ML20112H471

Fracture Prevention of Containment Pressure Boundary (GDC 51)

ML20112H471
Person / Time
Site:	Millstone
Issue date:	10/30/1984
From:	Ahern M, Ely J, Hanschka R NORTHEAST UTILITIES
To:
Shared Package
ML20112H451	List: B11403, Forwards Fracture Prevention of Containment Pressure Boundary (GDC 51), in Response to Matls Engineering Branch SER Confirmatory Item 28.Results Verified Acceptability of Containment Pressure Boundary ML20112H471
References
NUDOCS 8501170156
Download: ML20112H471 (70)

Text

{{#Wiki_filter:r-s m. MILLSTONE UNIT NO. 3 FRACTURE PREVENTION OF THE CONTAINMENT PRESSURE BOUNDARY (GENERAL DESIGN CRITERION NO. 51) ( /[M PREPARED BY: 8M /# Mfchael'F. Ahern REVIENED BY: l'ebare/ N. (wd<[,II d I984 Richard E. Hanschka / 0.MM /e/3c/fr/ APPROVED BY: Ja F. E E

a I. l OBJECTIVE i The objective of this analysis is to establish the acceptability of Millstone Unit No. 3 with respect to General Design Criterion 51, " Fracture Prevention of Containment Pressure Boundary". BACKGROUND 4 Title 10 of the Code of Federal Regulations requires that the l Containment Pressure Boundary at Millstone Unit No. 3 "...be designed with sufficient margin to assure that under operating, i maintenance, testing, and postulated accident conditions: (1) its ferritic materials behave in a nonbrittle manner, and (2) the l probability of rapidly propagating fracture is minimized." This analysis will show that the requirements of General Design i Criterion 51 (above) are met at Millstone Unit No. 3. The analysis is performed in accordance with the Standard Review Plan, Section l 6.2.7, Revision 0. i LOWEST SERVICE TEMPERATURES From the Millstone Unit No. 3 Final Safety Analysis Report (FSAR) j (, environmental design conditions may be obtained. Section 3, Appendix 3B, Attachment 1, states that the weighted average temperature in containment (outside the crane wall) is 1000F with a range of 600F -1500F. Also the main steam valve building weighted average temperature is given as 1040F with a range of 500F - 1800F. i Taking the minimum values as a three standard deviation value and fitting a normal distribution between the minimum and the mean allows an estimate of the ninety percent confidence minimum values. These are 780F for containment outside the crane wall and 740F for " the main steam valve building. Due to steam generator fracture toughness concerns, pressurization of the secondary system will be accomplished by steaming. Thus, for the main steam piping, valves, fittings, and associated components, temperature will follow the saturation line. This means that pressurization will not occur below 2120F. Since the main feedwater system is not used initially during startup, the minimum temperature for pressurization is the main steam valve building minimum ambient temperature of 740F. l. s Page 1

r b ([ POTENTIALLY LIMITING LOCATIONS A revieE of the containment penetration summary (NUSCO Drawing 25212-22320) yielded the following list of potentially limiting locations. The locations have a thickness greater than 0.625" and are ferritic materials. THICKNESS PENETRATION (inches) MATERIAL DESIGNATI0M 1-4 Sleeve 1.25 SA537 Gr. B Main Steam _,7-;..-,4 mpip,...-. '"1.9'36 ' Carbon' Steel Main Steam Carbon Steel Main Steam 1-4 Flued Head 9.00 5-8 Sleeve 1.25 SA537 Gr. B Feedwater 5-8 Pipe 1.281 Carbon Steel Feedwater 5-8 Flued Head 8.00 Carbon Steel Feedwater 23. Flued Head 2.00 Carbon Steel Seal Water Return "24 -Sle eve. u.... 0.687 Carbon Steel Letdown L -2 4 - - - - -iFlued Head 3,00 Carbon Steel Letdown 47 - 50 Sleeve 0.750 Carbon Steel Blowdown 47 - 50 Flued Head 4.00 Carbon Steel Blowdown 74 - 76 Sleeve 0.687 Carbon Steel Main Steam to Auxiliary Feed-water Turbine 74 - 76 Flued Head 3.00 Carbon Steel MS to Aux. Feed-water Turbine Carbon Steel Personnel Lock 87 Carbon Steel Equipment Hatch 89 91 - 92 Sleeve 1.25 SA537 Gr. B RHS Pump Suction 91 - 92 Flued Head 6.00 Carbon Steel RHS Pump Suction 125 - 126 Sleeve 0.687 Carbon Steel Spare 125 - 126 Flued Head 3.00 Carbon Steel Spare (, Electrical - Maximum 0.937 SA333 Gr. 6 Electrics 1

d ALLOWABEE LOWEST SERVICE TEMPERATURES The following table summarizes the limiting locations, their nil ductility transition temperatures, and source (reference Appendix in parentheses), their thickness correction temperatures (per Summer 1977 Addenda to the ASME Code, Figure NC-2311(a)-1), and their allowable lowest service temperatures. TMINIMUM LIMITING TTHICKNESS SERVICE PENETRATION TYPE LOCATION TNDT CORRECTION ALLOWABLE Equipment 5 " Bolt -100F 580F 480F Hatch / Personnel Ring (A) Access Lock SA516,Gr70 Dro Wei ht Penetration 1%" -100F 300F 200F Sleeves Sleeves (B) SA537,GrB Drop Weight Electrical 0.937" -50F 300F 250F ( Penetrations r. Maximum (C) SA333,Gr6 NUREG-0577 90% Upper Bound Flued 8" Feed-00F 720F 720F Heads water (D) SA508 Dro Class 1 Wel ht Main Steam 1.936" 00F 300F 300F System Pipe Pipe (E) and Fittings SA155 Charpy Class 1 V-Notch KC-70 Feedwater System 1.281" 280F 300F 5801' Pipe and Fittings Pipe (F) SA106,GrB Charpy V-Notch L

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SUMMARY

In summary, the. allowable.Iowest service temperatures for the limiting materials are, in every case, less than the actual lowest service. temperatures.. CONCLUSION Since the actual service temperatures are greater than the allowable minimums, the requirements of General Design Criterion 51 are met in accordance with the Standard Review Plan, Section 6.2.7, Revision 0. ( 4 L

t ........a APPENDIX A O @. y EQUIPMENT HATCH / PERSONNEL ACCESS LOCK LIMITING CMTR ( S e L

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y ..... r e.. .......e.,... .e _..e...s AF') E REES REPORTE KOT Fit 1 s'n AT 1R'a'Iti_111EL AS ALLOWED PER PAM 'i) 3*M ar.d,fi&_1313 IN CASE OF FARTS. HATCH COVER _ hat 18" BREECH LOCK Ot!CK-OPEN DOCR. DEVICE PER NE 3327 NOT INCLUDED FOR BREECH LCCK te eettify theethe sessemesis made in thie eeport are correct on.! this vgsslofetbo.1e ;$reeriesde. defined in the Code con. I or aI s.xcep. ta%i D& forms se she rules of eenstruesson of the A$stE Code 5ession Ill. (The arpliesbie Desipn Specifiention and Stress Repers are ant th tesponsibilies cf the pen trasuroesurer. An orputtenance star.ufsstiirer is responsitte for furnishing a separate Design Speeifiestion and Saress Report if the appurtenance is not sneludes in the eomponent De sign Specification and Steens Repset.) WOOLLEY P.O. 1576 WIN 5.0. 23531 N N,.k 7 ~2 I - 19 75 $laned.JRjdN STEEL FABRICATORS n, Dave --v cas... ,, e, (g JM M' ID Certificeie of Aine.isativf L.N*III2 Certificase of Avihesissilon Espiees Celt'llfl(:ATION OF DEdlGN FOR APPtr. TEN WCE ( hes apllicable) N/A Design informeilon on file e. N/A Sness anal sis eeperi en f.le as 3 Design specificanians certified by N/A Penf. Eng. 5teve. R e g. N o. Stress onet,sie eepoes eersified by Eli Pref. Eng. 5e ss e fees.Nc. CERT 1flC LTE Or SHOP IMPEC110%

l. the undersigned. hold ng a salid ecomission issued by the National Desed of P,iler and Pressure Vesull spectors and'or the $este ce Passie.ee el O'f!O

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12. Seams: Long H.T.'

