火力發(fā)電廠溫度計套管選型導(dǎo)則

T/CECXXXX-XXXXIT/CECXXXX-XXXX前言本文件按照GB/T1.1—2020《標準化工作導(dǎo)則第1部分：標準的結(jié)構(gòu)和編寫》給出的規(guī)則起草。本文件是參考了美國機械工程師協(xié)會標準《溫度計套管》(ASMEPTC19.3TW-2016)，并結(jié)合國內(nèi)實際使用情況而制定的。在使用本文件時，應(yīng)考慮溫度計套管的實際應(yīng)用條件，并遵照制造廠家的具體要求執(zhí)行。請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機構(gòu)不承擔識別這些專利的責任。本文件由中國電力企業(yè)聯(lián)合會提出。本文件由電力行業(yè)熱工自動化與標準信息化技術(shù)委員會歸口。本文件主要起草單位：廣東省電力設(shè)計研究院有限公司、重慶川儀十七廠有限公司、安徽天康（集團）有限公司。本文件主要起草人：陳曉鋒、楊曉波、李海嵩、劉宇穗、包坤、王小博、……。本文件為首次發(fā)布。本文件在執(zhí)行過程中的意見或建議反饋至中國電力企業(yè)聯(lián)合會標準化管理中心（北京市白廣路二條一號）。目次前言 I1 范圍 12 規(guī)范性引用文件 13 術(shù)語和定義 14 結(jié)構(gòu)和尺寸 75 材料 116 計算 127 計算概述 258 計算示例 28附錄A（資料性附錄）火力發(fā)電廠溫度計套管常用材料許用應(yīng)力 45附錄B（資料性附錄）火力發(fā)電廠溫度計套管常用材料彈性模量 51前言本文件按照GB/T1.1—2020《標準化工作導(dǎo)則第1部分：標準的結(jié)構(gòu)和編寫》給出的規(guī)則起草。本文件是參考了美國機械工程師協(xié)會標準《溫度計套管》(ASMEPTC19.3TW-2016)，并結(jié)合國內(nèi)實際使用情況而制定的。在使用本文件時，應(yīng)考慮溫度計套管的實際應(yīng)用條件，并遵照制造廠家的具體要求執(zhí)行。請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機構(gòu)不承擔識別這些專利的責任。本文件由中國電力企業(yè)聯(lián)合會提出。本文件由電力行業(yè)熱工自動化與標準信息化技術(shù)委員會歸口。本文件主要起草單位：廣東省電力設(shè)計研究院有限公司、重慶川儀十七廠有限公司、安徽天康（集團）有限公司。本文件主要起草人：陳曉鋒、楊曉波、李海嵩、劉宇穗、包坤、王小博、……。本文件為首次發(fā)布。本文件在執(zhí)行過程中的意見或建議反饋至中國電力企業(yè)聯(lián)合會標準化管理中心（北京市白廣路二條一號）。附錄A（資料性）火力發(fā)電廠溫度計套管常用材料許用應(yīng)力表A.1 國標碳素鋼和低合金鋼鍛件許用應(yīng)力鋼號標準公稱厚度

mm在下列溫度下（℃）的許用應(yīng)力/Mpa注≤2010015020025030035040042545047550052555057560020NB/T47008≤100152140133124111102938684614135NB/T47008≤10017715715013712411510595856141116MnNB/T47008≤10017817816715013712311711093664320MnMoNB/T47008≤300196196196196196190183173167131844920MnMoNbNB/T47008≤30023023023023023023023023023017711720MnNiMoNB/T47008≤50023023023023023023023023035CrMoNB/T47008≤3002302302302302302302232131971501117950115CrMoNB/T47008≤30017817016015014313312712011711311088583714Cr1MoNB/T47008≤30018118017016015314714013313012712280543312Cr2Mo1NB/T47008≤3001891871801731701671631601571471198961463712Cr1MoVNB/T47008≤30017417016015314714013312712312011711382594112Cr2Mo1VNB/T47008≤3002192192192192192192192192191931631341047212Cr3Mo1VNB/T47008≤3002192192192192192192192192191931Cr5MoNB/T47008≤50021921921921921721321019013610783624635261816MnDNB/T47009≤10017817816715013712311720MnMoDNB/T47009≤30019619619619619619018308MnNiMoVDNB/T47009≤30022222222222210Ni3MoVDNB/T47009≤30022222222222209MnNiDNB/T47009≤20016316315715014313712708Ni3DNB/T47009≤300170注1：該鋼鍛件不得用于焊接結(jié)構(gòu)。

