(高清版)GB∕T 20878-2024 不銹鋼 牌號(hào)及化學(xué)成分

不銹鋼牌號(hào)及化學(xué)成分國(guó)家市場(chǎng)監(jiān)督管理總局國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)IGB/T20878—2024本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分：標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)定起草。本文件代替GB/T20878—2007《不銹鋼和耐熱鋼牌號(hào)及化學(xué)成分》。與GB/T20878—2007相a)范圍刪除了“耐熱鋼”(見第1章，2007年版的第1章);b)刪除了“耐熱鋼”的術(shù)語和定義(見2007年版的第2章);c)更改了“奧氏體-鐵素體(雙相)不銹鋼”和的定義(見第3章，2007年版的第2章);d)更改了錳、磷、氮、銅含量極限值的確定準(zhǔn)則(見4.3,2007年版的3.3);e)增加了不銹鋼牌號(hào)和統(tǒng)一數(shù)字代號(hào)的表示方法的規(guī)定(見第5章和附錄A);f)更改了部分統(tǒng)一數(shù)字代號(hào)表示方法(見表1～表5、表B.1、表C.1,2007年版的表1～表5、g)更改了8個(gè)牌號(hào)的化學(xué)成分(見表1、表2、表3和表5,2007年版的表1、表2、表3和表5);h)增加了97個(gè)牌號(hào)及化學(xué)成分，其中奧氏體不銹鋼51個(gè)，奧氏體-鐵素體(雙相)不銹鋼14個(gè)，鐵素體不銹鋼23個(gè)，馬氏體不銹鋼8個(gè)，沉淀硬化不銹鋼1個(gè)(見表1～表5,2007年版的表1～表5);i)刪除了23個(gè)牌號(hào)及其化學(xué)成分(見表1～表5,2007年版的表1～表5)。請(qǐng)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(jī)構(gòu)不承擔(dān)識(shí)別專利的責(zé)任。本文件由中國(guó)鋼鐵工業(yè)協(xié)會(huì)提出。本文件起草單位：冶金工業(yè)信息標(biāo)準(zhǔn)研究院、山西太鋼不銹鋼股份有限公司、福建青拓特鋼技術(shù)研環(huán)精密鋼管有限公司、甘肅酒鋼集團(tuán)宏興鋼鐵股份有限公司、江蘇武進(jìn)不銹股份有限公司、國(guó)家碳素結(jié)構(gòu)鋼產(chǎn)品質(zhì)量檢驗(yàn)檢測(cè)中心(山東)、中國(guó)石化工程建設(shè)有限公司、山東省特種設(shè)備檢驗(yàn)研究院集團(tuán)有限市天盛不銹鋼制品有限公司、泰州市吉強(qiáng)不銹鋼制品有限公司、浙江正同管業(yè)有限公司、浙江康帕斯流體技術(shù)股份有限公司。本文件及其所代替文件的歷次版本發(fā)布情況為：——2007年第一次修訂為GB/T20878—2007;2除非作為合金元素，管材及其相關(guān)產(chǎn)品硅含量宜不大于0.75%,長(zhǎng)條材和鍛件硅含量宜不大于注：某些Cr-Mn-Ni或Cr-Mn-Ni-N不銹鋼的磷含量可不大于0.060%。除非特殊技術(shù)要求較寬的成分范圍(一般含量較高),鎳含量上下限范圍宜不大于3%。鉻含量上下限范圍宜為2%,但最大不大于3%。36.3本文件不能單獨(dú)用于訂貨。本文件中不銹鋼牌號(hào)的化學(xué)成分在被產(chǎn)品標(biāo)準(zhǔn)或技術(shù)協(xié)議采用之表1奧氏體不銹鋼牌號(hào)和統(tǒng)一數(shù)字代號(hào)及其化學(xué)成分序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素1022Cr17Ni75.00~16.00~26.00~16.00~3022Cr17Ni7N5.00~16.00~0.07~48.00~17.00~52.00~8.00~17.00~6Y12Cr18Ni98.00~17.00~7Y12Cr18Ni9Se8.00~17.00~Se≥0.158Y12Cr18Ni9Cu38.00~17.00~1.50~9022Cr19Ni108.00~18.00~06Cr19Ni10a8.00~18.00~07Cr19Ni10a0.04~8.00~18.00~表1奧氏體不銹鋼牌號(hào)和統(tǒng)一數(shù)字代號(hào)及其化學(xué)成分(續(xù))U7序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素S30450a05Cr19Ni10Si2CeNa0.04~0.061.00~0.800.0450.0309.00~18.00~0.12~0.18Ce0.03～0.08S30453022Cr19Ni10N0.0300.0450.0308.00~18.00~20.000.10~0.16S3045806Cr19Ni10N0.080.0450.0308.00~18.00~20.000.10~0.16S3047806Cr19Ni9NbN0.080.0450.0307.50~18.00~20.000.15~0.30Nb0.15S3048006Cr18Ni9Cu20.080.0450.0308.00~17.00~1.00~S30483022Cr18Ni9Cu30.0300.0450.0308.00~17.00~3.00~4.00S3048806Cr18Ni9Cu30.080.0450.0308.50~17.00~3.00~4.00S30489a10Cr18Ni9NbCu3BNa0.07~0.130.300.500.0450.0307.50~17.00~2.50~0.05~0.12Nb0.30～0.60B0.0010～0.0100Al0.003～0.030S3050806Cr18Ni120.080.0450.03011.00~16.50~S3051010Cr18Ni120.120.0450.03010.50~17.00~S30548a06Cr18Ni13Si4a0.083.00~0.0450.03011.50~15.00~20.00—O表1奧氏體不銹鋼牌號(hào)和統(tǒng)一數(shù)字代號(hào)及其化學(xué)成分(續(xù))O序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素S30549a16Cr20Ni14Si2a0.201.50~0.0400.03012.00~19.00~22.00S3064020Cr18Ni15Si4Al0.16~0.243.20~4.000.0300.03013.50~17.00~—Al0.18～1.50S30808a06Cr20Ni11a0.080.0450.03010.00~19.00~21.00S30850a20Cr21Ni12SiNa0.15~0.250.75~1.00~0.0350.03010.50~20.50~22.500.300.15~0.30S3082908Cr21Ni11Si2NCe0.05~0.101.40~0.800.0350.02020.00~22.0010.00~0.14~0.20Ce0.03～0.08S30908a06Cr23Ni130.080.0450.03012.00~22.00~24.00S30920a16Cr23Ni13a0.200.0400.03012.00~22.00~24.00S30989a07Cr23Ni15Cu4NbNBa0.04~0.100.750.0300.01013.00~22.00~24.003.00~4.000.15~0.35Nb0.30～0.70B0.0020～0.0060S31002012Cr25Ni200.0150.150