Regulatory Guide 1.99

Rev. 0 - Radiation Embrittlement of Reactor Vessel Materials

ML12150A045
Person / Time
Issue date:	07/31/1975
From:	Office of Nuclear Regulatory Research
To:
Kirk M
References
RG-1.099, Rev. 0
Download: ML12150A045 (7)

EFFECTSOFRESIDUALELEMENTSONPREDICTEDRADIATIONDAMAGETOREACTORVESSELMATERIALS

P.002July1975

6. Products

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t.OCCWI'*lon.II4It~

t.Ant" h'"A'0.Gen_,.15.ParOlgraphV.B.ofAppendixGdescribesthch:lsisfor~ettingtheupperlimitforpressurcasafunctionof temperatureduringheatupanacooldownforagivenserviceperiodintermsofthepredictedvalueofthe4.PoragraphII.BofAppendixHincorporatcsASTME185.73byreferenc

c. Paragrapil

4.\ofASTMEI&5-73requiresthatthematerialstobcplacedinsurveill3nccbethosethatmaylimitoperationofthereactorduringilslifetime,i.e.thoseexpectcutoluvethehiShc:aadjustedrefcrencetemperature octheloweS!Ch:lrpyupper.shclfenergyatendoflife,Bothmeasuresofr:ldiationdalll~gemustbeconsider~d.1.ParagraphII.HofAppendixGdetin~$thebcltlinl:inlermsofapredictedadjustmentofrd"erCnl.'Ctem.pcr:\tureatendt)fservicl:lifeincx.~e$Sof50

0 F: P:H;I'gr::lPh.~IILe:lndIV.Bspecifythe3dditionaltes:require-menIsforbeltli:1elnilteri:lIs tha!$uprlemcnttherequirementsforrC:lClOrVt'sselln:ltcrtJ1sgcner:!lly.

Cople tofp",~U*,.d9"itM.M.y ba ob,ain.d b.¥t,I"a"'aQ"'."'"dIC.t~9,~.d'wi,~".d.'.d'o,,,.

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S.""ie.SeCtio

A. INTRODUCTION

REGULATORVGUIDE1.99JUL-15-201009:09OFFICEOFSTANDARDSDEVELOPMENTU,S,NUCLEA.RREGULATORYCOMMISSION<:en~r:llDesisnCriterion31."FracturePr~ventionofL':IL:torCoo1:lntPressureBound:HY:'ofAppendixA.CeneralDesignCriter;:\forNuclearPowerPI:lnts:'to i0CFRPartSO,"LicensingofProductionandUtilil..:l'lionF:lcililies:'requires,inP:Ht.thatthereactorl:tloi,Jn1pressurebO~llIdarybedesignedwithsufficient2.P:HaMal'hll.e,3of AnpenCIiXHemblishcsthcmargintoensurethat.whenstres~edunderoperating,0'..maintenance.testing,andpo~tul:lted3cdd~nlcondi.requirednumberofsurveillancecapsules

01\thehasis~lt'

[ions.(J)thebound:HYbeh:ivesin Jnonbrittlemannerthepredicted.adjustedrel'crence,cmpcratur~

31thecnllnnd(2)theprob:lbilityofrapidlyprop:lgatingfractureisofserviceIife:.)nadditio

n. withdrawalofthefirst

(.'3p-minimi1.cd.Appendix C,"FractureToughnessRequire.sulc(J:1enrour'or m"rc:lrCrequired)isto

1I<:('1IC whenments:';mdAppendixH."RcactorVesselMaterialthepredicted:::Idtustmcntofrcferencetcmpcr:Jlureis Surveillar.eeProgf:lmRequirements,"whichwcreadded:lpproXiinoi'tety.:'SO

FOfnton

c. fourth

01theservicetife._to10CFRPlIrtSOeffectiveAugust16.1973.to"~~~;vct.isearlier.impJ::mcnt,inpart.Criterion31.necessitatethepredic-/;j;~\,:.:.".tionoftheamountofr3diation<.iamagetotherea:tor;~:~