注2：本表的許用應(yīng)力數(shù)據(jù)取自GB150.2-2011表9。棒材的公稱厚度為其直徑。相鄰溫度數(shù)值之間的許用應(yīng)力可用數(shù)學內(nèi)插法確定，但需舍棄小數(shù)點后數(shù)字。表A.2 國標高合金鋼鍛件許用應(yīng)力鋼號標準公稱厚度mm在下列溫度下（℃）的許用應(yīng)力/Mpa注≤20100150200250300350400450500525550575600625650675700725750775800S11306NB/T47010≤150137126123120119117112109S30408NB/T47010≤30013713713713012211411110710310098917964524232271137114103969085827976747371676252423227S30403NB/T47011≤3001171171171101039894918811179887817673696765S30409NB/T47012≤30013713713713012211411110710310098917964524232271137114103969085827976747371676252423227S31008NB/T47013≤3001371371371371341301251221191151131058461433123191512108113712111110599969390888584838161433123191512108S31608NB/T47014≤3001371371371341251181131111091071061059681655038301137117107999387848281797878767365503830S31603NB/T47015≤3001171171171081009590868411179887807470676462S31668NB/T47016≤300137137137134125118113111109107113711710799938784828179S31703NB/T47017≤3001301301301301251181131111091130117107999387848281S32168NB/T47018≤300137137137130122114111108105103101835844332518131137114103969085828078767574584433251813S39042NB/T47019≤30014714714714714413112211471371271171079790S21953NB/T47010≤150219210200193187180S22253NB/T47010≤150230230230230223217S22053NB/T47010≤150230230230230223217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露或故障的場合不能采用。注2：本表的許用應(yīng)力數(shù)據(jù)取自GB150.2-2011表11。相鄰溫度數(shù)值之間的許用應(yīng)力可用數(shù)學內(nèi)插法確定，但需舍棄小數(shù)點后數(shù)字。表A.3 美標ASTM碳素鋼、低合金鋼及不銹鋼鍛件許用應(yīng)力材料標準

(ASTM)鋼號在下列溫度(℃)下的許用應(yīng)力/MPa注01001502002503003504004254504755005255505756006256481碳素鋼A105A105137137137137135129121101831低合金鋼A182F11371371371371371371371371371331A182F213713713713713713713713713713312986511A182F11(class1)117117117115112109105101999694745237251A182F11(class2)137137137137137137137135132129103755237251A182F11(class3)147147147147147147147147147140106755237251A182F12117115113113113112109106105103100856241271A182F2114714714414214114013813513312699745541291A182F22(class1)11711711411411411411411411411499816448341A182F22(class3)147147144142141140138135133129114896545301A182F9167166162161160158154147142136118896243302014101A182F91167167167166166164160152147141133125117105876545301A182F9217717717416916516115615114814414013512912399.57756.539.72不銹鋼A182F3041371131039590858279777674737270686451421A182F304137136130126121116111106104103101999791796451421,3A182F304H1371131039590858279777674737270686451421A182F304H137136130126121116111106104103101999791796451421,3A182F3161371171079992888482818079787877767465511A182F316137137137133125119115110109108107106105104978165511,3A182F316H1371171079992888482818079787877767465511A182F316H137137137133125119115110109108107106105104978165511,3A182F316L11596878176726967666563626058545244441A182F316L115115114108103989490898786838278736858441,3注1：許用應(yīng)力數(shù)據(jù)取自ASEMB31.1-2020附錄A。相鄰溫度數(shù)值之間的許用應(yīng)力可用數(shù)學內(nèi)插法確定，但需舍棄小數(shù)點后數(shù)字。注2：許用應(yīng)力數(shù)據(jù)取自ASEMBPVC.CC.BPV-2021CASE2179-9Table2M。注3：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露或故障的場合不能采用。

表A.4 美標ASTM不銹鋼棒材許用應(yīng)力材料標準

(ASTM)鋼號在下列溫度(℃)下的許用應(yīng)力/Mpa注0100150200250300350400425450475500525550575600625648奧氏體不銹鋼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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露或故障的場合不能采用。注2：本表的許用應(yīng)力數(shù)據(jù)取自ASEMB31.1-2020附錄A。相鄰溫度數(shù)值之間的許用應(yīng)力可用數(shù)學內(nèi)插法確定，但需舍棄小數(shù)點后數(shù)字。表A.5 符合EN10216-2標準材料的許用應(yīng)力鋼號P265GH16Mo313CrMo4-510CrMo9-1014MoV6-315NiGuMoNb