.0200.01519.00~22.0024.00~26.000.100.10S31008a06Cr25Ni20a0.080.0450.03019.00~22.0024.00~26.00S31009a07Cr25Ni200.04~0.100.750.0300.01519.00~22.0024.00~26.00表1奧氏體不銹鋼牌號(hào)和統(tǒng)一數(shù)字代號(hào)及其化學(xué)成分(序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素S3102020Cr25Ni20a0.250.0400.03019.00~22.0024.00~26.00S31053022Cr25Ni22Mo2N0.0300.400.0300.01521.00~23.0024.00~26.002.00~一0.10~0.16S31059a07Cr25Ni21NbNa0.04~0.100.750.0300.01519.00~22.0024.00~26.000.15~0.35Nb0.20～0.60S31089a07Ni25Cr22W4Cu3CoNbNBa0.04~0.100.400.600.0250.01523.50~26.5021.50~23.502.50~0.20~0.30Nb0.40～0.60W3.00～4.00Co1.00～2.00B0.002～0.008S31092015Ni26Cr25Mo5Cu2N0.0200.700.0300.01024.00~27.0024.00~26.004.70~1.00~0.17~0.25S31252015Cr20Ni18Mo6CuN0.0200.800.0300.01017.50~19.50~20.506.00~6.500.50~0.18~0.22S31292015Ni27Cr22Mo7CuN0.0200.500.0300.01026.00~28.0020.50~23.006.50~8.000.50~0.30~0.40S31293022Cr24Ni22Mo6Mn3W2Cu2N0.0302.00~4.000.0350.02021.00~24.0023.00~25.005.20~6.201.00~0.35~0.60W1.50～2.50S31400a16Cr25Ni20Si2a0.201.50~0.0400.03019.00~22.0024.00~26.000.10—S31603022Cr17Ni12Mo20.0300.0450.03010.00~16.00~2.00~1奧氏體不銹鋼牌號(hào)和統(tǒng)一數(shù)字代號(hào)及其化學(xué)成分(續(xù))序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素06Cr17Ni12Mo2a10.00~16.00~2.00~07Cr17Ni12Mo2a0.04~10.00~16.00~2.00~022Cr17Ni12Mo2N10.00~16.00~2.00~0.10~022Cr20Ni9MoNc8.00~19.50~0.50~0.14~06Cr17Ni12Mo2N10.00~16.00~2.00~0.10~06Cr17Ni12Mo2Ti10.00~16.00~2.00~Ti≥5C06Cr17Ni12Mo2Nb10.00~16.00~2.00~022Cr18Ni14Mo2Cu212.00~17.00~1.20~1.00~一06Cr18Ni12Mo2Cu210.00~17.00~1.20~1.00~022Cr19Ni13Mo311.00~18.00~3.00~06Cr19Nil3Mo3a11.00~18.00~3.00~O表1奧氏體不銹鋼牌號(hào)和統(tǒng)一數(shù)字代號(hào)及其化學(xué)成分(序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素S31723022Cr19Ni16Mo5N0.0300.0450.03013.50~17.00~20.004.00~0.10~0.20S31753022Cr19Ni13Mo4N0.0300.0450.03011.00~18.00~20.003.00~4.000.10~0.22S3179403Cr18Ni16Mo50.040.0450.03015.00~16.00~4.00~6.00S32050022Cr23Ni21Mo6N0.0300.0350.02020.00~23.0022.00~24.006.00~6.800.400.21~0.32一S32053022Ni25Cr23Mo6N0.0300.0300.01024.00~26.0022.00~24.005.00~6.000.17~0.22S32168a06Cr18Ni11Tia0.080.0450.0309.00~17.00~Ti5C～0.70S32169a07Cr19Ni11Tia0.04~0.100.0450.0309.00~17.00~20.000.10Ti4(C+N)～0.70S32652015Cr24Ni22Mo8Mn3CuN0.0200.502.00~4.000.0300.00521.00~23.0024.00~25.007.00~8.000.30~0.600.45~0.55S34553022Cr24Ni17Mo5Mn6NbN0.0305.00~0.0300.01016.00~23.00~25.004.00~0.40~0.60Nb0.10S34778a06Cr18Ni11Nba0.080.0450.0309.00~17.00~Nb10C～1.10S34779a07Cr18Ni11Nba0.04~0.100.0450.0309.00~17.00~Nb8C～1.10序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素7.50~1.00~14.50~1.00~0.10~8.00~1.00~13.50~0.50~0.10~8.00~1.00~13.50~0.10~20Cr15Mn15Ni2N0.15~14.00~1.50~14.00~0.15~6.00~3.50~14.00~1.00~0.05~04Cr16Mn8Cu3Ni2N7.50~1.80~15.50~2.30~0.10~022Cr16Mn8Ni2N7.00~1.50~15.00~0.15~7.00~1.00~16.00~0.15~5.00~1.00~16.00~0.50~0.20~一8.50~1.00~15.50~0.20~08Cr17Mn7Ni2Cu2N6.00~1.50~16.00~0.80~0.10~出序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素S3528508Cr17Mn6Ni3Cu3N0.100.755.00~0.0450.0302.00~4.0016.00~1.50~0.05~0.25S3528612Cr16Mn8Ni3Cu3N0.157.00~9.000.0500.0301.50~15.50~2.00~4.000.05~0.25S3535012Cr17Mn6Ni5N0.155.50~0.0500.0303.50~16.00~0.05~0.25S35353022Cr17Mn6Ni5N0.0300.755.50~0.0450.0303.50~16.00~0.05~0.25S35355022Cr17Mn7Ni5N0.0300.806.40~0.0450.0304.00~16.00~0.10~0.25S3538008Cr17Mn7Ni5Cu3N0.100.755.50~0.0450.0303.50~16.00~0.601.50~0.05~0.25一S35387Y06Cr17Mn6Ni6Cu2S0.085.00~6.500.0450.18~0.355.00~6.5016.00~1.75~S3538806Cr18Mn7Ni4CuN0.085.00~8.000.0500.0