..'~~:t':,).ParagraphlV.CofAppendix Crequiresthai vess~l~fwater-cooledpowerrellctorsthroug~?ut"i~.~~.~xesSelsbedesigned

10permitathermallInnealingtee:!t-serVIceIIfe.'-:"':~,"mentifthepredictedvalueofadjustedreferencetemper..._.._.~;"..":>', ,Xatureexceeds200°Fduringtheirservicelife.

nBSgUidedescnbesgeneralprocedurCS':lcceptabfe:'to'theNRCstaffasaninterimbasis.for:,predictingthceffectsoftheresidualelementscopper and, phOSphorusonneutronradiationdamagetothelow:..dloysteelscurrentlyusedforreactorvessels.

..;::<":.;t B.'b)~9OSSI.0N

.;,"'...1/Theprincipar~'cDinples'.\~fNRCrequirementsthatnecessitater..re~.ttionOfpdia~iondamageate: ,L':1'"'~s-...~.-I':,~"";.

,~"'~;.-:I.".Rc!:e:Jrch

';Siciconstructionexperiencewithlow-re~iduJI.clementconi~tjonsofthesesteelsisaccumu1atinl:rapidlyandIscxpcCtM

to provide:I firm basis for accept:lbteproceduresinIhenC:lIfuture.uSNRCREGULATORYGUIOeS

Aag",l.f.'GWld".'""ed(0d(IlW A",d",ake'".1)1.tothe lP"bl i C__o.dl.-CC.'Hable te.t\.PlAC.uft of i"'v1a""'.""'

II).ci'ic C'A'"6',,,.Co_Mi;O"-'

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Co'""'111'\\1d1aUQg.'(;.o.,.to'il"p,o",41U'"'0'.Q""are onCoo.""QldaU,,""'.,."ItQyt~."willb'.!lI,d.ap~IO"I1.'.,toat:to~"'Od.t.

co"'."'a"".,,4'0,.fI.ctn

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a"..,ty,",i.,o".ReGULATORYGUIDE

','JUL-15-201009:09NRCPDR P.003 JUL-15-201009:102.Fornewplants,there:lctorvesselbeltlinematerialsshouldhavethecontentofresidualc:Ienlentssuchascopper,phosphorus.sulfur.andvanadiumcontrolledtolowlevels.ThelevelsshouldbesuchthatthepredictedadjustedrefC!rC!ncetemperatureatendoflifeislessthan200°F.'

0, IMPLEMENTATIONd.Applic:ltionoftheseprocedurestomaterialshavinRresidualelementcontentbeyondthatrepresentedbythecurrentdatab:lseshouldbejustified by submittalofdata.P.004ThepurposeofthissectionistoprovideinformationtoapplicantsandlicenseesregardingtheNRCpa(r~plansforutilizingthisregulatoryguide,Thisguidereflcctscurrentrcgu1:lt()rypractice.There.fore,exceptinthosecasesinwhichthe3l'1plic:tntproposesanacceptablealternativemethodforcompI:,.ingwithspecifiedportionsoftheCommis.~ion'sregula.tions,thepositionsdescribedinthisguidewillbe lIs..:dbytheNRCmff

3S follows:I.Themetroddescribedinregulatorypositior.C.IofthisguidewillbeusedinevaluatingallpredictionsofradiationdamagecalledforinAppendicesGJndHto10CFRPartSOsubmittedonorafterJanuary15,1976;

however Iifanapplicantwishestousctherecommcn-dationsofregulatorypositionC.Iindevelopingsub-mittalsbeforeJanuary15, 1976,thepertinentportionsofthesubmittalwillbeevaluatedonthebasisofthis guide.2.Therecommendationsofregulatoryposition<:.2willbeusedinevaluatingconstructionpermitappli-cationsdocketedonorafterJanuary

15,1976;however.ifanapplicantwhoseapplicalionforconstructionpermitisdocketedbeforeJanuary15.1976,wishestousetherecommendationsofregulatorypositionC.2ofthisregulatoryguideindevelopingsubmitt:JIsfortheappliCOltion,thepertinentportionsofthe.:IppliCOl tionwillbeevaluatedonthebasisofthisguide.NRCPDRApplic.ationoftheforegoingproceduresshouldbesubjecttothefollowinglimitations:a.TheproceduresapplytothosegradesofSA.302,336,533,and508steelshavingminimuml'pecifiedyieldstrengthsof50,000psiandunderandtotheirweldsandheat.affectedzones.

