有GB713的許用應(yīng)力表

3附件1相關(guān)技術(shù)措施1鋼板11碳素鋼和低合金鋼鋼板111鋼板的標(biāo)準(zhǔn)、使用狀態(tài)及許用應(yīng)力按表1的規(guī)定。112殼體用鋼板不包括多層容器的層板應(yīng)按表2的規(guī)定逐張進(jìn)行超聲檢測,鋼板超聲檢測方法和質(zhì)量等級按JB/T47303的規(guī)定。113受壓元件用鋼板，其使用溫度下限按表3的規(guī)定，表3中Q245R和Q345R鋼板在下述使用條件下應(yīng)在正火狀態(tài)下使用。A用于多層容器內(nèi)筒的Q245R和Q345R；B用于殼體的厚度大于36MM的Q245R和Q345R；C用于其他受壓元件法蘭、管板、平蓋等的厚度大于50MM的Q245R和Q345R。12高合金鋼鋼板鋼板的標(biāo)準(zhǔn)、厚度范圍及許用應(yīng)力按表4的規(guī)定。2鋼管21碳素鋼和低合金鋼鋼管211鋼管的標(biāo)準(zhǔn)、使用狀態(tài)及許用應(yīng)力按表5的規(guī)定。對壁厚大于30MM的鋼管和使用溫度低于20的鋼管，表中的正火不允許用終軋溫度符合正火溫度的熱軋來代替。212GB9948中各鋼號鋼管的使用規(guī)定如下A）換熱管應(yīng)選用冷拔或冷軋鋼管，鋼管的尺寸精度應(yīng)選用高4級精度；B）外徑不小于70MM，且壁厚不小于65MM的10和20鋼管，應(yīng)分別進(jìn)行20和0的沖擊試驗(yàn)，3個縱向標(biāo)準(zhǔn)試樣的沖擊功平均值應(yīng)不小于31J。10和20鋼管的使用溫度下限分別為20和0。213GB6479中各鋼號鋼管的使用規(guī)定如下A鋼中含硫量應(yīng)不大于0020；B換熱管應(yīng)選用冷拔或冷軋鋼管，鋼管尺寸精度應(yīng)選用高級精度；C外徑不小于70MM，且壁厚不小于65MM的20和16MN鋼管，應(yīng)分別進(jìn)行0和20的沖擊試驗(yàn)，3個縱向標(biāo)準(zhǔn)試樣的沖擊功平均值應(yīng)分別不小于31J和34J。20和16MN鋼管的使用溫度下限分別為0和20。214使用溫度低于20的鋼管，其鋼號、使用狀態(tài)和沖擊試驗(yàn)溫度（即鋼管的使用溫度下限）按表6的規(guī)定。表中16MN鋼的化學(xué)成分應(yīng)符合P0025、S0012的規(guī)定，外徑不小于70MM，且壁厚不小于65MM的鋼管進(jìn)行40的沖擊試驗(yàn)，3個縱向標(biāo)準(zhǔn)試樣的沖擊功平均值應(yīng)不小于34J。09MND和09MNNID鋼管的相關(guān)規(guī)定見422和423。22高合金鋼鋼管鋼管的標(biāo)準(zhǔn)、壁厚范圍及許用應(yīng)力按表7的規(guī)定。鋼管的交貨狀態(tài)應(yīng)按表7中相應(yīng)鋼管標(biāo)準(zhǔn)的規(guī)定。表7中GB13296和GB/T14976鋼號中的統(tǒng)一數(shù)字代號系按GB/T20878的規(guī)定。5表1碳素鋼和低合金鋼鋼板許用應(yīng)力室溫強(qiáng)度指標(biāo)在下列溫度（）下的許用應(yīng)力，MPA鋼號鋼板標(biāo)準(zhǔn)使用狀態(tài)厚度MMRMMPARELMPA20100150200250300350400425450475500525550575600注31640024514814714013111710898918561411636400235148140133124111102938684614136604002251481331271191079889828061416010039020513712311710998908275736141Q245RGB713熱軋，控軋，正火100150380185123112107100908073706761413165103451891891891831671531431259366431636500325185185183170157143133125936643366049031518118117316014713312311793664360100490305181181167150137123117110936643100150480285178173160147133120113107936643Q345RGB713熱軋，控軋，正火15020047026517416315314313011711010393664310165303701961961961961901801701636530360196196196193183173163Q370RGB713正火3660520340193193193180170160150306057040021121121121121121121120719517711718MNMONBRGB713正火加回火601005703902112112112112112112112031921771173010057039021121121121121121121120313MNNIMORGB713正火加回火1001505703802112112112112112112112006表1（續(xù)）室溫強(qiáng)度指標(biāo)在下列溫度（）下的許用應(yīng)力，MPA鋼號鋼板標(biāo)準(zhǔn)使用狀態(tài)厚度MMRMMPARELMPA20100150200250300350400425450475500525550575600注6604502951671671671601501401331261221191178858376010045027516716715714714013112411711411110988583715CRMORGB713正火加回火100150440255163157147140133123117110107104102885837610052031019318718017016315314714013513012380543314CR1MORGB713正火加回火10015051030018918017316315714714013313012