303.00~17.00~0.600.50~0.15~0.30S3545012Cr18Mn8Ni5N0.157.50~0.0500.0304.00~6.0017.00~0.05~0.25S3550012Cr18Mn12Ni2N0.1511.00~0.0450.0300.50~16.50~0.20~0.45—S3551012Cr19Mnl1Ni2CuN0.159.50~0.0500.0301.00~18.00~20.000.50~0.20~0.30序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素03Cr19Mn12Ni3N10.00~2.00~17.50~0.30~10.00~1.00~17.50~0.30~53Cr21Mn9Ni4Na0.48~8.00~3.25~20.00~0.35~05Cr19Mn6Ni5Cu2N4.00~3.50~17.50~0.50~0.20~08Cr19Mn6Ni3Cu2N4.00~2.50~17.50~0.50~0.20~55Cr21Mn8Ni2Na0.50~7.00~1.50~19.50~0.20~50Cr21Mn9Ni4Nb2WNa0.45~8.00~3.50~20.00~0.40~W0.80～1.5005Cr20Ni7Mn4N2.00~6.00~19.00~0.15~33Cr23Ni8Mn3Na0.28~0.50~1.50~7.00~22.00~0.25~05Cr22Ni13Mn5Mo2NbVN4.00~11.50~20.50~1.50~0.20~Nb0.10～0.30V0.10～0.30序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素S3588605Cr19Ni6Mn4Cu2MoN0.062.00~0.0450.0305.00~18.00~20.000.50~0.50~0.20~0.30S3588705Cr21Ni10Mn3Cu2Mo2N0.061.00~4.000.0450.0308.50~20.00~22.001.00~0.50~0.20~0.30S38367022Ni24Cr21Mo6N0.0300.0400.03023.50~25.5020.00~22.006.00~0.750.18~0.25S38377a12Ni35Cr160.150.0400.03033.00~37.0014.00~—S3840003Ni18Cr160.040.0450.03017.00~15.00~S3840806Ni18Cr160.080.0450.03017.00~15.00~S38843022Ni16Cr14Si6MoCu0.0305.50~6.500.0450.02015.00~13.00~0.75~0.75~Al0.30S38926015Ni25Cr20Mo6CuN0.0200.500.0300.01024.00~26.0019.00~21.006.00~0.50~0.15~0.25S39042015Cr21Ni26Mo5Cu20.0200.0400.03023.00~28.0019.00~23.004.00~1.00~0.10注：表中所列成分除標(biāo)明范圍或最小值外，其余均為最大值。序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素022Cr20Mn5Ni2N4.00~1.00~19.50~0.05~022Cr21Ni4Mo2N3.00~19.50~1.50~0.14~022Cr21Mn2Ni2MoN2.00~1.00~20.50~0.10~0.15~03Cr22Mn5Ni2CuMoN4.00~1.35~21.00~0.10~0.10~0.20~022Cr19Ni5Mo3Si2N1.30~1.00~4.50~18.00~2.50~0.05~022Cr23Ni2N1.00~21.50~0.18~022Cr23Ni5Mo3N4.50~22.00~3.00~0.14~022Cr21Mn3Ni3Mo2N2.00~2.00~19.00~1.00~0.14~0.09~4.80~20.00~Ti5(C—0.02)～0.80022Cr22Ni5Mo3N4.50~21.00~2.50~0.08~022Cr24Ni4Mn3Mo2CuN2.50~3.00~23.00~1.00~0.10~0.20~表2奧氏體-鐵素體(雙相)不銹鋼牌號(hào)和統(tǒng)一數(shù)字代號(hào)及其化學(xué)成分(續(xù))序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素S22553022Cr25Ni6Mo2N0.0300.0300.0305.50~6.5024.00~26.001.20~0.10~0.20S22583022Cr25Ni7Mo3WCuN0.0300.750.0300.0305.50~24.00~26.002.50~0.20~0.800.10~0.30W0.10～0.50S22582019Cr25Ni7Mo4Cu2WN0.0250.800.0250.0026.50~8.0024.00~26.003.00~4.001.20~0.23~0.33W0.80～1.20S22584022Cr25Ni7Mo3W2CuN0.0300.800.0300.0206.00~8.0024.00~26.002.50~0.20~0.800.24~0.32W1.50～2.50S23043022Cr23Ni4MoCuN0.0300.0350.0303.00~21.50~24.500.05~0.600.05~0.600.05~0.20S25073022Cr25Ni7Mo4N0.0300.800.0350.0206.00~8.0024.00~26.003.00~0.500.24~0.32Cr+3.3Mo+16N≥41S25203022Cr25Ni7Mo4Cu2N0.0300.800.0350.0205.50~8.0024.00~26.003.00~0.50~0.20~0.35S2555403Cr25Ni6Mo3Cu2N0.0400.0350.0304.50~6.5024.00~27.002.90~1.50~0.10~0.25S27073022Cr28Ni8Mo4CoN0.0300.500.0300.0105.50~9.5026.00~29.004.00~0.30~0.50S27603022Cr25Ni7Mo4WCuN0.0300.0300.0106.00~8.0024.00~26.003.00~4.000.50~0.20~0.30Cr+3.3(Mo+1w)+序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%MnPSNiMoN其他元素S2900806Cr26Ni4Mo20.080.750.0400.0302.50~23.00~28.001.00~S29063022Cr29Ni7Mo2MnN0.0300.800.80~0.0300.0305.80~28.00~30.001.50~0.800.30~0.40S29503022Cr28Ni4Mo2N0.0300.600.0350.0103.50~26.00~29.001.00~一0.15~0.35注：表中所列成分除標(biāo)明范圍或最小值外，其余均為最大值。