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%ELT NO. C Mw P 5 Cu_ __ 5e N Ce Mo V it At 8 1713 21s 1.00 010 028 23 THIS MATFJ IAL IS IDT.itTICLL A!!D 7,3 COMTLIES vi [TH Awg SI ECIFI CATION THIS MATERIAL 6/~ " - bh REL EASED F00 PRO JUCT, ON ,_u,;r /rv hW N STEEL FA1RICAi0itS IJATE p.3,

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N/R TH8 thru 5HB i N/R ~b l N/R I N/R 1H25 thru BH25 k IH26 thru 45-26 l N/R ' N/F ~ H2O (3 Pes) N/R N/F l H30 (3 Pes) N/R N/R I H31 (2 R /H.2 L/H1 N/R N/P l H32 (2R /H.2 L/H) l N/R N/R ? *3 3 (2R /H.2 L/H1 N/R N/R H34 (2R /H.2 L/H1 N/R N/R EMIIAl NO. 0 ( > d 91 H35 (2R /H.2 L/H1 N/R N/R H36 (2R/H.2 L/H1 N/R N/R H37 (2R/H.2 L/H1 ,N/R N/R H38 (2R /H.2 L/H) N/R N/ P1 IH100 thru 16H100 N/R N/R 1H101 thru 4H101 lN/R N/R / ( H104 (4 Pest N/R N/R HIOS (4 Pes) i N/R N/R Hl06 (2R/H.2 L. Hi l N 'R N/R

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t. % T E R A L ITEM NOS.

HE AT..NO S._ __._ SLAB NOS. CERT. Ecuie=ent Hatch Plates 802S78170 T-23899-1 19859 a n u

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'f1H-52 N ~ ' ~ ( .w 6-52NH) '4E-52 LH T1H-53 RH1

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• IH-55 Thru 4H-55 NA NA 18166
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• IH-57 Thru 4H-57 NA NA
• 1H-58 Thru 8H-58 NA NA
• 1H-59 Thru 12H-59 NA NA
• 1H-60 Thru 16H-60 NA NA

[ ( '1H-61 Thru BH-61 NA NA DMElHMN. 0 0 44 {} ,,g-,-,ww- --m --wa y-4 w m

e STONE E. WEESTER ENGINEERING CORPOR ATION QUALITY ASSURANCE INSPECTION REDORT SH 1 cr,f, SUPPLEM ENT SHEET $4 (FOR FULL HE ADING SEE SHEET I (

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.ao*o=u l+ 12.101 t Icl91 olois tEl ITEM NOS. . HEAT NOS. SLAB NOS.

CERT, Equifment Hatch Cylf1 der Plates 802S71.260 S-28722-4A 24910

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3 TEMPERING TEMPERATURE 12 00 DEG F ~

T.72000 85000 '2 30 OK

. 7 25913 -l 'dJ2 7 62 5 e-l 1 1/ 2 12d l'_47 ! 2 4 9 9' B 73600: na400 2"34_x.or .T 73000 86600 *2 30 OK TEMPERING TEMPERATURE 12 00 DEG F. _T___;t te -2 osaro:35eo i / 2 122 147 2*998 es ec o 97Joa '2=2sx OK -~ . j T EMPER ING, TEM PERATURE 12 00. DEG F j si a iT 72000 85000 l2 30 OK l <_,_s ..,.e,3

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3/ e so 29e3 8.e2600 v2900 2-26x og .-4 *

• T EMPE R ING. TEMPERATURE I2 30 DEG F T 84600 88600 '2 30 OK

'T 2$929 -I f'00520040 I 3/ 8 40 312 2983_a_75o'o e57oo >=2e= og I i TEHPERlNG TEMPERATURE 12 30 DEG F: ! T 792 00 90000 2 28 OK l T ' 25939_7 a02 S80040 1 3/8 90 312

2983 e 78000 89000 12 24 OK 1

TEMPERING TEMPERATURE 12 30 DEG F. . 78'400,91800 2 24 OK e.. .T 4f - : \\, I I l I %f .t y* ,, 7 9 ~ ~ ' ~ 'N -'f F 'lli ATED TO 1650 DEG F AND WATER QUENCHED

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lHPACT PROPEi ).25 Y i.:.... M ~ ~ ~ SHIPMENT NO. 801-19ss' 'US T0f tER

1. fRCAJET-GEilERAL CORP DATE SHIPPE0 9-10-75 u.

' 10 DEG. F. ~ .ONGITUDINAL CHARPY V NOTCH TESTED AT DROP WElGHT TEAR TEST AT _gg DEG. F. ngunglis.1) 0 4 4 0 /.. LA TE R A L- -- DROP WEIGHT

ERI A L/ PATTERN HEAT SPECIMEN FT. LB S.

PER CENT . EXPANS l C4 PER CENT SH NUMBER HUMBER SIZE SHEAR T26105-1-2 00?T62580 1 052 052 053 99-99-99 47-48 te8 .88% T25913-1 802162580 1 062 060 061 99-99 - 61-60-61 95% 47 r8 r8 88% T26105-2 802T625R0 1 052 052 053 99-99-99 e e T21R99-1 802578170 2 Ote5 085 043 99-99-99 52-51-50 991 T25919-1 8025800teti 2 071 077 071 99-99-99 70-70-70 ')9% T259T9-2 802580040 ,2 _ 066 065 059 99-99-99 64-66-64 991 T26297.. I 8021.80719 1 024 027 029 99-99 ~ .32-36-28 991 T2 te9'es-1 80153T900 1 067 062 067 99-99-99 58-56-56 99% ~ NORTHEAST UTlWE( Mk. ; j agnsTONE UNIT lll ", _' r,., /f/7$~,f ~ g,,p., "W gr3 ?_ - sn x-3HgreseWi1L " p,g qkg ml o s U b .O &_t.. -ebw gy

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' TEMPE IT 82000 90100 2 28 OK 22731 -1:so2T5. RING TEMPERATURE 12 30 DEG Fl 312 p #,9 2 s e 3.8 83300 96700 2 28 OK. 1 7 q so T tog a, 3/ ' TEMPERING TEMPERATURE,12 30 DEG F lT 85300: 95600 :2 30 OK j gf 7 1 29038 83800 93800 2 3!e OK 8 312 227 32 -l'h02154 t ou 8, 3/ q 99 T ' TEMPERING TEMPERATURE!12 30 DEG h SS LONG CHARPJT 89000 96500 2 32 OK ri f f AS**E,I5Ab37 G54 u Fvo T*q IWI8 ACTS O f-l laA20 506'P V NOTLH j g .nis tL PLATES-(*4 PACT EA PLT AS Hl: AT TRE#gTED - S E t' MI l l COO t#G00NW86 G 021-7272 NEP2 l l 1 l kT 's20 25e 47/ 8707 a 79600 91800 :2 28 0K a a/- h_p,23o57 -i 8oa s32eec -h?,TEMPERlHG TEMPERATURE 1260 DEG F iT 79600 92100 :2 28 OK gy' T 23730 -lje:cs saavo.} zi; a/ 120 l 20e X77 67.2 B 81200 91600 2 30 OK -7 TEMPERING TEMPERATURE _1260 DEG F f~d ' T 83000. 95200 !2 29 tax SEE ATTACHED ~ PAGES FOR CHARPY lHPACT ~ PROPERTIES ~~~ / - -