712180543312CR2MO1RGB713正火加回火615052031019318718017317016716316015714711989614637660440245163150140133127117111105103100989582594112CR1MOVRGB713正火加回火60100430235157147140133127117111105103100989582594112CR2MOLVR正火加回火30120590415219219219219219219219219219193163134104721616490315181181180167153140130163647029517417416715714313012036604602851701701601501371231176010045027516716715714713312011316MNDRGB3531正火，正火加回火100120440265163163153143130117110616490325181181181173163648031517817817816715MNNIDRGB3531正火，正火加回火36604703051741741731607表1（續(xù)）室溫強(qiáng)度指標(biāo)在下列溫度（）下的許用應(yīng)力，MPA鋼號鋼板標(biāo)準(zhǔn)使用狀態(tài)厚度MMRMMPARELMPA20100150200250300350400425450475500525550575600注1016530370196196196196163653036019619619619315MNNINBDR正火，正火加回火366052035019319319318716164403001631631631601531471371636440280163163157150143137127366043027015915915014313713012009MNNIDRGB3531正火，正火加回火6012042026015615614714013312711766049032018118108NI3DR正火，正火加回火，調(diào)質(zhì)60100480300178178163068057525225206NI9DR調(diào)質(zhì)3040680565252252107MNMOVRGB19189調(diào)質(zhì)106061049022622622622607MNNIVDRGB19189調(diào)質(zhì)106061049022622622622607MNNIMODRGB19189調(diào)質(zhì)105061049022622622622612MNNIVRGB19189調(diào)質(zhì)1060610490226226226226注1該鋼板的技術(shù)要求見（4材料的補(bǔ)充規(guī)定）。8表2殼體用鋼板超聲檢測要求鋼號鋼板厚度MM容器使用條件質(zhì)量等級3036不低于級Q245RQ345R36不低于級Q370RMNMO系CRMO系CRMOV系25不低于級16MNDRNI系低溫鋼（調(diào)質(zhì)狀態(tài)除外）20不低于級調(diào)質(zhì)狀態(tài)使用的鋼號16級多層容器內(nèi)筒鋼板12級12介質(zhì)毒性程度為極度或高度危害；在濕H2S環(huán)境中使用；設(shè)計(jì)壓力大于或等于10MPA。不低于級9表3鋼板的使用溫度下限鋼號鋼板厚度MM使用狀態(tài)沖擊試驗(yàn)要求使用溫度下限中常溫用鋼板6免做沖擊206122012161016150熱軋、控軋、正火0沖擊01220熱軋、控軋20Q245R12150正火20沖擊（協(xié)議）206免做沖擊206202020251025200熱軋、控軋、正火0沖擊02030熱軋、控軋20Q345R20200正火20沖擊（協(xié)議）20Q370R1060正火20沖擊200沖擊018MNMONBR30100正火加回火10沖擊（協(xié)議）100沖擊013MNNIMOR30150正火加回火20沖擊（協(xié)議）2007MNMOVR1060調(diào)質(zhì)20沖擊2012MNNIVR1060調(diào)質(zhì)20沖擊20低溫用鋼板66040沖擊4016MNDR60120正火,正火加回火30沖擊3015MNNIDR660正火,正火加回火45沖擊4515MNNINBDR1060正火,正火加回火50沖擊5009MNNIDR6120正火,正火加回火70沖擊7008NI3DR6100正火,正火加回火,調(diào)質(zhì)100沖擊10006NI9DR640612調(diào)質(zhì)（或兩次正火加回火）196沖擊19607MNNIVDR1060調(diào)質(zhì)40沖擊4007MNNIMODR1050調(diào)質(zhì)50沖擊5010表4高合金鋼鋼板許用應(yīng)力在下列溫度下的許用應(yīng)力，MPA鋼號鋼板標(biāo)準(zhǔn)厚度MM20100150200250300350400450500525550575600625650675700725750775800注S11306GB245111525137126123120119117112109S11348GB24511152511310410110099979590S11972GB24511158154154149142136131125S21953GB245111580233233223217210203S22253GB245111580230230230230223217S22053GB24511158023023023023022321713713713713012211411110710310098917964524232271S30408GB245111580137114103969085827976747371676252423227120120118110103989491881S30403GB245111580120988781767369676513713713713012211411110710310098917964524232271S30409GB24511158