ML20037A434
| ML20037A434 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 05/06/1974 |
| From: | Thies A DUKE POWER CO. |
| To: | Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 8001140862 | |
| Download: ML20037A434 (5) | |
Text
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v...s..ss P.o.nox e 28 May 6, 1974 Mr. Norman C. Moseley, Director Directorate of Regulatory Operations U. S. Atomic Energy Commission Region 11 - Suite 818 230 Peachtree Street, Northwest j
Atlanta, Georgia 30303 k
Re: Oconee Nuclear Station Docket Nos. 50-269, -270, -287
Dear Mr. Moseley:
Please find attached additional information concerning the Dresser electromatic pressurizer relief valves at Oconee Nuclear Station.
This information consists of welding procedure qualifications and radiography data, and is forwarded in response to informal requests by Mr. C. E. Murphy and Mr. J. C. Bryant of your staff.
i Very truly yours, A. C. Thies f
ACT:vr Attachment l
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L 8001140gg
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CO!M I RUC110lo. DC PAR 1tAEf41 P R OJL C T __0,,conce REqQB_D OF VELDING PROCFDURE OllALIFICATIDE TESTS Specia) Dresser Valve Re f: Dresse r Speci ficat ion Spe c ifec a: ion No..)lS
- 9 7._(E'.;Y_7bSP D I IE ot) VS 65 Fill Q
Weldiar. p,ger, GTA (RooiS,liA,,(Fi iled)
Date 4-29-74 klanual or f.tachine lian ua I ll; iciness (if pipe, diamreer and wall ihickness)simeial *;-cificailen_A_J76-3 4" ID X.875 Wall Thlekness 11.icines Range this acts qualifics.
3/Ib t0 I"3/k" riller Stes I Group No. r..
5L7 Weld $ft sal Analysis No. A.
Ai T1.UX Oil ATMOSPalERI' Dese,il.e filler Metal if not included in Table Q-II.?
Flua Trade Name c'r composition N/A N/A Ince: Gas Cerrror.ision Argon ShieId i.r QN il.2 Teade Name Al r Product for osyneceylene wciding-Sasse if Filler Meralis sil " is 13actinc Strip used?
_ I low Race _
15 cfti icon on t.! urn *num Lilled.
Npne TELDING PitOCEDUltE Pechca: 1cmpcrature Itange 60 [_liinirauin Sinric or Sfultiple Pass _
Hultiple Intespass Tempetarure Range 3.0 F Haxirnum Sint c or Stu!:iple Are_
Single Posthem Tresiment_ 850 for 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> i
Position of Grood 2G (Hor 12,ontal) l (Flas. honisental, e-estacal. ce ovesbend; jf werracas. state
- l. cat et spward er sf ew(s,
p,,,, g p;r.s. Q-2 re Q-3, or QN-2 & QN.3) nward)
FOR INFORMATION ONLY i
\\
3/32-ER-308 L 3/32-C-308 riller riec-Diamerc, __ HT# 13177 1.ot# D108G1B VELDING TECl!NIQUES readc Name _
McKay Arcaloy Join Type of llactinr.
.ff,A 70 Dimensions Accord withTes t Memo _of 4-26-74 volts _ 14 ro,chand or nacLhand N/A inches pe, min,_
N/A I
c,hM, 75 DC 2 5 s,,i....y St rolght ItEDUCED EECTION TENS!LE TEST (Fin:. QG :.cd QN-6)
He ve rse l
Specimen No.
Area al' Ultimate Unit Character of Failure Width Thiciness Load,Ib.
Stiess, ps:
and 3.ocation 2GA Q.'6 (8)
.614 752
.4617 40,700 88,147 Duc al 2Ge e.6 <e>
.6a 743
.4674 42,000 oecce ae e 83.863 m
f GUIDED DEND TESTS (rigs. Q 7.1, Q7.2, QN 7.1, QN-7.2, QN-7.3) f i
Type and
~
t ri use No.
Reside Type and t
p;g,,, go, Result 2G1 Q.7.1 No Defect 2G3
'Q.7.1 No Defect 2G2 Q.7.I No De fect 2G4 Q.7.I No Defect i
nesults of FillcerclJ Tests, Fig. Q 9(c) reldes's Nanic W G Bartlett N/A Clock llo._
933 _
t1.o 1.y vierue of shese sesis enecis veldes pe:foimance rrquisements.
_ Sanmp No._
288 j
Test Conducied I.y --8dDuke Pc.ver Company pc, d mal Laboratory-Tes No.
N/A j
We cessify shat clic statements in this accos 1 air corects and that it.e nest welds were I ep sessed in accordance wish she requittinents of Section IX of she ASME Code.
ased, welded and s
Siracd.0uyger Comp,any f
tuanute.e sw.