• i-SEE ATTACHED PAGES FOR OROP WEIGHT INFORMATION

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j MATERIAL IDEN' IFICATION LIST ...r !: ~. 60900:: q,, g77--f.3-- A. Ledd D/ *. E 10/26/76 A l ITE.*d NOS. HEAT fiOS. SLAB NOS. sdhex ~ ~ (. CERT. 33::p.:c:- H-49 Eculpment Natch Transition l l I f 13-M49L C-5696 3AA 91775-W 4 C-5696 3AB 91775-KM 2-H49R c.5696 3AB 91775-KH 91775-m l ( C-5696 3AA , H-49-2 142756 DNL953 L Electrode Heat tot 401k'8341 2263510 0104401 412T4391 3150813 85065 ~ A C% WW 4.? cN%' [g*,/ RN h, K. i i , /h)/h \\C-:@/ N& 1 m....u. e.u. m.. p un. n. n. A. R r 1 NORTHEAST UTILITIES M".LSTONE UNIT l il 1190.520-109 l A CN:PIAENT No I h go o i e. H Ar c-H Ta hNb t i. r i GRAVER

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8 4 0 e e 4 6e APPENDIX B e PENETRATION SLEEVES LIMITING CMTR Su e ,O eD e M e+ g ( . e e o e e = =0 eene e e e =ce e e e =-em-m i e 1 l l l l l l e l l

> ~ e ve, "^ "' MATERIAL IDENT;FICATION LIST

• Revised 4-5-79 ORDER NO: 60900N Q. C. SUPERVISOR J. Ligda DATE 3-17-77 MATERIAL Ce rts h

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i ( \\ VA/ $4YC) S CA137 CP168 86783-67 02681-TT 51727-33 Attached CP174 86783-67 02681 -TT 51727-33 Attached g [CA13'7] (794166] (TW1 ) (TN20) Attached g CA137-2 401592 N/A l16329 Attached CA137-3 401592 N/A 16329 Attached l CA137-4 401592 N/A C 16329 Attached l CA137-6 D2495 3A [,N M @ 619-1 Attached b.2. W i } P38 (-A M /3/ CP120 D05174 IW2 QMMo@295 Attached CP123 D05174 IW2 W 59295 Attached P38-1 21-3654 N/A 02461 Attached P38-2 D05174 IW2 59295 Attached P38-3 D05174 IW2 59295 Attached P38-4 4491039 N/A NP-1930 Attached P38-5 N/R N/R 14996 Attached P39 P39-1 802S78440 S201062-1 14996 Attached P39-2 802S78440 S201062-1 14996 Attached / P39-3 N/R N/R . 16410 Attached (, j P39-4 N/R N/R 18421 Attached namnna.0189* ~ l

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8 Drawing No.

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g Nomenclature

c l8 Specification: 1971 EDITION, ASP.E CODE, SECTION II, SA-508, CLASS 1, CODE CASE 1332-6, E o l8 AND SECTION III, DIVISION 1, SUBSECTION NC, INCLtJJING ALL ADDSOA THRU E S-73 E l8 c lS NATIONAL FORGE COMPANY DOCUMENTS APPROVED AND USED ON THIS CONTRACT E <=> E lS ^E Ultrasonic Procedure: UT-60-1443-DA, REV. A, DTD 4/4/75 Q Magnetic Particte Procedure: MT-60-1443-0A, REV. A, DTD 4/4/75 g Heat Treat Procedure: HT-60-A-1443-0A, REV. A, ADDENDUM 91, DTD 8 /28/75 c Impact Test Procedure: LT-60-A-1443-0A, REV. C, DTD 4/15/75, ADDENDUM 91, DTD 6/13/75 E E {p Forging Test Drawing: Other: HYDROSTATIC TEST PROCEDURE: 61-GP99-006, REV. B, A TEST AGENDA, DTD 2/3/75, E REV. 4/11/75 E L DOCUMENTATION PACKAGE TABLE OF CONTENTS c .1 c @c=> 3 Chemistry / Mechanical /NDT Data Photornicr ograplis E e l Test Material (Sep. Cover) g I Transition Curve Q Heat Treatment ChartsfTab!c IV Form U 1 A Forni g <=> Dimensional Data U-2 Forrn c-i b@c=> Forging Material Log 3 Other HYDROSTATIC TEST DATA E@ l Heat Stability Data 5 !l@EE E g 's ehrhsed, e$t :)andinspectedin accordance with the re-5 This is to certify that the materiali s l uire-E quirements of the purchase order andapplicable specificaticras, including any amendments andconforrm l lf@g l A Q,, sraents thereof. l8 {@h: E j JUN 0 51979 ggYl91977 8 $Ep 29 ggg INGINEERING CORPORATION Authorized Companygekn-E S STONE & WEBSTER e-, e$v% C (di at. ;:- f l OE ~* ve l@ NTROL LEYEl. 2 9 Oc* CO A -l lE t J 9- # F 7a'~ i 9 l, l <=> g. O. NO.1217! bate: pORC N O";T.'~.M 7 " T T:~~a 'g- 'c i t..:r c c a - :. m CT 'g HMBEIRE. 0 1 3 9 S r.DO.520..Ce g r00000000000000000000000000d,..,,,. t.,00065OM gg i

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60-A-1443 E l8 Drawing No.: 1%303, REV. 2 j g 8 NFC Serial No.: 03-001 g j g Nomenclature: FLUED HEAD PENETRATION, WJtK,X-136 E S 3971 EDITION, ASME CODE, SECTION II, SA-508, CLASS 1, CODE CASE 1332-6 c: Specification: l'c > lS AND SECTION III, DIVISION 1, SUBSECTION NC, INCLUDING ALL ADDEtOA THRU E S-73. E lS c !S NATIONAL FORGE COMPANY DOCUMENTS APPROVED AND USED ON THIS CONTRACT E A=> IS 5 l$ Ultrasonic Procedure: UT-60-1%3-0A, REV. A, DTD 4/4/75 E l8 Maanetic Particle Procedure: MT-60-1%3-0A, REV. A, DTD 4/4/75 g c S:> Heat Treat Procedure: HT-60-A-I%3-0Aj REV. A, ADDENDUM 51, DTD 4/28/75 E l8 Impa'et Test Pr6cedu'rei "LT-60-A-1%3-DA) REV. C, DTD 4/15/75, ADDENDUM f1, DTD 6/13/75 - E 'h Forging Te'st Drawing: Other: mDROS1ATIC-TEST PROCEDURE: 61-GP99-006, REV. B, S TEST AGEFOA, DTD 2/3/75, E C REV. 4/11/75 c i c DOCUMENTATION PACKAGE TABLE OF CONTENTS g' g c i S 3 Chemistry / Mechanical /NDT Data Photomierographs => Transition Curve-Test Material (Sep. Cover) g i Heat Treatment Charts / Table IV Form U.1 A Form c ] U-2 Form c-Dimensional Data 3 Other WDROSTATIC TEST DATA 5