013711410396908582797674737167625242322713713713713713413012512211911511310584614331231915121081S31008GB245111580137121111105999693908885848381614331231915121081371371371341251181131111091071061059681655038301S31608GB24511158013711710799938784828179787876736550383011表4續(xù)在下列溫度下的許用應(yīng)力，MPA鋼號鋼板標(biāo)準(zhǔn)厚度MM20100150200250300350400450500525550575600625650675700725750775800注120120117108100959086841S31603GB24511158012098878074706764621371371371341251181131111091071S31668GB245111580137117107999387848281791371371371341251181131111091071061059681655038301S31708GB2451115801371171079993878482817978787673655038301371371371341251181131111091S31703GB245111580137117107999387848281137137137130122114111108105103101835844332518131S32168GB2451115801371141039690858280787675745844332518131471471471471441311221S39042GB2451115801471371271171079790注1該行許用應(yīng)力僅適用于允許產(chǎn)生微量永久變形之元件，對于法蘭或其他有微量永久變形就引起泄漏或故障的場合不能采用。12表5碳素鋼和低合金鋼鋼管許用應(yīng)力室溫強(qiáng)度指標(biāo)在下列溫度（）下的許用應(yīng)力，MPA鋼號鋼管標(biāo)準(zhǔn)使用狀態(tài)壁厚MMRMMPARELMPA20100150200250300350400425450475500525550575600注10GB/T8163熱軋103352051241211151089889827570614120GB/T8163熱軋104102451521471401311171089888836141Q345DGB/T8163正火10470345174174174174167153143125936643163352051241211151089889827570614110GB9948正火16303351951241171111059585797367614116410245152147140131117108988883614120GB9948正火1630410235152140133124111102938378614116410245152147140131117108988883614120GB6479正火164041023515214013312411110293837861411649032018118118016715314013012393664316MNGB6479正火164049031018118117316014713312311793664316410205137121115108101958882807977745012CRMOGB9948正火加回火163041019513011711110598918579777574725016440235157140131124117108101959391908858371630440225150133124117111103979189878685583715CRMOGB9948正火加回火305044021514312711711110597928785848381583712CR2MOL正火加回火304502801671671631571531501471431401371198961463711639019513011711110810510198959391836246352618LCR5MOGB9948退火163039018512311110510198959188868582624635261812CRLMOVGGB5310正火加回火30470255170153143133127117111105103100989582594113表5（續(xù)）室溫強(qiáng)度指標(biāo)在下列溫度（）下的許用應(yīng)力，MPA鋼號鋼管標(biāo)準(zhǔn)使用狀態(tài)壁厚MMRMMPARELMPA20100150200250300350400425450475500525550575600注09MND正火8420270156156150143130120110109MNNID正火8440280163163157150143137127108CR2ALMO正火加回火8400250148148140130123117109CRCUSB正火83902451441441371271注1該鋼管的技術(shù)要求見（4材料的補(bǔ)充規(guī)定）。