不锈钢牌号新老标准.ppt

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1、最新国内外不锈钢材料牌号、标准对比孟常挺常用不锈钢分类1、奥氏体2、奥氏体-铁素体双相3、铁素体4、马氏体304、316、304L、316L的由来来源于美国ASTM（美国材料与实验协会）标准）标准，而非中国标准的称谓。中国标准的材质名称见下表最新不锈钢牌号对照和新旧标准对比序号中国GB日本美国新牌号统一数字代号(GB/T20878-2007)新牌号(GB/T20878-2007GB/T24511-2009)旧牌号JISASTMUNS奥氏体不锈钢1S3535012Cr17Mn6Ni5N1Cr17Mn6Ni5NSUS201201S201002S3545012Cr18Mn9

2、Ni5N1Cr18Mn8Ni5NSUS202202S202003S3011012Cr17Ni71Cr17Ni7SUS301301S301004S3040806Cr19Ni100Cr18Ni9SUS304304S304005S30403022Cr19Ni1000Cr19Ni10SUS304L304LS304036S3045806Cr19Ni10N0Cr19Ni9NSUS304N1304NS304517S3047806Cr19Ni9NbN0Cr19Ni10NbNSUS304N2XM21S304528S30453022Cr19Ni10N00Cr18Ni10NSUS304LN

3、304LNS304539S3051010Cr18Ni121Cr18Ni12SUS305305S3050010S3090806Cr23Ni130Cr23Ni13SUS309S309SS3090811S3100806Cr25Ni200Cr25Ni20SUS310S310SS3100812S3160806Cr17Ni12Mo20Cr17Ni12Mo2SUS316316S3160013S3166806Cr17Ni12Mo2Ti0Cr18Ni12Mo3TiSUS316Ti316TiS3163514S31603022Cr17Ni12Mo200Cr17Ni14Mo2SUS316L3

4、16LS3160315S3165806Cr17Ni12Mo2N0Cr17Ni12Mo2NSUS316N316NS3165116S31653022Cr17Ni13Mo2N00Cr17Ni13Mo2NSUS316J1316LNS3165317S3168806Cr18Ni12Mo2Cu20Cr18Ni12Mo2Cu2SUS316J118S31683022Cr18Ni14Mo2Cu200Cr18Ni14Mo2Cu2SUS316J1L19S3170806Cr19Ni13Mo30Cr19Ni13Mo3SUS317317S3170020S31703022Cr19Ni13Mo300C

5、r19Ni13Mo3SUS317L317LS3170321S3216806Cr18Ni11Ti0Cr18Ni10TiSUS321321S3210022S3477806Cr18Ni11Nb0Cr18Ni11NbSUS347347S34700续表：序号中国GB日本美国新牌号统一数字代号(GB/T20878-2007)新牌号(GB/T20878-2007GB/T24511-2009)旧牌号JISASTMUNS奥氏体-铁素体型不锈钢（双相不锈钢）230Cr26Ni5Mo2SUS329J1329S3290024S21953022Cr19Ni5Mo3Si2N00Cr18Ni5Mo

6、3Si2SUS329J3LS31803铁素体型不锈钢25S1134806Crl3Al0Crl3AlSUS405405S4050026S11163022Cr11TiSUH409409S4090027S11203022Cr1200Cr12SUS410L28S1171010Cr171Cr17SUS430430S4300029S1179010Cr17Mo1Cr17MoSUS434434S4340030S11873022Cr18NbTiS4394031S11972019Cr19Mo2NbTi00Cr18Mo2SUS444444S44400马氏体型不锈钢32S4031012Cr1

7、21Cr12SUS403403S4030033S4101012Cr131Cr13SUS410410S4100034S4202020Cr132Cr13SUS420J1420S4200035S4203030Cr133Cr13SUS420J236S4407068Cr177Cr17SUS440A440AS44002中国常用的不锈钢标准GB/T20878-2007不锈钢及耐热钢牌号及化学成分钢板标准1、GB/T709-2006热轧钢板和钢带尺寸、外形、重量及允许偏差2、GB/T4237-2007不锈钢热轧钢板钢带3、GB/T24511-2009承压设备用不锈钢