%P'"weightpercentofphosphorus.If%P 40;0.008, use 0.008.b.Theproceciuresarevalidforanominalirradia-tiontcmperatureofSSOQF.Irradiationbelow525°Fshouldbeconsideredtoproducegrealerdamag

e. andirradiationbove

575°Fmaybeconsideredtoproducelessdamage.Thecorrectionfactorusedshouldbe justified.IfthevalueofAobtainedbytheaboveexpressionexceedsthatgivenbythecurvelabeled"UpperLimit"inFigureI,the"UpperUmil"eurveshouldbeused.If

%Cuisunknown,the"UpperLimit"eurveshouldbe used.Ch:lrPyuppelShelfenergyshouldbeassumedto decrease uafunctionofl1uen~andcoppercontentasindicntcdinFigure2,withinthelimi~listedbelow.In.Icrpolati.onispermitted.AsillustratedinFigureIforselectedcopperandphosphoruscontents,the:lboveexpressionshouldbeconsideredvalidonlyforA>50°Fandforf

<6 X la'9'n/crn'2 (E>1 MeV).c.TheexpressionforAisgivenintermsoflluenceasmeasuredbyunitsofn/cm

2 (E>1MeV);however,thec:xpressionm:lybeusedintermsoftluencc:

asmeasuredbyunitsofneutrond:lmagefluence,providedtheconstant10

19n/em:(E>1MeV)ischangedtothecorrespondingvalueofneutrondam3.ge fluenc!!.

!o to z~o'l:l o~....o c...c:=r--1....m I tv o....o 56 4 3 2 81 10 19 56 4 3 2 81 10 18-4 56 32X10 17 400UT~:~~::U~;'.1.:.)::'j:"FTJ:;::1:;."j.'.1,..:'1':'I:;::l:~::.'..:.':.:::;l::::::::'::::::::

.::f;~350~::1:::~::1>.~:-r":-..;:-

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300 iii::;ii: i:;~~<::;~f:i\.~.14("100~(%Cu..0.08)7.500~'I%p'~~

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i:;I:::::::::':'1:::::::::::::.

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':'1:'::i;:.;:::::~~E:1~1"#u.0 0..:J..'"~K E (;>I-0>U C'"..'"..Cl Cl:...0 i: II>E....:J:0:.0\0 c:(~"D II>ti:0'".t 4,"Fluence'cm

2 IE>1MeV)Figure1PredictedAdjustmentofReferenceTemperatureasaFunctionofCopperandPhosphorusContentandFJuence.

'l:l o o m

~(~.c...c:: L'I....01 I tv o....o o U)....o z::>j o"(l t::l::>j:::I-.;..~:L-=:--.~-r-.O-:-,-:.:.;--i:::;

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TIl"..~n P~jnr~.~.~f~~~!!~i g~~g~~~n:~t!f',i.f~H~gg~~i';~~~~~;~~~U~~:~~~~~j-:~'.!_:: mt., c B...ll>0.~..4U c: W..'ii.r.(I).5 4U;I"" b 4U C'0\()v..2Xl0 17 3 4 56 81 10 18 2 3 4 56 81 10 19 2 3 4 5 6Fluence.n/cm

2 (E>1MeV)Figure2 PredictedDecreaseinShelfEnergya~aFunetio;)ofCopperContentandFluence.

I I;I tTl.'..~'\."';'.'-.',~.,...,,';';";:I....".:

,:,.'.~'l.~l:..-"'",'P.OO?UfCJnI)SJ:A:t'D

N~IE(Jttf.Ai1OIY~~ON

W~~6.c..'"F,ebruary1.