表6低溫用鋼管的使用溫度下限鋼號鋼管標(biāo)準(zhǔn)使用狀態(tài)壁厚，MM沖擊試驗(yàn)溫度，16MNGB6479正火404009MND正火85009MNNID正火87014表7高合金鋼鋼管許用應(yīng)力在下列溫度（）下的許用應(yīng)力，MPA鋼號鋼管標(biāo)準(zhǔn)壁厚MM20100150200250300350400450500525550575600625650675700725750775800注137137137130122114111107103100989179645242322710CR18NI9（S30408）GB1329614137114103969085827976747371676252423227137137137130122114111107103100989179645242322710CR18NI9（S30408）GB/T149762813711410396908582797674737167625242322711711711711010398949188100CR19NI10（S30403）GB1329614117978781767369676511711711711010398949188100CR19NI10（S30403）GB/T149762811797878176736967651371371371301221141111081051031018358443325181310CR18NI10TI（S32168）GB13296141371141039690858280787675745844332518131371371371301221141111081051031018358443325181310CR18NI10TI（S32168）GB/T149762813711410396908582807876757458443325181313713713713412511811311110910710610596816550383010CR17NI12MO2（S31608）GB132961413711710799938784828179787876736550383013713713713412511811311110910710610596816550383010CR17NI12MO2（S31608）GB/T14976281371171079993878482817978787673655038301171171171081009590868400CR17NI14MO2（S31603）GB/T1329614117978780747067646200CR17NI14MO2（S31603）GB/T149762811711711710810095908684115117978780747067646213713713713412511811311110910710CR18NI12MO2TI（S31668）GB132961413711710799938784828179表7（續(xù)）在下列溫度（）下的許用應(yīng)力，MPA鋼號鋼管標(biāo)準(zhǔn)壁厚MM20100150200250300350400450500525550575600625650675700725750775800注13713713713412511811311110910710CR18NI12MO2TI（S31668）GB/T14976281371171079993878482817913713713713412511811311110910710610596816550383010CR19NI13MO3（S31708）GB132961413711710799938784828179787876736550383013713713713412511811311110910710610596816550383010CR19NI13MO3（S31708）GB/T1497628137117107999387848281797878767365503830117117117117117117113111109100CR19NI13MO3（S31703）GB1329614117117107999387848281117117117117117117113111109100CR19NI13MO3（S31703）GB/T1497628117117107999387848281137137137137134130125122119115113105846143312319151210810CR25NI20（S31008）GB132961413712111110599969390888584838161433123191512108137137137137134130125122119115113105846143312319151210810CR25NI20（S31008）GB/T1497628137121111105999693908885848381614331231915121081CR19NI9（S30409）GB13296141371371371301221141111071031009891796452423227116137114103969085827976747371676252423227S21953GB/T2183312233233223217210203表7（續(xù)）在下列溫度（）下的許用應(yīng)力，MPA鋼號鋼管標(biāo)準(zhǔn)壁厚MM20100150200250300350400450500525550575600625650675700725750775800注S22253GB/T2183312230230230230223217S22053GB/T2183312243243243243240233S25073GB/T2183312296296296280267257116116116111104979491888583776754443627231，2S30408GB/T1277128116978882777270676563626057534436272329999999488838077751，2S30403GB/T127712899827469656259575521161161161141061009694939190898269554332261，2S31608GB/T1277128116999184797471706967666665625543322629999999285817773711，2S31603GB/T12771289982746863605754532116116116111104979492898886714937282115111，2S32168GB/T127712811697888277727068666564634937282115112116116116111104979491888583776754443627231，2S30408GB/T24593411697888277727067656362605753443