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b ~~ ,g ONAL TORGE COMPANY FY CONTROL DEPARTMENT NFC SHOP Ndt0-A ' SERI AL NO. 03-001' i l fl CUSTOME R GRA. ANK & MFG. CO. j 'ERIAL CERTIFICkTION REPORT NO.0(0 2 0 6, CUSTOMER ORDER NO. 60900N X69 V Page 3 of 4 CHEMICAL ANALYSIS 4E AT NO. C Mn P S si NI Cr Mo V Al Cu Co Tl -4587 .29 1.27 .010 .005 .30 .11 .20 .04 .02 ECK .24 1.29 .011 .006 .31 .02 MECHANICAL PROPERTIES l GENO SPECIMEN IDENT. NO. TENSILE est l N. ELD pst 6,7% % ELCNG % R/A IGgp{e NARONESS l l ] CN3 LT PIPE 82.250 61.500 32.0 '73.5 6-8 1 'A3 l YR IEAD RI.750 60.000 32.0 '69.5 gi.nt v i_t) Rale 3 CN3 ,,,{g77 4 MANUFACTURING NOTES AND HEAT TREATMENT DATA IMPACT D "),H(g f t. "Q ~ ., gEb SPCk'd. lDNT. NO. 'F F T. L6 M MATERIAL INCLUSION CONTENT: (INFORMATION) OPERATION To NOPE %l_17FD 16H0 9 N PER ASTM E45 W THOD 1, 1K LUSION CONTENT AUSENTIT17FD 1550 9 f 5,0 Y I I I /d \\ ) RESULTS ARE AS FOLLOWS! nUENO4FD IN WATFR-TFMPFRFD' 1240 Q k /A /_M\\/3) i i THIN SERIES = .5 HEAVY SERIES = 1.0 VgW. V4 CTT-l THIN SERIES = 1.0 HEAVY SERIES = 1.5 ,., r E's i THIN SERIES = .5 f.W. P.:,i. 4 hau i w, e.. .e. 9 y a:r;.::.:. : :::J'D965. s y. Qi.T.hD i-! }}' G ULTF4$0NIC INSPECT'EFPER APPROVED PROCEDURE AND FOUND TO BE SAT ISFACIORY 'G WITH NO REPORTABLE INDICATIONS. M AGNETIC PARTICLE INSPECTED PER APPROVED PROCEDURE APO FOUND TO BE SATISFACTORY l W WITH NO REPuRTABLE INDICATIONS. (O I (C UT INSPECTED BY C. PETERSON. LEVEL _11 HT INSPFCTFD RY _G. CONQUER, LEVEL II EE SPECIMEN SIZE =.505" Nn FI 18T FfY TOT MOLD ( s L

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Subject:

Tub:ce, Inc. l ( - *Purchasa Order TFO 13126 l \\. -N De ceri; tion: Seamlers As't /AST: 5A '7.106 Crade B.- r-j. /,. Item 2. 4i!?.05:1 ft. 20 Sch 100 x F/L (Car.oren Iren Werks F.t. 8L:200, LO:01 t

J5341,

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e,$ ' C.' C'.'. F". I ",' ~. ~'.'.~.' '. C *. *. This certiff cs that th: pipin; rr.eterial deneribed. herein is in accordance with scetien II:, riars 2 of the I.S:*r Boiler and Pressura $leur:2 Cd:',1971 Edition, th:., ugh the 19 73 Suarer Addes.da, :_.st it ir. sea::.lcs s,and th t cil recuirementr. of tat- ;ur-chase erder have been fulfilled. f j //' V../}l' !o l si it , '\\ /. l t qJ. E /4 i q(.f pcp., ( ** / ..i '.i..l. r 'o 9 ,v o. l Vict r'r t t.. Orr,.i' (( j A Oua.'.ity Asrurane:.: i {(.j~ /,'? G' o ECTLD .< i /.: ' Datet ? i.. r.. ~,. k Quality System cert.ifiente (t'aterials) e r?-9. i-3 t Exnk ration Vr.ts' * 's. :.. '. *...

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--_.-J, a.saa.. - - - -- au- ,,.w-a -K.,.-. 9 e 4 e e t = 9 APPENDIX F i FEEDWATER SYSTEM PIPE AND FITTINGS hDT DETERMINATION AND LAB REPORT a i i l l l

i = ( MILLSTONE UNIT NO. 3 i FEEDWATER SYSTEM PIPE AND FITTINGS DETERMINATION OF TNDT i' The feedwater system at Millstone Unit No. 3 includes 20 inch j Schedule 100 piping which is fabricated from SA-106, Grade B, 1 material. Since drop weight testing was not required, TNDT for this material must be estimated in some other manner. l Initially, TNDT was estimated from the data base published in NUREG-1 0577 (for comment), " Potential For Low Fracture Toughness And Lamellar Tearing On PWR Steam Generator And Reactor Coolant Pump Supports", (USNRC, October 1979). Since the mean value (280F) plus 1.3 standard deviations (for conservatism) is 77oF for this class of material, the permissible lowest service temperature would be 1070F. In view of the actual lowest service temperature of 740F, it was decided to test left-over pipe to obtain a better estimate of TNDT-Two heats were selected for testing and the results are shown in Northeast Utilities Materials Test Laboratory Test Report No. 13 005 (attached). The two heats represent the first and last sections l extruded and thus bound the installed piping. Heat No. J5341 was found to be limiting with Charpy V-Notch impact energies (as a function of temperature illustrated in Attachment 8 to the Lab Report. Using Revision 1 to NUREG-0577 for guidance (USNRC, October 1983), TNDT may be estimated as the temperature at which at least 15 foot-pounds of impact energy)is absorbed (minimum of three tests) and and average (of three tests of 20 foot-pounds is absorbed. for the limiting material installed at Millstone Unit No. 3, this value is 280F. L ,,n---n,n-., n

~ ~ NORTHEAST UTILITIES b 1 L O.' O lL" C*Z"" g ( w c > = = = = = = May 15, 1984 PSE-84-C-158 TO:' Mr, M.,y..Ahern' Berlin W15 '~' &ll buy FROM: Mr R. J. Hurlburt -? Berlin W15 i ~ -

SUBJECT:

Millstone Unit No. 3 Fracture Toughness Evaluation /Microexamination of Feedwater Pipe Samples During a review of the Millstone Unit No. 3 design, the main feedwater piping.was identified as potentially nonconforming with respect to Criterion 51 (fracture prevention of the containment pressure boundary) of 10CFR50, Appendik,A. Af tsr' a' detiailed review, it'was determined that material ' testing would be desirable in order to obtain bounding fracture toughness data for the installed piping. Bridgeport Testing Laboratory provided specimen fabrication and charpy impact testing for fracture toughness data. NUSCO Materials Testing Laboratory generated additional fracture toughness data,.fractography and microstructural examination. Enclosed in.this report is the fracture toughness data for two limiting heats of the main feedwater piping material installed at Millstone Unit No. 3. The main intent of this report is to support the NRC-GDC51 resolution effort, pressure boundary fracture toughness concerns. RJH/edv ATTACHMENT cc: E. A. DeBarba (w/ Attachment) A. F. Magid (w/ Attachment) M. Kupinski (w/o Attachment) L 0 570 REV. 3-83

NCRTEGRET UTELt7CES mo-o,~ ( 'l ea ,~o.- -

""*'*****_~_.

NORTHEAST UTILITIES Materials Test Laboratory 13-84-005 Lab Test No. Millstone Unit No. 3 Fracture Toughness Evaluation / Microexamination of Feedwater . Pipe Samples VfY/N PREPARED BY: Raymond Hurlburt, Component Engineering 6N W dklS/ Compo Engineering w [u7. Ahe,rn,kgen -k REVIEWED BY:.Mich e_ 4 l~ v .. APPROVED BY: Matt I 1, Cornponent Engineering I t l l l i March 30, 1984 L 4