序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CPSNiN其他元素S11163022Crl1Tia0.0300.0400.0200.6010.50~0.030Ti≥8(C十N)Ti0.15～0.50Nb0.10S11164022Crl1NiNbTi0.0300.0400.0300.75~10.50~0.040Ti≥0.50Nb10(C+N)～0.80S1116806Crl1Tia0.080.0450.0300.6010.50~Ti6C～0.75S11173022Crl1NbTia0.0300.0400.0200.6010.50~0.030(Ti十Nb)[8(C+N)十0.08]~0.75Ti≥0.05序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnSNiMoN其他元素S1117604Cr11Nb0.060.0400.0300.5010.50~Nb10C～0.75S11203022Cr12a0.0300.0400.0300.6011.00~S11213022Cr12Nia0.0300.0400.0150.30~10.50~0.030S1130606Cr130.080.0400.0300.6011.50~S1134806Cr13A]a0.080.0400.0300.6011.50~Al0.10～0.30S1146806Cr14Ni2MoTi0.080.0450.0301.00~13.50~0.20~Ti0.30～0.50S115100.120.0400.0300.6014.00~S11573022Cr15NbTi0.0300.0400.0300.6014.00~0.500.030(Ti+Nb)0.30～0.80S117100.120.0400.0300.6016.00~S11717Y10Cr170.120.0600.6016.00~0.60S11763022Cr17NbTi0.0300.750.0400.0300.6016.00~Ti或Nb0.10～1.00序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素S1177010Cr17MoNb0.120.0400.03016.00~0.75~Nb5C～0.80S1177504Cr17Nb0.050.0400.03016.00~—0.030Nb12C～1.00S117900.120.0400.0300.6016.00~0.75~S1179806Cr17Mo0.080.0400.03016.00~0.90~S11862019Cr18MoTi0.0250.0400.0300.6016.00~0.75~0.025Ti,Nb,Zr或其組合8(C十N)～0.80S11863022Cr18Ti0.0300.0400.0300.5017.00~0.030Ti[0.20+4(C+N)]~Al0.15S11864022Cr18NbTi-10.0300.0400.0300.5017.00~0.030(Ti+Nb)[0.20十4(C+N)]～0.75Al0.15S11873022Cr18NbTi0.0300.0400.01517.50~Ti0.10～0.60Nb≥0.30+3CS11882019Cr18CuNb0.0250.0400.0300.6016.00~20.000.30~0.800.025Nb8(C+N)～0.80序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素S11892019Cr18Mo2Nb0.0250.0400.0300.6017.50~1.75~0.500.025Nb10(C+N)～0.80S11973022Cr19NbTi0.0300.0400.0300.5018.00~20.000.030Ti0.07～0.30Nb0.10～0.60(Ti+Nb)[0.20十4(C+N)7～0.80S11972019Cr19Mo2NbTi0.0250.0400.03017.50~1.75~0.035(Ti+Nb)[0.20十4(C+N)]～0.80S12182019Cr21CuTi0.0250.0300.03020.50~23.000.30~0.800.025Ti、Nb、Zr或其組合8(C十N)～0.80S12203022Cr220.0300.0400.0300.6020.00~23.00S12361019Cr23Mo2Ti0.0250.0400.03021.00~24.001.50~0.600.025Ti、Nb、Zr或其組合8(C十N)～0.80S12362019Cr23MoTi0.0250.0400.03021.00~24.000.70~0.600.025Ti、Nb、Zr或其組合8(C十N)～0.80S12462019Cr24Mo2NbTi0.0250.600.400.0300.0200.6023.00~25.002.00~0.600.025S125500.2000.0400.0300.6023.00~27.000.300.25—S12562019Cr25Mo4Ni4NbTi0.0250.750.0400.0303.50~4.5024.50~26.003.50~4.500.035(Ti+Nb)[0.20十4(C+N)]～0.80序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiN其他元素S12763022Cr27Mo4Ni2NbTi0.0300.0400.0301.00~25.00~28.003.00~4.000.040(Ti+Nb)0.20～1.00S12791008Cr27Mo0.0100.400.400.0300.0200.5025.00~27.500.75~0.200.015S12871012Cr28Ni4Mo2NbAl0.0150.550.500.0200.0053.00~4.0028.00~29.001.80~0.020Nb0.15～0.50(C十N)0.030Al0.10～0.30S12963022Cr29Mo4NbTi0.0300.0400.03028.00~30.003.60~4.200.045(Ti+Nb)0.20～1.00且(Ti十Nb)≥6(C十N)S12990008Cr29Mo40.0100.300.200.0250.0200.1528.00~30.003.50~4.200.150.020S12991008Cr29Mo4Ni20.0100.300.200.0250.0202.00~28.00~30.003.50~4.200.150.020S13091008Cr30Mo20.0100.400.400.0300.0200.5028.50~32.001.50~0.200.015注：表中所列成分除標(biāo)明范圍或最小值外，其余均為最大值序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiN其他元素S40310a0.150.500.0400.0300.6011.50~S41010a0.150.0400.0300.6011.50~S4103606Cr13Mn0.03~0.080.801.00~0.0350.0300.6011.50~0.040(C十N)0.04～0.10S41092a0.08~0.180.600.0400.0300.6011.50~0.30~0.600.30一S414000.150.0400.0301.25~11.50~S41427Y25Cr13Ni20.20~0.300.500.80~0.08~0.120.15~0.251.50~12.00~0.60S4159504Cr13Ni5Mo0.050.600.50~0.0300.0303.50~11.50~0.50~S41617Y12Cr130.150.0600.6012.00~0.60S42020a20Cr13a0.16~0.250.0400.0300.6012.00~S4203030Cr130.26~0.350.0400.0300.6012.00~S4204040Cr130.36~0.450.600.800.0400.0300.6012.00~0.60序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素Y30Cr130.26~12.00~0.60~12.50~0.65~12.50~0.05~60Cr13Mo0.56~12.50~0.25~0.28~12.00~0.50~22Cr14NiMo0.15~0.35~13.50~0.40~0.45