,900 18,300 20,000 20.000 19.500 18,900 18,300 17,500 17.200 16,700 16,200 15,600 17.500 17,200 h.700 16,200 15,600 14,900 14,500 14,000 13,900 13,700 13,600 13,400 17,800 17,400 16.800 16,600 16,400 16,300 16,100 17,600 16,400 15,600 15,300 15,100 14,900 14,800

'14,700 13,600 13,000 12,700 12,600 12,400 12,300 19,400 18,200 17.100 16,700 16,200 15,800 15,600 16,100 15,100 14,300 13,900 13,500 13,200 13,000 10,000 19,400 18,400 18,000 17,600 17,300 17,100 10.000 19,400 18,400 18,000 17,600 17.300 17.100 20,000 19,400 18,400 18,000 17,600 17,300 17,100 16,000 16,000 14,800 14,500 14,400 1 20,000 18,900 17,300 17.000 16,800 22,900 21,600 19,700 19,400 19,200 l 20,000 20,000 18,200 17,900 17,800 17,800 17,300 16,800 16,600 16,300 16,500 15,900 15,200 15,000 14,700 16,500 15.900 15,200 15,000 14,700 I 16,500 15.900 15,200 15,000 14.709 17,500

  • 17,200 16,700 16,200 15,600 17.500 17,200 16,700 16,200 15.600 17.500 17,200 16,700 16,200 15,600 17.500 17,200 16,700 16,200 15,600 t

g i 17,800 17,300 16.800 16,600 16,300 17,800 17,300 16,800 16,600 16,300 1 16,500 15.900 15,200 '15.000 14.700 17,500 17,200 16,700 16,200 15,600 17.500 17,200 16,700 16.200 15.600 16,500 15.900 15,200 15,000 14,700 16,500 15.900 15.200 15,000 14,700 37,500 17.200 16,700 16,200 15,600 37.500 17,200 16,700 16,200 15.600

I / o Table N-424 SECTION 111 NI'CLEAll VESSELS - CLASS A T ABLE N 424 VALUES OF YlELD STRENGTH, Y,5., FOR CARBON AND ALLOY STEELS s Spec Grade Spec Min Number Or Type Yield 100 200. 300 400 500 PLATESTEEL Carbon Steel A 30,000 30,000 27,350 26,600 25,700 24,250 SA-201 B 32,000 32,000 29.200 28,350 27,450 25.900 .A-442 55 30,000 30,000 27,350 26,600 25.700 24,250 SA-442 60 32,000 32,000 29,200 28,350 27,450 25,900 SA-212 A 35,000 35,000 31,900 31,000 30,000 28,300 S A-212 0 38,000 38,000 35,650 33,700 32,600 30,750 Low-Alley Steel SA 204 A 37,000 37,000 34,900 33,500 32,950 31,950 SA-204 0 40,000 40,000 37,750 36,200 35,600 34,550 SA-204 C 43,000 43,000 40,530 38,900 38,300 37,150 . SA-302 A 45,000 45,000 42,450 40,750 40,050 38,900 .4 SA-302 B 50,000 50,000 47,150 45,250 44,500 43,200 l SA-357 30,000 30,000 27,300 25,950 24,750 23,750 l I SA-387 A 40,000 40,000 37,750 36,200 35,600 34.550 SA-387 0 35,000 35,000 32,650 31,400 30,550 30,050 SA-387 C 35,000 35,000 32,650 31,400 30,550 30,050 SA 387 D 30,000 30,000 28,000 26,900 26,200 25,750 SA-387 E 30,000 30,000 28,000 26,900 26,200 25,750 SA-240 - 405 25,000 25,000 23,800 23,050 22,300 21,700 SA 240 4105 30,000 30,000 28,600 27,650 26,750 26.050 High-Alloy Steel SA 240 304 30,000 30,000 25,600 22,000 19,600 18,200 } SA-240 30ll 25,000 25,000 21,300 18,300 16,300 15,150 SA-240 316 30,000 30,000 25,800 23,400 21,600 20,100 SA-240 316L 25,000 25,000 21,500 19,500 18,000 16,750 SA-240 321 30,000 30,000 26.*200 24,500 23,100 21,600 SA-240 347 30,000 30,000 26,500 24,500 23,100 21,600 SA-240 348 30,000 30,000 26,500 24,500 23,100 21,600 PIPES & TUBES Seemiess Carbon Steel SA 106 A 30,000 30,000 27,350 26,600 25,700 24,250 S A-106 B 35,000 35,000 31,900 31,000 30,000 28,300 SA 106 C 40,000 40,000 36,500 35,450 34,300 32,350 SA 210 37,000 37,000 33,750 32,800 31,700 29,950 Seemless Low Alloy 4 SA 213 T2 30,000 30,000 28,300 27,150 26,700 25,900 SA-213 T5 30,000 30,000 27.300 25,950 24,750 23,750 SA 213 T7 30,000 30,000 27,300 25,950 24,750 23,750 S A-213 T9 30,000 30,000 27,300 25,950 24,750 23,750 SA 213 Tll 30,000 30,000 28,000 26,900 26,200 25,750 S A-213 TI2 30,000 30,000 28,000 26.900 26,200 25,750 i SA 213 T21 30,000 '30,000 28,000 26,900 26,200 25,750 SA 213 T22 30,000 30,000 28,000 26,900 26,200 25,750 SA-535 PI 30,000 30,000 28,300 27,150 26.700 25,900 SA-335 P2 30,000 30,000 28,300 27,150 26,700 25,900 SA 335 Ps 30,000 30,000 27.300 25,950 24,750 23,750 SA-335 Pil 30,000 30,000 28,000 26,900 26,200 25,750 SA 335 P12 30,000 30,000 28,000 26,900 26,200 25,750 ) SA-335 P7 30,000 30,000 27,300 25,950 24,750 23,750 SA 335 P9 30,000 30,000 27.300 25,950 24.750 23,750 SA 335 P21 30,000 30,000 28,000 26,900 26,200 25,750 SA 335 P22 30,000 30,000 28,000 26,900 26,200 25,750 34 b..