i ~ KCE!7EGRST t!TELBTRES 3 3 50~% %~ J <[ % Z L C.'.T. ~~ ( , ~, MILLSTONE UNIT NO. 3 Fracture Toughness Evaluation / Microexamination of Feedwater Pipe Samples ~ Introduction Title 10 of the Code of Federal Regulations lists general design criteria for nuclear power plants (Part 50, Appendix A). During a review of the Millstone Unit No. 3 design, the main feedwater piping was identified as potentially nonconforming with respect to Criterion 51 (fracture prevention of the containment pressure boundary). After a detailed review of the material and its operating environ-ment, it was determined that testing would be desirable in order to obtain bounding fracture toughness data for the installed piping. This report provides various fracture toug,hness data for two limiting ([ heats of the main feedwater piping material installed at Millstone Unit No. 3. Discussion In response to concerns regarding 10CFR50, Appendix A GDC-51, Millstone Unit No. 3 containment penetration feedwater piping material was examined. Unit No. 3 feedwater lines are 20 inch schedule 100, SA-106, Grade B steel. Two feedwater pipe samples from different heats were tested (HT. No. J5341, HT. No. L2220). Bridgeport Testing Laboratory perforn'ed specimen fabrication and charpy impact testing for fracture toughaess data. The charpy impact results are tabulated on Attachment 1. Upon receipt of the fractured charpy specimens from Bridgeport Testing, NUSCO Materials Testing Laboratory photographed all specimens. in the "as-tested" or "as-received" condition at approximately IX magnification (Figures 1-8). Fracture surface photographs were then taken of all tested specimens at approximately 4X magnification (Figures 9-16). After fractography, the specimen halves were checked for hardness on the notch surfaces. The results are shown on Attachments 2 and 3. NUSCO Materials Laboratory then. generated t lateral expansion (Attachments 4, 5) and shear data (attachments 6,7). The impact energy results generated by Bridgeport Testing Laboratory were plotted versus test temperature (Attachments 8, 9). The lateral ( expansion (Attachments 10,11) and shear data (Attachments 12,13) (- were also plotted. _This was done to allow an estimation of the nil ductility temperature for the materials. .,---wo-ee m - ~ -- - - - - --- -- - - - - - -- - _ _ _

tc2aTMEAST (JTCC.lftES Millstone Unit No. 3 C ~.'e*a -* =* = Fracture Toughness Evaluation / 'a c=c %'O ~ Microexamination of Feedwater H {( tI; Pipe Samples ( March 30, 1984 .e Page 2 Representative samples were taken from both heats for microexamina-tion. The two samples were mounted, polished and etched using a solution of 2% nital ( Hitric Acid 02%; 98% methyl alcohol).. Mircoexamination was performed on'the mounted samples at 100X magnification (Attachment 14). To ensure grain structure uniformity from specimen to specimen, 2 charpy specimens from heat J5341 were sectioned, mounted, polished and etched. The photomicrographs are 'shown on Attachment 15. Conclusions 2 The samples removed from heats J5341 and L2220 for microexamina-e tion at 100X are typical of as fabricated (extruded) A106, Grade B steel without a grain refinement heat treatment. Heat J5341 appears to have been reduced by cold working about e 50%.. subsequent to any. heat treatment. Heat L2220 appears to have been reduced about 90% subsequent to any heat treatment. (( The grain structu e re ains form from specimen to specimen on e 0 the basis of the microexamination of the 40 F and 150 F test l specimens from heat"J5341. Both structures are typical of A106 Grade B steel. I All Charpy impact testing was performed in accordance with ASME o III, Subsection NC. e RJH/edy i i l l t

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2 },.. ( I.Y.f. l'$[ ] Y,.f*..j'] . FRACTURE APPEARANCE.(%): 0

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..s. p' _._I-ef~_.I,:.. < __I .-m_. m_

• a FIG. 9

FRACTURE SURFACES HEAT NO. J5341 i s Nh] h'. Mi 7 l SPECIMEN NO. 1 (32 F) ] IMPACT ENERGY (Ft.-Lbs.): 16.0 4)[u,'M'%-,g ~ LATERAL EXPANSION (Mils): 19 - (- y _,...9,..q... pRACTURE'PPEARANCE (%): 0 .-9P A s'g_.,. .vc,, c .%g n ,p _...Q. 0 SPECIMEN NO. 2 (32 F) t f, IMPACT" ENERGY (Ft.-Lbs.): 19.0 N / LATERAL EXPANSION (Mils): 23 t.C.

• l' FRACTURE APPEARANCE (%):

0* lh, -keh$h'Ef'k 0 SPECIMEN NO. 3 (32 F) [b ~ LATERAL EXPANSION (Mils): 23 9 IMPACT ENERGY (Ft.-Lbs.): 24.0 f ( FRACTURE APPEARANCE (%): 0 -...:u.. J i 0 r.,,..# p SPECIMEN NO.1 (40 F) 7c-,,z c. -_ y v..1 - ;) f JCT IMPACT ENERGY (Ft.-Lbs.): 29.0 }::.};fw.GS.@a LATERAL EXPANSION (Mils): 21 P '.'.?.; fj r' *r',g, a.ae.:..;0 M FRACTURE APPEARANCE (%): 0 $.. -, ;y .t " [ [... ' h,+,w '"fS$Mi

g. f

'"r. :. r 2* /?A E

• '.f}ff,{,..

0 ' '.SPECIMEN NO. 2 (40 F) '~ ' M i- .fg...: IMPACT ENERGY (Ft.-Lbs.): 18.0 $ f.h; I',Y.l:l LATERAL EXPANSION (Mils): 14 e M.[': FRACTURE APPEARANCE (%): 0 NfW 3 iff. s %,. l 3 $q5.YY.?b .h!.k' '.s. '.y'._.4TJ4&MW'&h*3.[Y)* ~ : SPECIMEN NO. 3 (40 F) .l, ; t 7 'P q b ,q'!:,$... IMPACTENERGY(Ft.-Lbs.): 28.0 l .f. l Qi a.f : ' ~ ' .:,,7.e.T vi i p.,3 p. y :. P 5.!:..?e:;j LATERAL EXPANSION (Mils): 22 o, L g. ( j i ( ( FIG. 10 l L

FRACTURE SURFACES HEAT NO. J5341 '-m. :.7 "..?'. vrnn'*msias~.7pr,v.s:m~1 .::..yy.- ~ -. ' ?.., (.?$ .l I*i .f ' =. . T.a:7-0 [W:hG:: f SPECIMEN NO' 1 (70 F) 4;,:. f 5, . ~

• 1 M

p;re' : n n lMPACT ENERGY (Ft.-Lbs.): 19.0 t /".. l JM. -r.. ~. - a. p x ..J. *

?

9_ Q ~j;W'l' LATERAL EXPANSION (Mils): 18 ..r. h;h FRACTURE APPEARANCE (%): 0 .~ $$.. s. ..p. {$$ W M BR...g.w .M ~t. W R., N 44 .,.. i ?(.,W2;.0 SPECIMEN NO. 2 (70 F) 0 ',gu E% - d.5 4;.;*Js - W p. 'a u W.Tf,W.e S j O lMPACT ENERGY (Ft.-Lbs.): 42.0

9,c e

~

/ f.:. d.y. d , ':4E ;:a LATERAL EXPANSION (Mils): 23 q L - y W*. >.-* F . r, h. 3' sg u*. s 4 i.,v c % ;.p.f ? 'j FRACTURE APPEARANCE (%): 0 .,,..W, . ): ?l: y;. h,q;s.1.:.:tl G.d s $. W~. b,..,y,.s,;. y r...y a.;r. q.-- 8 584 T nw V:.y c:.. ? f= i! T.py)eT'j SPECIMEN NO. 3 (70 F)

y.,. %; 4 a

4N$[If k / 0 {$hI,f[':d I Off- / y ~T.wg.'. 5IMPACT ENERGY (Ft.-Lbs.): 33.0 .. i cE' i.D,i.

• b O

$.l25d.E LATERAL EXPANSION (Mils): 26 C( , x s fi .=%L i h?!12.;;. -3,,,,,,mg/fff',$('.. FRACTURE APPEARANCE (%): 0 _ z2 ~3NETFMJd4&isH.rp*;f.qgis,9 IT SPECIMEN NO. 1 (100 F) .k..s.'igi!@.1 . :, 'N ....c j,- g,,,, IMPACT ENERGY (Ft.-Lbs.): 43.0 ~.. A. ;.,. 9 L.9 e z.c

;.,h' O,1 sG!