~14.00~0.50~V0.10～0.2022Cr12NiWMoVa0.20~0.50~0.50~11.00~0.75~W0.75～1.25V0.20～0.400.10~1.40~10.50~0.35~V0.18～0.300.15~0.50~10.00~0.30~0.05~V0.10～0.40Nb0.20～0.600.11~1.50~16.00~序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素S43120a17Cr16Ni2a0.12~0.220.0400.0301.50~15.00~S43127aY16Cr16Ni2S0.12~0.200.0400.15~0.302.00~15.00~0.60S44040a80Cr2OSi2Nia0.75~0.851.75~0.20~0.600.0300.0301.15~19.00~20.50—0.30一S4407068Cr170.60~0.750.0400.0300.6016.00~0.75S4408085Cr170.75~0.950.0400.0300.6016.00~0.75一S44090a95Cr180.90~0.800.800.0400.0300.6017.00~S440960.95~0.0400.0300.6016.00~0.75S44097Y108Cr170.95~0.0600.6016.00~0.75S440980.95~0.800.800.0400.0300.6016.00~0.40~0.70S4409990Cr18MoV0.85~0.950.800.800.0400.0300.6017.00~1.00~V0.07～0.12注：表中所列成分除標(biāo)明范圍或最小值外，其余均為最大值。序號(hào)統(tǒng)一數(shù)字代號(hào)化學(xué)成分(質(zhì)量分?jǐn)?shù))/%CMnPSNiMoN其他元素S51290a022Cr12Ni9Cu2NbTia0.0300.500.500.0400.0307.50~9.5011.00~0.501.50~Ti0.80～1.40Nb0.10～0.50S51293022Cr12Ni9Mo4Cu2AlTi0.0300.700.0300.0158.00~11.00~3.50~1.50~Al0.15～0.50Ti0.50～1.20S5138004Cr13Ni8Mo2Al0.050.100.200.0100.0087.50~8.5012.30~2.00~0.010Al0.90～1.35S51525a06Cr15Ni25Ti2MoAlVBa0.080.0400.03024.00~27.0013.50~1.00~Al0.35W1.90～2.35B0.001～0.010y0.10～0.50S5155005Cr15Ni5Cu4Nb0.070.0400.0303.50~14.00~2.50~4.50Nb0.15～0.45S51570a07Cr15Ni7Mo2Ala0.090.0400.0306.50~14.00~2.00~Al0.75～1.50S51740a05Cr17Ni4Cu4Nba0.070.0400.0303.00~15.00~3.00~Nb0.15～0.45S5175009Cr17Ni5Mo3N0.07~0.110.500.50~0.0400.0304.00~16.00~2.50~0.07~0.13S51770a07Cr17Ni7Ala0.090.0400.0306.50~16.00~Al0.75～1.50S5177806Cr17Ni7AlTia0.080.0400.0306.00~16.00~Al0.75～1.50Ti0.40～1.20注：表中所列成分除標(biāo)明范圍或最小值外，其余均為最大值。25(規(guī)范性)A.1不銹鋼牌號(hào)的表示方法一般用兩位阿拉伯?dāng)?shù)字表示碳含量(以萬分之幾計(jì)),但對(duì)碳含量不大于0.030%的超低碳不銹a)只規(guī)定上限者，如碳含量上限不大于0.10%,則取其上限的3/4表示碳含量(見示例1);如碳含量上限大于0.10%,則取其上限的4/5表示碳含量(見示例2)。示例1:碳含量上限為0.08%時(shí)，以06表示其含量；碳含量上限為0.030%時(shí)，以022表示其含量；碳含量上限為0.020%示例2:碳含量上限為0.20%時(shí)，以16表示其含量；碳含量上限為0.15%時(shí)，以12表示其含量。示例3:A.1.3.1用一位或兩位阿拉伯?dāng)?shù)字表示主元素(碳元素除外)的平均含量(以百分之幾計(jì)),若主元素的A.1.3.2主元素(碳元素除外)宜按元素含量遞減排序。若兩個(gè)或兩個(gè)以上元素的平均含量相等時(shí)，則示例1:碳含量不大于0.08%、鉻含量為18.00%～20.00%、鎳含量為8.00%～11.00%的不銹鋼，其中碳含量以06表示，鉻含量平均值為19%,鎳含量平均值為9.5%修約為10%,則其牌號(hào)表示為06Cr19Ni10。示例2:平均值為6.5%修約為6%,氮含量平均值為0.22%(不標(biāo)明含量),則其牌號(hào)表示為022Ni24Cr21Mo6N,而不示例3:26GB/T20878—2024示例4:022Cr18NbTi-1與022Cr18NbTi。A.2不銹鋼牌號(hào)的統(tǒng)一數(shù)字代號(hào)表示方法A.2.1不銹鋼牌號(hào)的統(tǒng)一數(shù)字代號(hào)ISC(Ironandsteelcode)采用英文字母符號(hào)“S”作前綴(“Stainless”的首字母),后接五位阿拉伯?dāng)?shù)字，其編號(hào)規(guī)則見圖A.1。S前綴字母S:代表不銹鋼第一位數(shù)字：1——鐵素體不銹鋼，2——奧氏體-鐵素體(雙相)不銹鋼，3——奧氏體不銹鋼，4——馬氏體不銹鋼，5——沉淀硬化不銹鋼X第五位數(shù)字表示同一鋼組內(nèi)不同牌號(hào)的區(qū)別順序號(hào)第四位數(shù)字表示同一鋼組內(nèi)含有特殊元素(如S、Ti、Nb、A1、Cu、Mo、Mn)或區(qū)別順序號(hào)第二、三位數(shù)字(或與第一位數(shù)字組合)表示不同鋼組或主元素含量第四位數(shù)字代表的含義0123456789順序號(hào)順序號(hào)加Se、Ce、Pb、 Ca或順序號(hào)順序號(hào)加A1、Si(或AlTi、NbTi)第五位數(shù)字代表的含義0123456789順序號(hào)極低碳鋼w(C)≤0.01%或順序號(hào)超低碳鋼w(C)≤0.025%或順序號(hào)超低碳鋼w(C)≤0.030%順序號(hào)順序號(hào)順序號(hào)易切削鋼或順序號(hào)低碳鋼w(C)≤0.08%耐熱或順序號(hào)若同一組兩個(gè)牌號(hào)的統(tǒng)一數(shù)字代號(hào)相同，則建議調(diào)整第五位數(shù)字加以區(qū)別。示鋼中含有特殊元素(見示例1),第五位數(shù)字表示鋼類或同一鋼組內(nèi)牌號(hào)的順序號(hào)(見示例2)。示例1:019Cr18MoTi,統(tǒng)一數(shù)字代號(hào)ISC為S11862,其中第一位數(shù)字1代表鐵素體不銹鋼，第二、三位數(shù)字18表示鉻的平均含量，第四位數(shù)字6表示加Ti,第五位數(shù)字2表示超低碳鋼(碳含量不大于0.025%)。示例2:022Cr11Ti和022Cr11NiNbTi兩個(gè)牌號(hào)的統(tǒng)一數(shù)字代號(hào)ISC均為S11163,為了區(qū)分將022Crl1NiNbTi第五位數(shù)字由3改為4,即022Crl1NiNbTi牌號(hào)的統(tǒng)一數(shù)字代號(hào)ISC為S11164。