627232S30403GB/T2459349999999488838077751，21799827469656259575521161161161141061009694939190898269554332261，2S31608GB/T24593411699918479747170696766666562554332262表7（續(xù)）在下列溫度（）下的許用應(yīng)力，MPA鋼號鋼管標(biāo)準(zhǔn)壁厚MM20100150200250300350400450500525550575600625650675700725750775800注9999999285817773711，2S31603GB/T2459349982746863605754532116116116111104979492898886714937282115111，2S32168GB/T24593411697888277727068666564634937282115112S21953GB/T21832201981981901851791732S22253GB/T21832201961961961961901852S22053GB/T21832202072072072072041982注1該行許用應(yīng)力僅適用于允許產(chǎn)生微量永久變形之元件，對于法蘭或其他有微量永久變形就引起泄漏或故障的場合不能采用。注2該行許用應(yīng)力已乘焊接接頭系數(shù)085。183鋼鍛件31碳素鋼和低合金鋼鋼鍛件311鋼鍛件的使用溫度下限按表8的規(guī)定。312鋼鍛件的標(biāo)準(zhǔn)、使用狀態(tài)及許用應(yīng)力按表9的規(guī)定。32高合金鋼鋼鍛件鋼鍛件的標(biāo)準(zhǔn)、公稱厚度范圍及許用應(yīng)力按表10的規(guī)定。鋼鍛件的交貨狀態(tài)應(yīng)按NB/T47010的規(guī)定。表8鋼鍛件的使用溫度下限鋼號公稱厚度MM沖擊試驗(yàn)要求使用溫度下限中常溫用鋼鍛件0沖擊02030020沖擊2010003510030020沖擊200沖擊016MN30020沖擊200沖擊020MNMO70020沖擊2020MNMONB5000沖擊020MNNIMO50020沖擊2035CRMO5000沖擊20低溫用鋼鍛件10045沖擊4516MND10030040沖擊4030040沖擊4020MNMOD30070030沖擊3008MNNIMOVD30040沖擊4010NI3MOVD30050沖擊5009MNNID30070沖擊7008NI3D300100沖擊100注20、16MN和20MNMO鋼鍛件如進(jìn)行20沖擊試驗(yàn)，應(yīng)在設(shè)計(jì)文件中注明。19表9碳素鋼和低合金鋼鋼鍛件許用應(yīng)力室溫強(qiáng)度指標(biāo)在下列溫度下的許用應(yīng)力，MPA鋼號鋼鍛件標(biāo)準(zhǔn)使用狀態(tài)公稱厚度MMRMMPARELMPA20100150200250300350400425450475500525550575600注100410235152140133124111102938684614110020040022514813312711910798898280614120NB/T47008正火、正火加回火200300380205137123117109989082757361411005102651771571501371241151059885614135NB/T47008正火、正火加回火10030049024516315014313312111110195856141110048030517817816715013712311711093664310020047029517417416314713312011310793664316MNNB/T47008正火、正火加回火，調(diào)質(zhì)2003004502751671671571431301171101039366433005303701961961961961961901831731671318449300500510350189189189189187180173163157131844920MNMONB/T47008調(diào)質(zhì)500700490330181181181181180173167157150131844930062047023023023023023023023023023017711720MNMONBNB/T47008調(diào)質(zhì)30050061046022622622622622622622622622617711720MNNIMONB/T47008調(diào)質(zhì)500620450230230230230230230230230300620440230230230230230230223213197150111795035CRMONB/T47008調(diào)質(zhì)3005006104302262262262262262262232131971501117950130048028017817016015014313312712011711311088583715CRMONB/T47008正火加回火，調(diào)質(zhì)30050047027017416315314313712712011311010710388583730049029018118017016015314714013313012712280543314CRLMONB/T47008正火加回火，調(diào)質(zhì)30050048028017817316315314714013312712312011780543320表9續(xù)室溫強(qiáng)度指標(biāo)在下列溫度下的許用應(yīng)力，MPA鋼號鋼鍛件標(biāo)準(zhǔn)使用狀態(tài)公稱厚度MMRMMPARELMPA20100150200250300350400425450475500525550575600注3005103101891871801731701671631601571471198961463712CR2MOLNB/T47008正火加回火，調(diào