;ffy h

LATERAL EXPANSION (Mils): 33 -,, a -A .-tw ..-: D:;s,f F W v FRACTURE AFPEARANCE (%): 0 2 pt. gg'e ?Q; .i.? $ D $C Y b.

n t h

. s,m[4':m r.S..e. - I %i SPECIMEN NO. 2 (100 F) [. rr. 4py M #[F.. } . 0 . 5.l,s. IMPACTENERGY(Ft.-Lbs.): 38.0 l l Y...% ? lf, 3 T/A'M: LATERAL EXPANSION (Mils): 30 E FRACTURE APPEARANCE (%): 0 h. $NYE b'fhl) ~ it. ~? (' ,f .# SPECIMEN NO. 3 (100 F) I (d Lb ,p,I i . a e.O IMPACT ENERGY (Ft.-Lbs.): 34.0 .$,i"p7 -.?p%,d'- e. k7

1. t/m."LATERAL EXPANSION (MiIs):

30 ~ rp s . hJg.h..; 'M. d. EM ?h#'hjTC.'.# FRACTURE APPEARANCE (1): 0 l ( z 4'9 ( i fl6 ll i l

FRACTURE SURFACES ( HEAT NO. J5341 . ~ ~,..., ....,5 .w-b!'. ,Sfgi j N, - 2..W p' r I I$ht-d, '.h$.,," l., SPECIMEN NO. 1 (150 F) Q g j .N.:,..... ' IMPACT ENERGY (Ft.-Lbs.): 50.0 .NhkdMY88)hi". LATERAL EXPANSION (Mils): 40 ' ~ ~- $ y'.',.,. '1 Q?.; .e 4r M. a .. l., .y.. SPECIMEN NO. 2 (150 F) ,y I f;NJ.: [i G- /3*.. j lHPACT ENERGY (Ft.-Lbs.): 54.0 .

• Of:'

g LATERAL EXPANSION (Hils): 46 'c Ee, 3..p * < 'k .n.

f..

,j

?ll;'A $ 4 $'i p&$SL?Ws'$$$-5iy:'

N

4 ;i.c '.

3..'.. SPECIMEN NO. 3 (150 F). [ j .l IMPACT ENERGY (Ft.-Lbs.): 62.0 '[/ < (( t-(., g ,,, g LATERAL EXPANSION (Mils): 51 v _ d /..; ' '..,. Lji "Ql .j. FRACTURE APPEARANCE (%): 30 e s. I ( FIG. 12

FRACTURE SURFACES (' HEAT NO. L2200 .w. ,..... ye.. . u .myy bj .@/1 r r.

e. u$.

,[ f ;YdhQ. SPECIMEN NO. 1 (-40 F) j i?.M ' - IMPACT ENERGY (Ft.-Lbs.): 17.0 i. J .hi, a. 4$u.t,$- $4M$9.'Y.3. ' LATERAL EXPANSION (Mils): 13 * - sh

• W qq. ray.

c. ..a M., N N h'N f.:k.N[5:h;pm. :; w.s.TQ '51w;.M' $-I$'T l d '..I ',,'. I,) - ~ '.'.m.. SPECIMEN NO. 2 (-40 F) s l,.t., :c;,- .i 1,1g }'.g, ; IMPACT ENERGY (Ft.-Lbs.): 18.0 gl j j r cf. - c.q. ,Id.7 - LATERAL EXPANSION IMils): 19 . :y '. '[f g, @ k g E i U i. R'J FRACTURE APPEARANCE (%): 0 1.v f

i% W t* c R. Q-

~ v . :&:';. ::n5,gh6 Mffe%w.

q. -i.n.f'ifgL. :.-vg ^ Qt&%i ';g'.": "w uo m t

o SPECIMEN NO. 3 (-40 F) 5 -j;. M '~ 2 C'. $. $,.' f:, ~ %' If,*. _ ! 'jb'.. IMPACT ENERGY (Ft.-Lbs.): 18.0 p f ~ ~ ' LATERAL EXPANSION (Mils): 15 p %,. ,1 c ' Mii f i,r/pi l" c:. '. :.- 6. FRACTURE APPEARANCE (%): 0

zw -

..; u >..... C7WT ' ~ P. e g's (Q,,eig.g .~ \\

• o*l. '

O , j. SPECIMEN NO. 1 (O F) .{((ihl !IMPACT ENERGY (Ft.-Lbs.): 50.0 hD e. l h.OD; '3.f 7,. LATERAL EXPANSION (Mils): 37 .f : k? \\' s --5Y-$$,f.': kh,.fs. A n m.,./ SPECIMEN NO. 2 .(O F) sc.,,. a. i I 4,. a.. *C ,4,e IMPACT ENERGY-(Ft.-Lbs.): 47.0 i l ~ LATERAL EXPANSION (Mils): 37 ,I Je ,1 . l 7... _ k . g q' FRACTURE APPEARANCE (%): 10 S-- ,.i 's .[ 2.t; %,2..;. y l.iju?T! @ /$ U-g $.!'*' .'ON o SPECIMEN NO. 3 (O F) >h'. q s i IMPACT ENERGY (Ft.-Lbs.): 52.0 j l LATERALEXPANSION(Mils): 42 ! I l M,..;,+:P .'f.".! ' _/ _ _ _ [ FRACTUREAPPEARANCE(%): 10 I f ( 4

• • {h Yb$

f h.$h$ , _'. er'.n, &_, c.w.ww.%. %..f

• t r.

FIG. 13

FRACTURE SURFACES ( HEAT NO. L2200 .-__g__ , y, g4 .r. - d l 4l.]t) u l j w. J ? ^- a

• y

- G,.;. -

. a v

j q j J .) D.;iv.r,9 SPECIMEN NO.1 (32 F) r h NU.,. k S9? hf,hg IMPACT ENERGY (Ft.-Lbs.): 76.0 ,Ndi%-$ 1< 3%tdfediF/. P LATERAL EXPANSION (Mils): 62 ' - c c k h.Ib @k- [hhk,'O. FRACTURE APPEARANCE (%): 30 '$.5'. 5 ~ j'. g$,'j SPECIMEN NO. 2 (32 F) ~ .f.. ",0.:. IMPACT ENERGY (Ft.-Lbs.): 72.0 ..2..'.; ?"., ~i f. . g J. 7. ' ? (h-$y ). . j j . [v.... LATERAL EXPANSION (kils): 54 ~..,.; p ! P.s n R.p7 p a s. W.....h. M ' FRACTURE APPEARANCE (%): 30 D., DW1,l ^ ..WSf.:. %h +*-~ ,. w g k $hf ' '] i. ',, ' ' '.',,.cg, ~j-SPECIMEN NO. 3 (32 F) IMPACT ENERGY (Ft.-Lbs.): 80.0

'.9.'

LATERAL EXPANSION (Mils): 53 o ,, i.2,)-] $ %.44.) J' FRACTURE APPEARANCE'(%): '30 ---s g :n w 77jy)s...f3 3..;t s-O W c ~..- g. p ' SPECIMEN NO.1 (40 F) NW.?'Efl IMPACT ENERGY (Ft.-Lbs.): 70.0 7 t hh.- LATERAL EXPANSION (Mils): 52 I ,' A' ',O*Na.y[..N W'. FRACTURE APPEARANCE (%): 30 .... %...J. c . 3...hq. r e >3;.y.4... .... p.- 2.d@$k y NE!Y/..S .. gw... 2 My,$.y ' l SPECIMEN NO. 2 (40 F) ) ~

s. s

..r... R

py.

'n IMPACT ENERGY (Ft.-Lbs.): 76.0

d. 0.? :p.

.s. .i p y'...- ' ". ',. i S. 4 LATERAL EXPANSION (Mils): 56 E f.if? SE I ( FRACTURE APPEARANCE (%):. 30 m... <.,

.* c, y. -@u nN.-

. M., . - )g"g y.w .g .1 0 SPECIMEN NO. 3 (40 F) f d ? IMPACTENERGY(Ft.-Lbs.): 77.0 ..:.iylff T.- rz. 1 (' LATERAL EXPANSION (Mils): 62 I .f.',, FRACTURE APPEARANCE (w): 30 ..W;i.- d. L sip 7 C q;.. ~. w.... __'.~ h S % ** % W h -= A ' % %

• FIG. 14

FRACTURE SURFACES HEAT NO. L2200 W 74f: M W 5 W $7 J.W."-9Ty{f;Wt Y f, k f, e. $lf. ~ f,., f. d i I.-y [ y l h, w i

i.. 2.c$$y.r,..,

.m;y.... [- {h. 0 j SPE'.IMEN NO.1 (70 F)

g..j, l{.

pf. i)..... 8 IMPACT ENERGY (Ft.-Lbs.): 96.0 . s,%: Q f J 1 .r.. ,fp.jh.,.: t~$c_ ; q .sc e c.:4..B.a LATERAL EXPANSION (Mils): 66 t. 9e 7 ..c ' M.p.f r 7 J h %, y + Y*sti .n :d c n- - m. k,g')f 9..g.D s .Q; di? FRACTURE APPEARANCE (%): 70 ~ ~ ' ,3..xy;.- N . g, ywr;6 .n %.,.9q4.9.p.... r.Q'i;m.' fig + - .n qq.T.;.. I

m.. -

i. 'I

-.L .-fi}...; .l. a, g -s..... :.' m SPECIMEN NO. 2 (70 F) 1,c.M, i ?- m .67/f Q.. gy#; O

) ff,5;ll1 ' l IMPACT ENERGY (Ft.-Lbs.).

85.0

.,. 1 r ! L. -6 c.;c' N e ..g.(.. -r.. ,[,,n j gig' j LATERAL EXPANSION (Mils): 60 'Q,1,'.). .j d. .a e ^ M2. '< [.f ,3 t fi ~.

FRACTURE APPEARANCE (%)

70 m . N.Nm. L.r~N@..9/, '- ] Mkp.5 T.: M.y4;/i,eN.c.-*/si k A f((l b,.".I.y.1 e:'- .f

i. -@. V MkIk.sI'h I

'Dps,I I .s.g

4. -[,N ::

M.... . N'.'%.'.9 ,~;y;m.;L.,L.(SPECIMEN NO. 3 (70 F) i 'E * ..?.. ja. y T S. IMPACT ENERGY (Ft.-Lbs.): 87.0 n a

1. a !:...,

y..-

6 . o Q;.* i., . ' u... (g N:.0:.D:- di f l M LATERAL EXPANSION (Mils): 59 gG hfr.m_rd f.. c.s.,.wa:. x[A}.4 '. '.'ybhi'S i FRACTURE APPEARANCE (%): 70 u 2 . pl... r em 7,(,. - rW'.

• s

.. ;!k ' '. h -, ^ I'. q'.u/E-@',- 0 SPECIMEN NO. 1 (100 F) ' ;o Nt . } i.},jj lMPACT ENERGY (Ft.-Lbs.): 115.0 i t ~ d',, ij'l.t.o /.' e '..!LATERAL EXPANSION (Mils): 76 E. vgq j [ g k' %,... gJ.&j d@'@k. <.lf FRACTURE APPEARANCE (%): 80

:c... d. q,.P ??

.% ;W,.< D' 2 l o Z.,C.i:. 1 ny 4

-y.Eth'$

,.i.i g e r - ~, _ _ -t;,,0,..t..? . SPECIMEN NO. 2 (100 F) (; ')..?[f.,.5. 'h; p h.[ ' 3l IMPACT ENERGY (Ft.-Lbs. i . f.f..' ~. 1 LATERAL EXPANSION (Mils): 70 1; i.', ; ' ' M' j j. ! i eg.<.. E

7.L..

.m -. j i , FRACTURE APPEARANCE (%): 80 .b.J

&v'.bu.?p., }# -

5 J. @ l:" i p g. s $y gt*C+'.I VN 'k k.aSPECIMEN NO. 3 (100 F) x j i, i N 0 , ;,5.:,J'%, T -(d.) ~~~ C IMPACT ENERGY (Ft.-Lbs.): 97.0 2 .v L ..w... '. t 'r ';/.V:?.::'. E.'4 LATERAL EXPANSION (Mils): 70 m 1 $.m(.h ( E j; SE FRACTURE APPEARANCE (%): 80 Q( Ma. Y .;y.... h.hl:k'((k'YitMI$$DNNN-:- FIG. 15

FRACTURE SURFACES I HEAT NO. L2200 ..e?v"wwww. wamer. y:ggf.y. j m:--e @p."q"~.re. .ya.. p.:ypi;,y:4 p ' t t. e , j;4,,,, y :,,d :;. -~ SPECIMEN NO. 1 (150 F) p [~

c..-

i.g... :?i':4 7 0 .tf . y ? 5 j t

1

i.,

u t- . :.r.. -. IMPACT ENERGY (Ft.-Lbs.): 126.0 .e - , - -7 a -Q,,., A , G.M.3.... tLATERAL EXPANSION (Mils): 81

.J:p.

'" ^" ****' /$f-h,(A%N.p..rg+;typf.4..$yNk.kfh er . );; . '.I.!h SPECIMEN N0; 2 (150 F) 'Y,W,h

f /,.f s.

Ij (, '. ;') . !MPACT EhERGY (Ft.-Lbs.): 122.0 .t., )d r r_4)h l q.,... ,f.. je. -., LATERAL EXPANSION (Mils): 77 W.~ r. L.. ~ . ;a ,y. s ,.n:: : - - p K,,.. ? " sGr J' payee, -3. yt.,;... ;. +.. ', .;,;;.,q, ~ .y-

FRACTURE APPEARANCE (%):

300 .r,. .?;t . p.: ...a

f':.

thb'Y " O' 4.J'[. l f ) ' ?.'. ~ $ SPECIMEN NO. 3 (150'F) y . ~,. e 1,!.., I- ] [ Ip g( :r/ 1,,'.5 ! !MPACT ENERGY (Ft.-Lbs.): 124.0 .g l'; 2 7..'{.' ? LATERAL EXPAhSION (Mils): 76 i,.F, ', ( s 3 m .e. : U FRACTURE APPEARANCE (%): 100 Ci.. ".'y.. ggy g OM155M,.i.f@l.,df..' ' '4'.-asSb e D@ '.7 J[fd: ii l 8 D e I b e q 4 fig. 16

IMPACT ENERGY RESULTS (Ft.-Lbs.) (' (Perfortned by Bridgeport Testing) TEST TEMPERATURE (O ) SPECIMEN NO. HEAT J5341 HEAT L2200 F -40 1 3.0 0 -40 2 6.0 0 -40 3 5.0 0 O 1 14.0 16.0 0 2 10.0 7.0 0 3 11.0 11.0 32 1 16.0 22.0 32 2 19.0 25.0 32 3 24.0 24.0 40 1 29.0 24.0 40 2 18.0 17.0 40 3 28.0 25.0 70 1 19.0 21.0 f 70 2 42.0 35.0 28.0 70 3 33.0 100 1 43.0