A.2.3奧氏體-鐵素體(雙相)不銹鋼S2××××,前四位數(shù)字借用美國(guó)AISI或UNS體系中四位數(shù)字(見示例1和示例2);否則，第二、三位數(shù)字表示鉻的平均含量(以百分之幾計(jì)),第四位數(shù)字表示鋼中含27示例1:022Cr23Ni4MoCuN,統(tǒng)一數(shù)字代號(hào)為S23043,其中前四位數(shù)字2304借用美國(guó)AISI體系2304的四位數(shù)字，第五位數(shù)字3表示超低碳鋼(碳含量不大于0.030%)。示例2:022Cr25Ni7Mo4CuN,統(tǒng)一數(shù)字代號(hào)為S25203,其中前四位數(shù)字2520借用美國(guó)UNS體系S32520中后四位數(shù)字，第五位數(shù)字3表示超低碳鋼(碳含量不大于0.030%)。示例3:示例4:12Cr21Ni5Ti,統(tǒng)一數(shù)字代號(hào)ISC低鉻系列(鉻含量上限一般不大于16.5%);2——低鎳系列(對(duì)應(yīng)于美國(guó)AISI或UNS體系中204系列):3錳含量約為5%～8%(對(duì)應(yīng)于美國(guó)AISI或UNS體系中201系列):4錳含量約為7%~10%系列(對(duì)應(yīng)于美國(guó)AISI或UNS體系中202系列);5——錳含量約為10%～13%(錳含量高于美國(guó)AISI或UNS體系中202系列);6——鎳含量低于美國(guó)AISI或UNS體系中202系列；7——高鉻高鎳示例1:(對(duì)應(yīng)于AISI的304),第四位數(shù)字0表示順序號(hào)，第五位數(shù)字8表示低碳鋼(碳含量不大于0.08%)。示例2:022Ni25Cr21Mo7N,統(tǒng)一數(shù)字代號(hào)ISC為S38367,其中第一位數(shù)字3代表奧氏體不銹鋼，后面四位數(shù)字8367借用UNS的N08367中后四位數(shù)字。示例3:12Cr17Mn6Ni5N,統(tǒng)一數(shù)字代號(hào)ISC為S35350,其中353代表Cr-Mn-Ni-N鋼組，其中第三位數(shù)字3表示錳含量約為5%～8%(對(duì)應(yīng)于AISI201),第四位數(shù)字5表示加氮，第五位數(shù)字0為順序號(hào)。示例1:Y12Cr13,統(tǒng)一數(shù)字代號(hào)ISC為S41617,其中第一位數(shù)字4代表馬氏體不銹鋼，第一、二、三位數(shù)字416表示鋼組(對(duì)應(yīng)于AISI的416),第四數(shù)字1表示順序號(hào)，第五位數(shù)字7表示易切削鋼。示例2:A.2.6沉淀硬化不銹鋼S5××××,第二、三、四、五位數(shù)字按Cr-Ni二元素及其含量編號(hào)，其中第二、28示例1:06Ni25Cr15Ti2MoAlVB,統(tǒng)一數(shù)字代號(hào)ISC為S51525,其中第一位數(shù)字5代表沉淀硬化不銹鋼，第二、三位數(shù)字15示例2:05Cr15Ni5Cu4Nb,統(tǒng)一數(shù)字代號(hào)ISC為S51550,其中第一位數(shù)字5代表沉淀硬化不銹鋼，第二、三位數(shù)字15表示鉻表B.1給出了本文件部分不銹鋼牌號(hào)的物理性能參數(shù)。CB/T20878-2024CB/T20878-2024序號(hào)統(tǒng)一數(shù)字代號(hào)密度pkg/dm3在下列溫度(℃)的彈性20℃至下列溫度(℃)的平均線膨脹系數(shù)α熱導(dǎo)率λ比熱容c電阻率p可磁化400400奧氏體不銹鋼1S30103022Cr17Ni7——0.500.73否2S301100.500.73否3S30153022Cr17Ni7N0.500.73否4S3021012Cr18Ni9a0.500.73否5S3024012Cr18Ni9Si3a0.500.73否6S30317Y12Cr18Ni90.500.73否7S30327Y12Cr18Ni9Se0.500.73否8S30387Y12Cr18Ni9Cu30.500.72否9S30403022Cr19Ni100.500.73否S3040806Cr19Ni10a0.500.73否S3040907Cr19Ni10a0.450.71否S3045005Cr19Ni10Si2CeNa0.500.85否20878-202420878-2024序號(hào)統(tǒng)一數(shù)字代號(hào)kg/dm3在下列溫度(℃)的彈性20℃至下列溫度(℃)的平均線膨脹系數(shù)a熱導(dǎo)率λ比熱容c電阻率可磁化400400S30453022Cr19Ni10N0.500.73否S3045806Cr19Ni10N0.500.73否S3047806Cr19Ni9NbN0.500.73否S3048006Cr18Ni9Cu20.500.73否S30483022Cr18Ni9Cu30.500.73否S3048806Cr18Ni9Cu30.500.72否S30489a10Cr18Ni9NbCu3BNa否S3050806Cr18Ni120.500.73否S3051010Cr18Ni120.500.73否S30548a06Cr18Ni13Si4a0.50否S30549a16Cr20Ni14Si20.500.85否S30808a06Cr20Ni11a8.000.500.72否S3082908Cr21Nil1Si2NCe0.500.85否S30908a06Cr23Ni13a0.500.78否S30920a16Cr23Ni13a0.500.78否S30989a07Cr23Ni15Cu4NbNBa0.48否S31002012Cr25Ni200.450.85否S31008a06Cr25Ni20a0.500.85否S31009a07Cr25Ni200.500.85否S31020a20Cr25Ni20a0.500.85否CB/T20878-2024表B.1本文件部分不銹鋼牌號(hào)的物理性能參數(shù)CB/T20878-2024序號(hào)統(tǒng)一數(shù)字代號(hào)kg/dm在下列溫度(℃)的彈性20℃至下列溫度(℃)的平均線膨脹系數(shù)a熱導(dǎo)率λ比熱容c 電阻率可磁化400400S31053022Cr25Ni22Mo2N0.500.80否S31059a07Cr25Ni21NbNa否S31089a07Ni25Cr22W4Cu3CoNbNBa8.10否S31092015Ni26Cr25Mo5Cu2N8.100.450.85否S31252015Cr20Ni18Mo6CuN8.030.500.85否S31292015Ni27Cr22Mo7CuN8.020.45否S31293022Cr24Ni22Mo6Mn3W2Cu2N8.200.45否S31400a16Cr25Ni20Si2a0.500.90否S31603022Cr17Ni12Mo20.500.75否S31608a06Cr17Ni12Mo2a0.500.75否S31609a07Cr17Ni12Mo2a0.500.75否S31653022Cr17Ni12Mo2N0.500.75否S31655C022Cr20Ni9MoNc0.590.79否S3165806Cr17Ni12Mo2N0.500.73否S31668a06Cr17Ni12Mo2Tia0.500.75否S3167806Cr17Ni12Mo2Nb0.500.75否S31683022Cr18Ni14Mo2Cu20.500.74否S3168806Cr18Ni12Mo2Cu20.500.74否S31703022Cr19Ni13Mo30.500.79否S31708a06Cr19Ni13Mo3a0.500.74否20878-202420878-2024序號(hào)統(tǒng)一數(shù)字代號(hào)kg/dm3在下列溫度(℃)的彈性20℃至下列溫度(℃)的熱導(dǎo)率λ比熱容c電阻率可磁化400400S31723022Cr19Ni16Mo5N0.500.85否S31753022Cr19Ni13Mo4N0.500.75否S3179403Cr18Ni16Mo58.000.50否S32050022Cr23Ni21Mo6N8.10否S32053022Ni25Cr23Mo6N8.10否S32168a06Cr18Ni11Tia0.500.73否S32169a07Cr19Ni11Tia0.500.73否S32652015Cr24Ni22Mo8Mn3CuN8.000.500.78否S34553022Cr24Ni17Mo5Mn6NbN8.000.450.92否S34778a06Cr18Ni11Nba8.030.500.73否S34779a07Cr18Nil1Nba8.030.500.73否S3510010Cr16Mn9Ni2Cu2N0.570.77否S3510112Cr15Mn10Ni2CuN0.500.66否S3510212Cr15Mn10Ni2N0.500.66否S3515020Cr15Mn15Ni2N0.70否S3518012Cr15Mn8Ni5Cu2N0.500.73否S3523012Cr17Mn8Ni2N0.500.62否S3525012Cr17Mn7Ni2Cu2N0.500.62否S3525712Cr17Mn10Ni2N0.500.62否S3528408Cr17Mn7Ni2Cu2N0.500.73否CB/T20878-2024表B.1本文件部分不銹鋼牌號(hào)的物理性能參數(shù)CB/T20878-2024序號(hào)統(tǒng)一數(shù)字代號(hào)kg/dm在下列溫度(℃)的彈性20℃至下列溫度(℃)的平均線膨脹系數(shù)a熱導(dǎo)率λ比熱容c電阻率p可磁化400400S3528508Cr17Mn6Ni3Cu3N0.530.77否S3535012Cr17Mn6Ni5N0.500.70否S35355022Cr17Mn7Ni5N0.500.70否S3538806Cr18Mn7Ni4CuN0.500.70否S3545012Cr18Mn8Ni5N0.500.70否S3550012Cr18Mn12Ni2N0.500.80否S3551012Cr19Mn11Ni2CuN0.500.75否S3555403Cr19Mn12Ni3N0.500.75否S3555512Cr19Mn12Ni2N0.500.75否S3565605Cr19Mn6Ni5Cu2N0.500.70否S3565708Cr19Mn6Ni3Cu2N0.500.72否S3570605Cr20Ni7Mn4N0.590.74否S3588605Cr19Ni6Mn4Cu2MoN0.590.74否S3588705Cr21Ni10Mn3Cu2Mo2N0.590.79否S38367022Ni24Cr21Mo6N8.06否S3840003Ni18Cr168.03否S3840806Ni18Cr168.030.50否S38926015Ni25Cr20Mo6CuN8.100.45否S39042015Cr21Ni26Mo5Cu28.050.45否20878-202420878-2024序號(hào)統(tǒng)一數(shù)字代號(hào)kg/dm3在下列溫度(℃)的彈性20℃至下列溫度(℃)的熱導(dǎo)率λ比熱容c電阻率可磁化奧氏體-鐵素體(雙相)不銹鋼022Cr20Mn5Ni2N是022Cr21Ni4Mo2N是022Cr21Mn2Ni2MoN是03Cr22Mn5Ni2CuMoN是022Cr19Ni5Mo3Si2N是022Cr23Ni2N是022Cr23Ni5Mo3N是022Cr21Mn3Ni3Mo2N是是022Cr22Ni5Mo3N是022Cr24Ni4Mn3Mo2CuN是022Cr25Ni6Mo2N是022Cr25Ni7Mo3WCuN是019Cr25Ni7Mo4Cu2WN是022Cr25Ni7Mo3W2CuN是022Cr23Ni4MoCuN是022Cr25Ni7Mo4N是022Cr25Ni7Mo4Cu2N是03Cr25Ni6Mo3Cu2N是CB/T20878-2024表B.1本文件部分不銹鋼牌號(hào)的物理性能參數(shù)CB/T20878-2024序號(hào)統(tǒng)一數(shù)字代號(hào)kg/dm在下列溫度(℃)的彈性20℃至下列溫度(℃)的平均線膨脹系數(shù)a熱導(dǎo)率λ比熱容c電阻率p可磁化400400S27073022Cr28Ni8Mo4CoN0.470.80是S27603022Cr25Ni7Mo4WCuN0.500.80是S2900806Cr26Ni4Mo2是S29063022Cr29Ni7Mo2MnN一0.470.80是S29503022Cr28Ni4Mo2N是鐵素體不銹鋼S11163022Cr11Tia0.460.60是S11164022Cr11NiNbTi0.460.60是S1116806Crl1Tia0.460.60是S11173022Crl1NbTia是S1117604Cr11Nb————是S11203022Cr12a0.46是S11213022Cr12Nia0.430.60是S1130606Cr130.46是S1134806Cr13Ala0.46是S1146806Cr14Ni2MoTi0.46是20878-202420878-2024序號(hào)統(tǒng)一數(shù)字代號(hào)kg/dm3在下列溫度(℃)的彈性20℃至下列溫度(℃)的平均線膨脹系數(shù)a熱導(dǎo)率λ比熱容c電阻率p可磁化400400S115100.46是S11573022Cr15NbTi0.46是S117100.46是S11717Y10Cr170.460.60是S11763022Cr17NbTi0.430.70是S1177010Cr17MoNb0.440.70是S1177504Cr17Nb0.460.60是S11790—0.460.60是S1179806Cr17Mo0.460.70是S11862019Cr18MoTi0.460.60是S11863022Cr18Ti0.460.60是S11864022Cr18NbTi-10.460.60是S11873022Cr18NbTi0.460.60是S11882019Cr18CuNb0.460.60是S11892019Cr18Mo2Nb0.390.65是S11973022Cr19NbTi0.460.60是S11972019Cr19Mo2NbTi0.430.80是CB/T20878-2024表B.1本文件部分不銹鋼牌號(hào)的物理性能參數(shù)CB/T20878-2024序號(hào)統(tǒng)一數(shù)字代號(hào)kg/dm在下列溫度(℃)的彈性20℃至下列溫度(℃)的平均線膨脹系數(shù)a熱導(dǎo)率λ比熱容c電阻率p可磁化400400S12182019Cr21CuTi0.46是S12203022Cr220.440.62是S12361019Cr23Mo2Ti0.430.80是S12362019Cr23MoTi0.430.80是S12462019Cr24Mo2NbTi0.430.80是S125500.500.70是S12562019Cr25Mo4Ni4NbTi——0.40是S12763022Cr27Mo4Ni2NbTi——是S12791008Cr27Mo0.460.64是S12871012Cr28Ni4Mo2NbAl—是S12963022Cr29Mo4NbTi是S12990008Cr29Mo4———是S12991008Cr29Mo4Ni20.45是S13091008Cr30Mo20.460.56是馬氏體不銹鋼S40310a0.460.57是20878-202420878-2024序號(hào)統(tǒng)一數(shù)字代號(hào)kg/dm3在下列溫度(℃)的彈性20℃至下列溫度(℃)的平均線膨脹系數(shù)α熱導(dǎo)率λ比熱容c 