5-6-4X10CrMo

VNb9-1X10CrWMo

VNb9-2X11CrMo

WVNb9-1-1X20CrMo

WV11-11.04251.54151.73351.73801.77151.63681.49031.49011.49051.4922在下列溫度下（℃）的許用應(yīng)力/Mpa20136.7150146.7160153.3203.3210206.7206.7230150136.7150146.7160153.3203.3210206.7206.7230200128149.3146.7156153.3203.3210206.7206.7230250114136.7146.7149.3153.3203.3210206.7206.7230300102.7115.3128146150203.3210206.7206.723035094106121.3141.3144203.3210206.7206.723040089.3104116138139.3203.3210206.7206.723041085.3103.2115.2136.1138.5203.3210206.7206.723042076102.4114.4134.3137.7203.3210206.7206.723043066.7101.6113.6132.4136.9200210206.7206.722844058.7100.8112.8130.5136.1182210206.7206.722445051.3100112128.7135.3163.3210206.7206.72204604499.5111.7126.9134.9140210206.7206.7214.747037.398.9111.5125.2134.5116.7208206.7206.7209.348031.398.4111.2118134.192.7205.3206.7206.7192.749082.7110.9106.7133.369.3202.7206.7206.7175.35006896.79411846172206.7206.7157.351055.380.782.7103.3159.3206.7206.7141.352043.366.77090146.7156.7146.7125.35303453.363.378134145.3136111.3續(xù)表A.5鋼號P265GH16Mo313CrMo4-510CrMo9-1014MoV6-315NiGuMoNb

5-6-4X10CrMo

VNb9-1X10CrWMo

VNb9-2X11CrMo

WVNb9-1-1X20CrMo

WV11-11.04251.54151.73351.73801.77151.63681.49031.49011.49051.4922在下列溫度下（℃）的許用應(yīng)力/Mpa54043.35468122134.7125.39855035.346.758110.7124.7115.385.356029.340.750100114.7104.77457025.335.343.389.3104.794.763.358030.78094.7845459070.784.7744660062.775.365.339.361055.366.756.73462048.7585028.763043.35043.324注1：本表的許用用應(yīng)力數(shù)據(jù)取自DL/T5054-2016附錄A表A.04。相鄰溫度數(shù)值之間的許用應(yīng)力可用數(shù)學內(nèi)插法確定，但需舍棄小數(shù)點后數(shù)字。注3：表中粗線下方的數(shù)據(jù)是按EN10216-2:2002/A2:2007中105h蠕變斷裂強度值計算所得。附錄B（資料性）火力發(fā)電廠溫度計套管常用材料彈性模量表B.1 國標鋼材的彈性模量鋼類在下列溫度（℃）下的彈性模量E/103MPa-196-100-4020100150200250300350400450500550600650700碳素鋼、碳錳鋼205201197194191188183178170160149錳鉬鋼、鎳鋼214209205200196193190187183178170160149鉻(0.5%~2%)鉬(0.2%~0.5%)鋼208204200197193190186183179174169164鉻(2.25%~3%)鉬(1.0%)鋼215210206202199196192188184180175169162鉻(5%~9%)鉬(0.5%~1.0%)鋼218213208205201198195191187183179174168161鉻鋼(12%~17%)206201195192189186182178173166157145131奧氏體鋼(Cr18Ni8~Cr25Ni20)209203199195189186183179176172169165160156151146140奧氏體-鐵素體鋼(Cr18Ni5~Cr25Ni7)200194190186183180注1：本表的許用應(yīng)力數(shù)據(jù)取自GB150.2-2011附錄B剛才高溫性能參考值，表B.13。相鄰溫度數(shù)值之間的許用應(yīng)力可用數(shù)學內(nèi)插法確定，但需舍棄小數(shù)點后數(shù)字。

表B.2 美標ASTM鐵基材料的彈性模量材料在下列溫度(℃)下的彈性模量（表值×103Mpa）（注1）-7525100150200250300350400450500550600650700750800碳鋼（C≤0.3%）209202198195192189185179171162151137122107碳鋼（C＞0.3%）2072011971941911881831781701611491