火力发电厂温度计套管选型导则

T/CECXXXX-XXXXIT/CECXXXX-XXXX前言本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准的结构和编写》给出的规则起草。本文件是参考了美国机械工程师协会标准《温度计套管》(ASMEPTC19.3TW-2016)，并结合国内实际使用情况而制定的。在使用本文件时，应考虑温度计套管的实际应用条件，并遵照制造厂家的具体要求执行。请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别这些专利的责任。本文件由中国电力企业联合会提出。本文件由电力行业热工自动化与标准信息化技术委员会归口。本文件主要起草单位：广东省电力设计研究院有限公司、重庆川仪十七厂有限公司、安徽天康（集团）有限公司。本文件主要起草人：陈晓锋、杨晓波、李海嵩、刘宇穗、包坤、王小博、……。本文件为首次发布。本文件在执行过程中的意见或建议反馈至中国电力企业联合会标准化管理中心（北京市白广路二条一号）。目次前言 I1 范围 12 规范性引用文件 13 术语和定义 14 结构和尺寸 75 材料 116 计算 127 计算概述 258 计算示例 28附录A（资料性附录）火力发电厂温度计套管常用材料许用应力 45附录B（资料性附录）火力发电厂温度计套管常用材料弹性模量 51前言本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准的结构和编写》给出的规则起草。本文件是参考了美国机械工程师协会标准《温度计套管》(ASMEPTC19.3TW-2016)，并结合国内实际使用情况而制定的。在使用本文件时，应考虑温度计套管的实际应用条件，并遵照制造厂家的具体要求执行。请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别这些专利的责任。本文件由中国电力企业联合会提出。本文件由电力行业热工自动化与标准信息化技术委员会归口。本文件主要起草单位：广东省电力设计研究院有限公司、重庆川仪十七厂有限公司、安徽天康（集团）有限公司。本文件主要起草人：陈晓锋、杨晓波、李海嵩、刘宇穗、包坤、王小博、……。本文件为首次发布。本文件在执行过程中的意见或建议反馈至中国电力企业联合会标准化管理中心（北京市白广路二条一号）。附录A（资料性）火力发电厂温度计套管常用材料许用应力表A.1 国标碳素钢和低合金钢锻件许用应力钢号标准公称厚度

mm在下列温度下（℃）的许用应力/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：该钢锻件不得用于焊接结构。

注2：本表的许用应力数据取自GB150.2-2011表9。棒材的公称厚度为其直径。相邻温度数值之间的许用应力可用数学内插法确定，但需舍弃小数点后数字。表A.2 国标高合金钢锻件许用应力钢号标准公称厚度mm在下列温度下（℃）的许用应力/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：该行许用应力仅适用于允许产生微量永久变形之元件，对于法兰或其他有微量永久变形就引起泄露或故障的场合不能采用。注2：本表的许用应力数据取自GB150.2-2011表11。相邻温度数值之间的许用应力可用数学内插法确定，但需舍弃小数点后数字。表A.3 美标ASTM碳素钢、低合金钢及不锈钢锻件许用应力材料标准

(ASTM)钢号在下列温度(℃)下的许用应力/MPa注01001502002503003504004254504755005255505756006256481碳素钢A105A105137137137137135129121101831低合金钢A182F11371371371371371371371371371331A182F213713713713713713713713713713312986511A182F11(class1)117117117115112109105101999694745237251A182F11(class2)137137137137137137137135132129103755237251A182F11(class3)147147147147147147147147147140106755237251A182F12117115113113113112109106105103100856241271A182F2114714714414214114013813513312699745541291A182F22(class1)11711711411411411411411411411499816448341A182F22(class3)147147144142141140138135133129114896545301A182F9167166162161160158154147142136118896243302014101A182F91167167167166166164160152147141133125117105876545301A182F9217717717416916516115615114814414013512912399.57756.539.72不锈钢A182F3041371131039590858279777674737270686451421A182F304137136130126121116111106104103101999791796451421,3A182F304H1371131039590858279777674737270686451421A182F304H137136130126121116111106104103101999791796451421,3A182F3161371171079992888482818079787877767465511A182F316137137137133125119115110109108107106105104978165511,3A182F316H1371171079992888482818079787877767465511A182F316H137137137133125119115110109108107106105104978165511,3A182F316L11596878176726967666563626058545244441A182F316L115115114108103989490898786838278736858441,3注1：许用应力数据取自ASEMB31.1-2020附录A。相邻温度数值之间的许用应力可用数学内插法确定，但需舍弃小数点后数字。注2：许用应力数据取自ASEMBPVC.CC.BPV-2021CASE2179-9Table2M。注3：该行许用应力仅适用于允许产生微量永久变形之元件，对于法兰或其他有微量永久变形就引起泄露或故障的场合不能采用。

表A.4 美标ASTM不锈钢棒材许用应力材料标准

(ASTM)钢号在下列温度(℃)下的许用应力/Mpa注0100150200250300350400425450475500525550575600625648奥氏体不锈钢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注1：该行许用应力仅适用于允许产生微量永久变形之元件，对于法兰或其他有微量永久变形就引起泄露或故障的场合不能采用。注2：本表的许用应力数据取自ASEMB31.1-2020附录A。相邻温度数值之间的许用应力可用数学内插法确定，但需舍弃小数点后数字。表A.5 符合EN10216-2标准材料的许用应力钢号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在下列温度下（℃）的许用应力/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续表A.5钢号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在下列温度下（℃）的许用应力/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：本表的许用用应力数据取自DL/T5054-2016附录A表A.04。相邻温度数值之间的许用应力可用数学内插法确定，但需舍弃小数点后数字。注3：表中粗线下方的数据是按EN10216-2:2002/A2:2007中105h蠕变断裂强度值计算所得。附录B（资料性）火力发电厂温度计套管常用材料弹性模量表B.1 国标钢材的弹性模量钢类在下列温度（℃）下的弹性模量E/103MPa-196-100-4020100150200250300350400450500550600650700碳素钢、碳锰钢205201197194191188183178170160149锰钼钢、镍钢214209205200196193190187183178170160149铬(0.5%~2%)钼(0.2%~0.5%)钢208204200197193190186183179174169164铬(2.25%~3%)钼(1.0%)钢215210206202199196192188184180175169162铬(5%~9%)钼(0.5%~1.0%)钢218213208205201198195191187183179174168161铬钢(12%~17%)206201195192189186182178173166157145131奥氏体钢(Cr18Ni8~Cr25Ni20)209203199195189186183179176172169165160156151146140奥氏体-铁素体钢(Cr18Ni5~Cr25Ni7)200194190186183180注1：本表的许用应力数据取自GB150.2-2011附录B刚才高温性能参考值，表B.13。相邻温度数值之间的许用应力可用数学内插法确定，但需舍弃小数点后数字。

表B.2 美标ASTM铁基材料的弹性模量材料在下列温度(℃)下的弹性模量（表值×103Mpa）（注1）-7525100150200250300350400450500550600650700750800碳钢（C≤0.3%）209202198195192189185179171162151137122107碳钢（C＞0.3%）2072011971941911881831781701611491