電阻率可磁化400400S41010a0.460.60是S4103606Cr13Mn0.460.58是S41092是S4159504Cr13Ni5Mo0.460.60是S41617Y12Cr130.460.60是S42020a20Cr130.460.60是S4203030Cr130.460.55是S4204040Cr130.460.55是S42037Y30Cr130.460.55是S4206065Cr130.420.51是S4209070Cr13Mo0.390.53是S4209660Cr13Mo0.460.62是S4209732Cr13Mo0.460.62是S4209950Cr15MoV0.460.65是S42210a13Crl1Ni2W2MoVa0.48是S43110a14Cr17Ni2a0.460.72是S43120a17Cr16Ni2a0.460.70是S4407068Cr170.460.60是CB/T20878-2024表B.1本文件部分不銹鋼牌號(hào)的物理性能參數(shù)CB/T20878-2024序號(hào)統(tǒng)一數(shù)字代號(hào)kg/dm在下列溫度(℃)的彈性20℃至下列溫度(℃)的平均線膨脹系數(shù)a熱導(dǎo)率λ比熱容c電阻率p可磁化S4408085Cr17是S44090a95Cr18是S44096是S44097Y108Cr17是S44098是S4409990Cr18MoV是沉淀硬化不銹鋼S51290a022Cr12Ni9Cu2NbTia—是S5138004Cr13Ni8Mo2Al是S51525a06Cr15Ni25Ti2MoAlVBa無S5155005Cr15Ni5Cu4Nb是S51570a07Cr15Ni7Mo2Ala是S51740a05Cr17Ni4Cu4Nb是S5175009Cr17Ni5Mo3N是S51770a07Cr17Ni7Ala是S5177806Cr17Ni7AlTia是可作耐熱鋼使用。古序號(hào)統(tǒng)一數(shù)字代號(hào)ISC代號(hào)ISC曾用牌號(hào)美國(guó)ASTMA959TypeUNS日本JIS國(guó)際Name歐洲NameNumberFOCT5632奧氏體不銹鋼1S30103022Cr17Ni7—S30103SUS301L2S30110S30100SUS301X12CrNi17-74310-301-09-X3S30153022Cr17Ni7N301LNS30153SUS301LX2CrNiN18-74318-301-53-IX2CrNiN18-74S3021012Cr18Ni9aS30200SUS302X9CrNi18-94325-302-00-EX9CrNi18-95S3024012Cr18Ni9Si3a1Cr18Ni9Si3S30215SUS302BX12CrNiSi18-9-34326-302-15-I6S30317Y12Cr18Ni9Y1Cr18Ni9S30300SUS303X10CrNiS18-94305-303-00-IX8CrNiS18-97S30327Y12Cr18Ni9SeY1Cr18Ni9Se303SeS30323SUS303SeX12CrNiSe18-94625-303-23-XX12CrNiSe18-9七序號(hào)統(tǒng)一數(shù)字代號(hào)代號(hào)ISC曾用牌號(hào)美國(guó)ASTMA959TypeUNS日本JIS國(guó)際Name歐洲NameNumberFOCT56328S30387Y12Cr18Ni9Cu3—SUS303CuX12CrNiCuS18-9-34667-303-76-JX12CrNiCuS18-9-39S30403022Cr19Ni1000Cr19Ni10S30403SUS304LX2CrNi19-114306-304-03-IX2CrNi19-1103X18H11S3040806Cr19Ni10a0Cr18Ni9S30400SUS304X5CrNi18-104301-304-00-IX5CrNi18-10S3040907Cr19Ni10a——S30409SUH304HX7CrNi18-94948-304-09-IX6CrNi18-10S3045005Cr19Ni10Si2CeNaS30415X6CrNiSiNCe19-104818-304-15-EX6CrNiSiNCe19-10S30453022Cr19Ni10N00Cr18Ni10N304LNS30453SUS304LNX2CrNiN18-94311-304-53-IX2CrNiN18-10S3045806Cr19Ni10N0Cr19Ni9NS30451SUS304N1X5CrNiN19-94315-304-51-IX5CrNiN19-9S30478———06Cr19Ni9NbN0Cr19Ni10NbNXM-21S30452SUS304N2S3048006Cr18Ni9Cu20Cr18Ni9Cu2SUS304J3X6CrNiCul8-9-24567-304-98-XS30483022Cr18Ni9Cu3—S30430X3CrNiCul8-9-44567-304-30-IX3CrNiCul8-9-4S3048806Cr18Ni9Cu30Cr18Ni9Cu3SUSXM7序號(hào)統(tǒng)一數(shù)字代號(hào)代號(hào)ISC曾用牌號(hào)美國(guó)ASTMA959TypeUNS日本JIS國(guó)際Name歐洲NameNumberS3048910Cr18Ni9NbCu3BNaS30432———S3050806Cr18Ni120Cr18Ni12SUS305J1S3051010Cr18Ni121Cr18Ni12S30500SUS305X6CrNi18-124303-305-00-IX4CrNi18-1212X18H12TS30548S3814806Cr18Ni13Si4a0Cr18Ni13Si4SUSXM15J1X06CrNiSi18-13-44884-305-00-XS30549S3824016Cr20Ni14Si2a1Cr20Ni14Si2X15CrNiSi20-124828-305-09-IX15CrNiSi20-1220X20H14C2S3064020Cr18Ni15Si4AlS30615S3080806Cr20Ni11—S30800SUS308—S3085020Cr21Ni12Na—SUH37X20CrNi22-114824-308-09-JX20CrNi22-11S3085908Cr21Ni11Si2NCea08Cr21Ni11Si2CeNS30815X9CrNiSiNCe21-11-2S30908—06Cr23Ni13a0Cr23Ni13S30908SUS309SX6CrNi23-134950-309-08-EX6CrNi23-13S3092016Cr23Ni13a2Cr23Ni13S30900SUH309X12CrNi23-134833-309-08-IX12CrNi23-1320X23H12S30989——07Cr23Ni15Cu4NbNBa07Cr23Ni15Cu4NbN————————無序號(hào)統(tǒng)一數(shù)字代號(hào)ISC代號(hào)ISC曾用牌號(hào)美國(guó)ASTMA959TypeUNS日本國(guó)際Name歐洲NameNumberS31002012Cr25Ni20 S31002X1CrNi25-214335-310-02-IX1CrNi25-21S3100806Cr25Ni20a0Cr25Ni20S31008SUS310SX6CrNi25-204951-310-08-IX6CrNi25-20S3100907Cr25Ni20a07Cr25Ni21S31009S3102020Cr25Ni20a2Cr25Ni20S31000SUH310X23CrNi25-214845-310-09-XX8CrNi25-2120X25H20C2S31053022Cr25Ni22Mo2N S31050一X1CrNiMoN25-22-2X1CrNiMoN25-2