19'7NRCPDR PROPOSED'REGUlATOR\'

GljIIJ)EJ.99.ReJ1510N1.

I~FFscrs OFReSlOOA1,;..ELEMENTSON

PRED-ICTED:RA&lAJ"ION

D~ETO~W'sset.KATSRIAtS,.

and re.coDlcn4eda'ppr.wta.lsUbjee'ttotM

f:tJl1.ow.tt;e

~b~1.L SO'BJECi:~y OF R!!CUUroltr p.f~rae-etrS

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v.Go$Sick,~S~eC't1tjv~

Oirec'tor for OpeTn.i01~

pam!kE.G.C3::!~.

Ch:ti.~, flegr;tb.tory a,-ql).i~nt:s

~.\fi~CQmmi~ee~OI!IIIri;t:.t';~e~onaen~srefer t:o th.e draftd.is"tribut:ea~t

~hc~~t.!'ti.ngd~l:ed Jmuary 19'77.t'a.thO'r than the-cfr'3:ft4.1nrlboll~ed wi.th~he age-nda d:I~ed~pt:~'l:>er

19'6.a~.'the foot1'lotitonres;e'.

r;;i1 and con~tl'U<

d9'!-

~x;':ience.onp.age Iof"t.tteproposedr.~i~ion shouldbe~at\de:d tQimclud:ethe woN'i"'i eoncernin.g the ami~a.tioA$

oft:begui-d$

sugg~st ed by:t1t~O'fficoof'

• uc1:ea~RC:~la~

Res:ea~h.b.'TheCommittu eharacteri:biJ

pacagr-a.phs C.l, C,2..andC.4ofthe:proposed,Regul&tory Po.s1t:ion

8$Cat;e;s.?r;'

3-baGlfjt r~i.ec1;.amipar~~a.phC.3a.sCa'teiOTy1-nobaetl'fr':",._._~..

" , ,"2.PROr05ED

REGULATORy GUlDE l.XX,"AC~9'!'AaiE'~f1.A.~'<ELAnDSTA'TIST1CA1.MEnt:it>5r:ORANALYSISOFFUEL D&~SrHo..TI:<l\l, e'T~.dfoundth'.J;tthe pNpQ-5Cc!.

Regulatory GUl-der~~e~ent'ed~

Llccepeabl,e

=od,dlind.,.pproprb.'t4:

_~hIXb£Q'~;m~lysi$cif\1~l d.ensifi~..at.:ion df~~~.U:t:ili~'t:i<)tl of such~h omd Ille-thodsinthe Hcensin,spJ"t)e~.s~bCluldbe illq)leM:n:t:~

in ac~o.rdance wit~10 CF~S().4~3~t..her~la:t"dApp.m4ix Ieto10Cfa50.':~.g002O'"lQ~/OSr.DRAFT REQJU'1DJtY

GUID£I.XU,I?i$P£CfIONOF

WAr.a CO"N'rROt S'T'R;-ucnrRP..:S

ASSOCl'ATED-wl1aNU(';.LEAA

PLkVl'FA'CIL!1'lS~'(1)R.AfT"A", OAT,£O~~£R.17, 197:6):mdr~endedap;>royalsubieett.o t:h-'i1 fO'U.~nz CQal.enU;~

~1fre-Collll:l:i~l:ec~OJmrn:mt.:~

reffn'to r.:~<ira,it guide dist:ribti':C!'d IJa.t t!\;~~~Q.nE'.ch.~ft!'~~cmbn16.19'16.r'3the:r than the drAft d.t~.tl':fblltedwi:~t'hth.

• %tmd:*QA:Ud S'Cpt'crm\l)C!c

17 t 1~r16.JUL-15-201009:10.,II r 1 II'"I"loll'",\'." ,I.I r ,'I(,I'.

.........

_.~."._..."..............

_._..,....._--_._...._.,.,....:.........