k-29-74 Da.e pp, ;.-...-
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l
- RE COfAML l4DE D iO RIA Q-1 f kC@ O.C@lOlJ 11. " VfftDil4G OUAllf fgATIOil', "
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ElKE POW'cR COMPANY i t CoNUTit U CTION DCI'AHTMcNT OCONct NUCL.t.AH 13 T El-[FHoteL t. AkE A Los E. o Los a s s'4. GcNCCA. 5. C. 2067D Lb24631 April 26, 1974 4 From Ray Hol1 ins m F) D D Hemo to J F. Blair VI C R Baldwin 1 D Ti ah k 3 ~ Re: Uciding Procedure Welding Procedure is'to be qualified as set forthe below:
- 1) Base Material:
4-inch minimum diameter by 1/2 minimum wall, type 304 stainless steel Record base material heat number and forward to Engineering office
- 2) Joint Configuration:
Compound Bevel or V Bevel Open Butt
- 3) Welding Process:
First layer: Gas tungsten arc Remainder: Shicided metal arc 4) Filler. Metal: Gas Tungsten Arc: ER 308 Shielded Metal Arc: E 308 ~ Record filler material heat numbers and forward to Engineering Office
- 5) Preheat:- Hone - Room temperature
' 6) Interpass Temperature: '350 F maximum I
- 7) Gas Flow Rate: 20 CHF (Argon required) Maximum
- 8) Gas Backing: Use nitrogen for the first'three' layers Gas backing not to be used for remainder
- 9) -Post Veld Heat Treatment:
850 F for 2 hours 1 -
- 10) Number of Coupons Velded:
1 - 2G ' li) Bends and Tensil Pulls: For each coupon welded, prepare and test four (4) side bcnd. specimens and two' (2). tensil pull specimens as shown on-attached. k sheet. .~..
~ V{ 1 a./. e eat fe t toon g Ic o s ose h wc ' c"'m f--:.w ecnai 9 . / \\ / 1:ari antar l'tano (When /%e as ciel.ird m Hori. onto! fixed Gosition) \\., ,[ \\.-Cide Dend 3 $;ge geng_ Reduced Section Tenss* FIG 5. O 13.2 [d) f. Otl.13.2 (b) ORDE R OF R E MOV/.L OF TEST SPECIMENS FROM VIELDED PIPF (FOR PIPE OVER li IN. THICK. IAA BE U5ED A1.50 FOR THICKNESS % TO !i tri.) 4 e 9 (If flame Ce, eet less t/ son [" r -l [ shot /be Asochor.e:1from Estges s,,;n i """ n-l,m>- a ,.__________.__..,g.a. y,N.,. _, . y _. _1_ _. ___.] w .. p,. _. } g{._...__..________ _____.-= g e.: - - ....___.-N------ t. in. l T. in r! s yf gsT i bio 6N i.i ' =1 I d h, % 5t] \\ut e/or g thus U,c evhw
- catere s 1,i 7
fo*ge er cy 1 e k ee Cut - >da.oy ;
- n.ey not be AteeAined.
Note: for fla res sver /,(in thscl, cut !pecir.:n onto aj.p osimotely equo/.$frops lefweenl.'n.oro*//o'. n wide and lesf toch.Sftsp. FIG. Q.7.1 510E.DE ND '5PECIMEN FOR FERROUS MAT E RI A L5 t l i l:_n.,u ,s,,- - a _.-r A l c, f,,, :,,,,,,..,1 ArecrJ fr e."
- o *%r heron ie l 1s gg l,o;gs e,y M
= e fe:es e.or tw Z oe**r
- l e fle ne Lt-yj,.p,gh_ _.,
I' h ' 0*** e = p' *-p...._.. s i . fre*pr t! K seer u. q rarr e.f w* **
- d ~f
- 15.**
% r* ( l u, s c... n.,~. J're feretts s J.rikey r s FIG 5. Q.6 (n.) F. ON.6 (b) R E D UC E D.5 E C T ION TENSION SPECIMEN (PIPE) e
r, g.,- 'rc',,) P. O. W7u;7s Cdh't6mer's I, r.c Duke Pov.. r Co. !!anuf acturer or Arc 3. ducts Div. c /c) $1. C. Iloi.srs, Seneca, fi. c., f o Di strib'jtor @m ' ron C.nro. ~ Cu r. tome r ' s ' rd e r' !!c. 6-230 J. Arcs-n r, Pv '11 !in..ncerJ pa. 1235[C corp.jWire llent No. Date _ __, Lune _L 107; j' ' ' ', o E3 ggt..#{dentificationMIL-E-0022200E Specif icat ion MIL-t'_2? 2 30 / 7 nF2 '.. I Type MIL-3 L 2t, y p g 'd 4,4,6,1 V p.5~.i Ferr)te Contr>nt_
- J on Diameter & Length 3/37" v
g$r~ bent Ferrite (Average) 4 5*- A Inspection Level P Lot No. D10 BGl B 750 1bs. Test No. 92 Groove Weld Test 05 Carbon Test No. .8A chem Pad 3 6 70 70 N/A_ N/A Amperage Chromium 19.20 Grinding during SA Test Plate Preparation Nickel 9.61 3/ N/A Molybdenum N/A Operator Error (Layer Nos.) Nonc N/A Columbium N/A Tun.gsten X Chem Pad Groove Weld Chemistry was taken from X-Ray Results S4tisfactorv 3% . Concentricity % Covering Moisture (QPL) % __ @ 1800"F. 0. 6% Max We hereby, ce'rtify that the above material has been tested in accordance in conformance with all requirements with the listed specification and is State of Penna. County of York ARC PRODUCTS 1*ANUFACTURING DIV. Subscribed and sworn to before me CI!EMETRON CORP. 19 71 this 13t, day,of June . SEAL -(sn - - -cWn- / u:- Notary Public 4 gg fc7 / G. W. Folcome r III My commission expires: 12/4/72 OA D .,U dw ,l Ibis I; to ctd;'y B.-; Go c.r'nin:1 cop) A pr ma ro:n imn.gu. days;3nos o Lib _ )] _ i a md n:.t:d::d. i}}