)質(zhì)3005005003001851831771701671631601571531471198961463730047028017417016015314714013312712312011711382594112CRLMOVNB/T47008正火加回火，調(diào)質(zhì)3005004602701701631531471401331271201171131101078259413005904202192192192192192192192192191931631341047212CR2MOLVNB/T47008正火加回火，調(diào)質(zhì)3005005804102152152152152152152152152151931631341047230059042021921921921921921921921921919312CR3MOLVNB/T47008正火加回火，調(diào)質(zhì)3005005804102152152152152152152152152151931CR5MONB/T47008正火加回火，調(diào)質(zhì)50059039021921921921921721321019013610783624635261810048030517817816715013712311710020047029517417416314713312011316MNDNB/T47009調(diào)質(zhì)20030045027516716715714313011711030053037019619619619619619018330050051035018918918918918718017320MNMODNB/T47009調(diào)質(zhì)50070049033018118118118118017316708MNNIMOVDNB/T47009調(diào)質(zhì)30060048022222222222210NI3MOVDNB/T47009調(diào)質(zhì)30060048022222222222220044028016316315715014313712709MNNIDNB/T47009調(diào)質(zhì)20030043027015915915014313713012008NI3DNB/T47009調(diào)質(zhì)300460260170注1該鋼鍛件不得用于焊接結(jié)構(gòu)。21表10高合金鋼鋼鍛件許用應(yīng)力在下列溫度（）下的許用應(yīng)力，MPA鋼號鋼鍛件標(biāo)準(zhǔn)公稱厚度MM20100150200250300350400450500525550575600625650675700725750775800注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注該行許用應(yīng)力僅適用于允許產(chǎn)生微量永久變形之元件，對于法蘭或其他有微量永久變形就引起泄漏或故障的場合不能采用。224材料的補(bǔ)充規(guī)定41低合金鋼鋼板41112CR2MO1VR鋼板的技術(shù)要求如下A鋼的化學(xué)成分（熔煉分析）按表11的規(guī)定；表11化學(xué)成分，CSIMNPSCRMO01101501003006000100005200250090110VCUNINBTIBCA0250350200250070030000200015B鋼板的成品化學(xué)分析允許偏差P0003，S0002，其他元素按GB/T222中表2的規(guī)定或按供需雙方協(xié)議；C鋼板以正火（允許水冷加速冷卻）加回火熱處理狀態(tài)交貨，回火溫度不低于675；D鋼板應(yīng)逐熱處理張進(jìn)行力學(xué)性能試驗(yàn)，其結(jié)果按表12的規(guī)定。表12拉伸試驗(yàn)（橫向）沖擊試驗(yàn)（橫向）公稱厚度MMRMMPARELMPAA試驗(yàn)溫度KV2J3012059076041517206023E根據(jù)需方要求，鋼板可進(jìn)行彎曲試驗(yàn)，彎心直徑為3倍試樣厚度，彎曲角度為180。彎曲試驗(yàn)后，試樣彎曲外表面無肉眼可見裂紋；F鋼板在化學(xué)成分和力學(xué)性能等方面的特殊要求由供需雙方協(xié)議；G本條未規(guī)定事項(xiàng)均按GB713的相關(guān)規(guī)定。41215MNNINBDR鋼板的技術(shù)要求如下A鋼的化學(xué)成分（熔煉分析）按表13的規(guī)定；表13化學(xué)成分，CSIMNPSNINB0180150501201600020001003007000150040B鋼板以正火或正火加回火熱處理狀態(tài)交貨；C鋼板的力學(xué)性能試驗(yàn)結(jié)果按表14的規(guī)定；D根據(jù)需方要求，鋼板可進(jìn)行彎曲試驗(yàn)，彎心直徑為3倍試樣厚度，彎曲角度為180。彎曲試驗(yàn)后，試樣彎曲外表面無肉眼可見裂紋；E本條未規(guī)定事項(xiàng)均按GB3531的相關(guān)規(guī)定。表14拉伸試驗(yàn)（橫向）沖擊試驗(yàn)（橫向）公稱厚度MMRMMPARELMPAA試驗(yàn)溫度KV2J1016530630370163653063036036605206203502050602441308NI3DR鋼板的技術(shù)要求如下A鋼的化學(xué)成分（熔煉分析）按表15的規(guī)定；表15化學(xué)成分，CSIMNPSNIMOV01001503503008000150010325370012005B鋼板以正火、正火（允許水冷加速冷卻）加回火、離線淬火加回火熱處理狀態(tài)交貨，回火溫度不低于600；C鋼板的力學(xué)性能試驗(yàn)結(jié)果按表16的規(guī)定。以正火（水冷加速冷卻）加回火和離線淬火加回火狀態(tài)交貨的鋼板，應(yīng)逐熱處理張進(jìn)行力學(xué)性能試驗(yàn)；表16拉伸試驗(yàn)（橫向）沖擊試驗(yàn)（橫向）公稱厚度MMRMMPARELMPAA試驗(yàn)溫度KV2J6604906203206010048061030021