c a"y N ARTICLE 4 DESICN Table N-424 TABLE N.424 VALUE5 OF YlELD STRENGTH, Y,5., FOR CARBON AND ALLOY STEEL 5 For metal temperature not escaed.ng

  • F 600 650 700 750 800 850 900 950 1000 22,200 21,800 21,600 20,950 19,950 19,300 19,050 18,350 16,700 23,650 23,250 23,050 22,350 21,300 20,600 20,300 19,600 17,800 22,200 21,800 21,600 20,950 19,950 19,300 19,050 18,350 16,700 23,650 23,250 23,050 22,350 21,300 20,600 20,300 19,600 17,800 25,900 25,400 25,200 24.400 23,300 22,500 22,200 21,400 19,500 28,100 27,600 27,400 26,500 25,300 24.450 24,100 23,250 21,150 31,050 30,650 30,050 29,550 28,700 27,500 25,800 23,600 21.000 33,600 33,150 32,500 31,950 31,000 29,700 27,900 25,500 22,700 36,100 35,600 34,900 34,350 33,350 31,950 30,000 27,450 24,400 37,800 37,300 36,550 35,950 34,900 33.400 31,400 28,700 25,550 42,000 41,400 40,600 39,950 38,750 37,150 34,900 31,900 28,400 22,850 22,400 22,000 21,700 21.150 20,800 20,000 19,200 18,000 33,600 33,150 32,500 31,950 31,000 29,700 27,900 25,500 22,700 29,100 28,300 27,350 26,650 26,200 25,300 24,600 23,900 22.900 29,200 28,300 27,350 26,650 26,200 25,300 24,600 23,900 22,900 15,000 24,250 23,450 22,800 22,450 21,700 21.100 20,500 19,650 25,000 24,250 23,450 22,800 22,450 21,700 21.100 20,5,00 19,650 21,050 20,800 20,550 20,400 20,150 19,750 19,100 18,100 16,950 25,150 24,950 24,650 24,450 24,150 23,700 22,950 21,750 20,350 17,300 17,000 16,800 16,600 16,400 16,200 16,000 15,600 15,150 I4,400 14,150 14,000 13,800 13,650 13,500 13,300 13,000 12Ano 19,000 18,500 18,050 17,600 17,300 16,900 16,450 16,100 If, 30 15,800 15,400 15,000 14,650 14,400 14,000 13,700 13,400 13,030 20,500 20,000 19,550 19,200 19,050 18,550 18.050 17,900 17,600 20,500 20,000 19.550 19,200 19,050 18,550 18,050 17,900 17,600 20,500 20,000 19,550 19,200 19,050 18,550 18,050 17,900 17.600 22,200 21,800 21,600 20,950 19,950 19,300 19,050 18,350 16,700 25,900 25,400 25,200 24,400 23,300 22,500 22,200 21,400 19,500 29,600 29,050 28,800 27,900 26,600 25,750 25,400 24,500 22,300 27,350 26,900 26,650 25,800 24,600 23,800 23,500 22,650 20,600 25,200 24,850 24.350 23,950 23,250 22,250 20,900 19,150 17,000 22,850 22,400 22.000 21,700 21.150 20,800 20,000 19,200 18,000

[ 22,850 22,400 22,000 21,700 21,150 20,800 20,000 19,200 18,000 22,850 22,400 22,000 21,700 21.150 20,800 20,000 19,200 18,000 25,000 24,250 23.450 22,800 22,450 21,700 21.100 20,500 19,650 25,000 24,250 23,450 22,800 22,450 21,700 21.100 20,500 19,650 25,000 24,250 23,450 22,800 22,450 21,700 21,I00 20,500 19,650 25,000 24,250 23,450 22,800 22,450 21,700 21,100 20,500 19,650 25,200 24,850 24,350 23,950 23,250 22.250 20,900 19,150 17,000 25,200 24,850 24,350 23,950 23.250 22,250 20,900 19,150 17,000 22,850 22,400 22,000 21,700 21,150 20,800 20,000 19,200 18,000 25,000 24,250 23,450 22,800 22,450 21,700 21.100 20,500 19,650 25,000 24,250 23,450 22,800 22,450 21,700 21,100 20,500 19,650 22,850 22,400 22,000 21,700 21.150 20,800 20,000 19,200 18,000 22,850 22,400 22,000 21,700 21,150 20,800 20,000 19,200 18.000 25,000 24,250 23,450 22,800 22.450 21,700 21.100 20,500 19,650 25 000 ,24,250 23,450 22,800 22.450 21,700 21,100 20,500 19,650 1 35 I _}}

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