• 36.0 100 2

38.0 30.0 I 100 3 34.0 30.0 ~ 150 1 50.0 42.0 150 2 54.0 48.0 I 150 3 62.0 50.0 ( ATT. I . -, - _~ ---

HARDNESS READINGS - ROCKWELL "B" (Taken on Notch Surface) ( HEAT J5341 (R ) (R ) g g J TEST TEMPERATURE (UF) SPECIMEN NO. UNMARKED HALF HALF MARKED V -40 1 83.7 83.8 -40 2 81.9 82.1 -40 3 83.0 82.5 0 1 82.6 82.2 0 2 81.0 82.4 0 3 82.4 82.6 32 1 81.3 81.7 32 2 81.4 81.2 k, ( 32 3 80.5 81.4 40 1 81.7 82.5 40 2 82.7 82.9 40 3 81.3 82.2 70 1 82.9 84.1 70 2 80.6 81.2 9 70 3 82.2 80.9 100 1 83.3 82.4 100 2 81.5 81.8 100 3 83.3 82.8 150 1 81.2 82.2 150 2 80.2 83.4 150 3 81.2 80.5 k ATT. 2

n HARDNESS READINGS - ROCKWELL "8" g (Taken on Notch Surface) HEAT L2200 (R ) I B 8 J TEST TEMPERATURE ( F) SPECIMEN NO. UNMARKED HALF HALF MARKED V -40 1 74.9 74.9 -40 2 74.8 75.4 -40 3 74.8 75.3 O 1 74.0 75.3 0 2 74.4 75.1 0 3 73.8 74.5 32 1 75.4-73.4 32 2 75.0 74.9 32 3 73.5 75.8 ll 40 1 75.6 71.8 40 2 72.9 74.7 40 3 72.9 71.6 70 1 70.3 75.7** 70 2 75.7 75.5 70 3 73.7 76.8 100 1 76.7 76.5 100 2 76.2 74.3 100 3 73.1 76.2 150 1 77.1 76.8 150 2 76.1 76.8 150 3 77.4 77.2 f l (_J s l ATT. 3 t-

~ LATERAL EXPANSION READINGS (Mils) I HEAT JS341 (MLE) TEST TEMPERATURE ('F) SPECIMEN NO. NORTHEAST UTILITIES -40 1 0 -40 2 1 -40 3 2 0 1 11 0 2 5 0 3 ,8 32 1 19 32 2 23 (' 32 3 23 40 1 21 40 2 14 40 3 22 70 1 18 70 2 23 70 3 26 100 1 33 100 2 30 100 3 30 150 1 40 150 2 46 150 3 51 ( l e ATT, 4

a e 6 e LATERAL EXPANSION READINGS (Mils) HEAT L2200 ( (MLE) TEST TEMPERATURE (OF) SPECIMEN NO. NORTHEAST UTILITIES -40 1 13 I -40 2 19 -40 3 15 0 1 37 0 2 37 0 3 42 32 1 62 32 2 54 32 3 53 ( ( 40 1 52 40 2 56 40 3 62 70 1 66 10 2 60 8 70 3 59 100 1 76 100 2 70 100 3 70 150 1 81 150 2 77 150 3 76 k t a ATT. 5

(( FRACTURE APPEARANCE RESULTS (5) HEAT J5341 (5 Shear) TEST TEMPERATURE ('F) _ SPECIMEN NO. NORTHEAST UTILITIES -40 1 0 -40 2 0 -40 3 0 0 1 0 0 2 0 0 3 0 32 1 0 32 2 0 32 3 0 (' 40 1 0 40 2 0 40 3 0 70 1 0 70 2 O t 70 3 0 1p 1 0 1m 2 0 100 3 0 150 1 30 150 2 30 ~ 150 3 30 k ATT. 6

FRACTURE APPEARANCE RESULTS (1) g HEAT L2200 ( (1 Shear) TEST TEMPERATURE ('F) SPECIMEN NO. NORTHEAST UTILITIES -40 1 0 -40 2 0 -40 3 0 0 1 10 0 2 10 0 3 10 32 1 30 32 2 30 (. I 32 3 2 40 1 30 40 2 30 40 3 30 70 1 70 70 2 70 70 3 70 100 1 80 100 2 80 100 3 80 150 1 100 150 2 100 150 3 100 k A T T. 7

w ^~ p O e 6 ,_. w _ rM. d.... ' " h h .-{- g 8-0 l._..-. ~ +*- __._,,....... - ~. -J - W" - =*I.- '-t'-- N +- -' -t-W +s -'.'. 4.. ..t ,..,.._n. _q_-... g.._. j . J g 4. ..4 .L _6 ,....4....... ._e. s..- 4.... j ..g_. _. -J-...an ..4,_-..(. 9,. _. - .._p._ ..g } .._.4.. s_. ( 4.. ..A.d 3. ..-t-- 4 4.,.,,.,.._, _..,..._ .i -9_ -i 9-. ..6_.,. _.4' _. _ -,,,,,.. _... ....'..4< ,4... ..*".*l. ( 4- ,7...l.. 4 .g, _g ...4,_.. - .g <.g Q

4...

..b.___< b,-_ g. m.-.v 4 e - _g _.q. _.-9..- -.(*._, _XA.. q .h,,d 4 .. _ _ _ - - -.g -..y M Q ql = N m1s1 1 -+ -- -' 'U P i,, g' .q 3 9 gy g _ __ c _. .y, v_,. _.a _. -4

m...-

g_._ w.- 4 d. _-I_ a__ ~'.T-~- _.J <.,6 .. p rf.p . 4 .-a ..u. ..w-. g. v_ .p m _. ,_~. . 4 _e = 4.._. s _L 9 4,M

_s_,

._.4,_..... _ m= . 4_. Q, p_._... _4_ A -,_4 d. .m._. .c .m -.g..- .g.._. _._.. _- p_ _, _h* e - e... ..**1.._ ... t,d, _.l.. ~ &_. -..... _ (.,.._ n .~.~2'._. _i.. .-_._J. ."M _ _.4. ._.a. 1v,__r y, _ .v,,_ T..._.t,". "_ ,(___. 4_. ..1__ n I, 1 ..q_a ._J

y. -

.L., . Q ... q-Q.- .._1,0.. J_.... _ _..._ _.. - g,g ,_b g y ml .i.. :. 4- .._5, ,. I._..- -t.. _ (T __ ( A r* _ 1 m ._;~_.---_.. \\, _ .. b.__ J :r, _ ,.,.g_.- __ { o _.__ ._4.,.___ _. _.. y.. q._-. - 7._-- 9- _._._.___...L.. N. _. _.. -r-- 4 , 4,w J a1 I _.- ---4_.. - - .... 3 __ m. g ___ $' __- ~.. .-1-- .."_",'l-. a8 . Q. p p.. "C.. _ .m. __

== p m... ir w_ -. r... J, _, ... L.. _. _ r. ..J...$g -3._ ~ _ _ - s. 90.. t~...~- - e..~-. .e...-

g. ~_......._E.~

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k. 4.....,.._

.4 . ~* --c. _. .... 1. _ . i.._ . O..... 4. ... z w.. e. ... i.O ), = .1 )q, L,A,) f. . A )/)_ I,@.. 8 .i......... _ (=3... _. 3 1 . n rys. ~., .. _.... 4.. m ....JJ.D.L..O. l. O ..m g. ...".".T*... ..... -_W i _.. w g f.. -A N,._.... ~..,,. 1.. .g....,... .) _._ .g e,..... I t _o,. . v.... O -.. l...-.. 1. o.. o ._.IO _. 8... -.Lm . o, ......d_- .... 0. t.. l .,o,.., _1 i, m ~ ~ w . __g j _ g I Nf3 O 5 ~1 5 d m ' ~._._.'.. ~.. .......~ '~ ~. ~

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1. 4 l

A ACEMENT 14i { 4l s

?. gg. .e ?bf e ( . NVf ' 3 Cross Section of Charpy Specimen ,I ObX rnag i at on 2% Nital Etch (. ~k', l . 17 y;. 4 5 FT t a 34 o 100X magnification l ( i ATTACHMENT 15}}