,-P.008_,NR_C_P_D~"""III',"_.IIIlIl_'_lInlllillllll_IlWlIUIIII&l__:m1lIln_IWII~

il,p The-CQIIlIlj,ttee-,revi,eoN

of t~jis poroposedgu,idl:":'51 fllli'1::ed toits.~lic~bH.ityand-

~cceptabi1hy with 1'egard 1:0~M eOf)trel~~!'I)CUs+es wtJicl'l could~rfel:t::adioloJ;i~lsafe~y.

1hepr.opos,~d piesMu1dbe:.'*Zld~th,WUi~t: U:]cl'Ut1tn~",h~~itle)ro z:e.1::crrh thi~lai,tr&:tiQ1.i.b.The prmi'O'ntSY5t:a=

o~Co=itt-eoech~1"&Ct'eri,;<tti.an of t.he bac.kiit PQt:ental o-f;u.opos-ed guides fo'!'opeTa:tin~plllJ.1)t,Scanand should he!applied to sundarti~%~

plJlf1~5;i.e.ClILegory 1-need l\~b~applied to st3Ada~iz'@(.\p14nu;ca..'teeOTY

2-Stppl:leabi,1'i ty to~anda.:.rdi:ed'

plan'ts:U$~'be ded.:d~~y~RR on a ca-se-.by-eau bas,i,,;Cat~,<>r.y3--ll!1JS'tbeappH<<1tosUJ'ld.lu"d.hedplan.t;s.~eExecutiveSC'<:':"e~~:yshould dtIf.Clop andcin:ula:t.efor Comait;~ee C~tsrith'in2?'~",ks a p~posed r.evis-ion r:(~the.d.cfinl t:ions of o3<;l:fit ca'eegot:i:e$

p:r~iouslr es~bl b~ed by the CQlIDi't:t~,in~eting NO'.31f~e1IJ~:ratld~

tot,.~'.Cossid dat.odS~pteJlbeT24,1975)tha:i-ncl,udest:heseaddltion, conee,ming stflDd:ardi.ud.plall'ts.andclarUioes,as n~e.$s,~:ry.

t.he applic.a.bilit:yofCCIllIlZSitt'e.e-co.nside:red guidlt'$to cus'tQmp,i3ntsW'it~

CPs.a-Gu-idan:ceont.~ci:mple<.IHm,UtiO'[l of regulatory guides fpr standardi~

l\Uc.l~a'r

'power.pl-c1n'~s should be in.c.lad'~

in are"1isitm to WASii-1341.

ra.ther man tn 1&regulatory gui~.b.The C~t.~eele'avesto th~5"t::tff thedevelopmentof appZ"Opriat.e meulkb~nc;l~~:5to~~:t:ili;ed fer aasuring t1gt the i,n~p6C1:i~.

~orv~illarice.

an4lor t;e~'tr~uheJne."'l~$Set f'O:"th J:Dtheguide a;re-lHlt by1k.ensees.c~~(DP1of)should dCVlelop s W::~?!!..~!t~~2:.~95.~~,!*e$

for i~l (!lI'f~~ing t:he c.oc:..a.iUt:'4'S

reCO~ttron'S

conc.l!'T1ling ba.clnr-,:o.'t.~'f.ia1of.....;;!tan'i~S

n~.gul~tory re~tJir.C

Qi¥en;uto~ho:>e£itJecific plants nothav,"1.,opor>:'ftg

1L<<".~""t'>r~.:, (2:~/n;C.I~~.C"'-a~.rr;la,n~~Ha1to.ry Rfl'q'.:~r~en:ts Re:vie:'lt C~lit.tee 4,.PIOPOSED.RSV1:5ION21U~EGUUTOR.YG1JTD!

1..Z2."CRITERIA FO.R Sl\FfTY R.Eu.no-Eu:mlC PowasvsracsFORNUCLEAR

Pr;l1l'ERP~"TS'md tecomaended.a:pproval.

The COllllittee~~m'zedthis pide as Ca~gory.3~ba.ck.fit reqo,ired~

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s.P:ROOOSSl RfGULAWRV GUIDf 10.XX.uGlJtD.A.~CEaNr~r.EME.\.7A:r!OtiOF

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