单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,新不锈钢国家标准介绍,太钢品质部,2007年12月,新不锈钢国家标准介绍太钢品质部2007年12月,1,主要内容,1,、总体概况,2、执行新标准的意义,3、实施计划,4、新旧标准对比,主要内容1、总体概况,2,总体概况,新版不锈钢国标包括以下六个标准：,GB/T20878-2007不锈钢和耐热钢 牌号及化学成分,GB/T1220-2007不锈钢棒,GB/T1221-2007耐热钢棒,GB/T3280-2007不锈钢冷轧钢板和钢带,GB/T4237-2007不锈钢热轧钢板和钢带,GB/T4238-2007耐热钢板和钢带,总体概况新版不锈钢国标包括以下六个标准：,3,总体概况,不锈钢新国标由国家质量技术监督检验检疫局和国家标准化委员会于2007年3月9日发布，于2007年10月1日实施,。,总体概况不锈钢新国标由国家质量技术监督检验检疫局和国家标准化,4,执行新标准的意义,2007版标准参照了世界上最先进的标准，从编号格式到技术指标都有了大的变化，满足了世界经济一体化的要求，为不锈钢进入国际市场消除了技术壁垒。,执行新标准的意义2007版标准参照了世界上最先进的标准，从编,5,执行新标准的意义,新标准的尺寸公差采用了同际标准，技术条件采用了美国材料协会的标准，有些地方还采用了欧洲EN标准，我们的新标准已与世界最先进标准达到同等水平。我们用钢板更科学了，实物更接近公称尺寸,。,执行新标准的意义新标准的尺寸公差采用了同际标准，技术条件采用,6,执行新标准的意义,新标准增加了不锈钢的特性和用途，使我们在设计和采购时更能合理选材，不同用途使用不同牌号的钢材，而不会出现所谓“合标不合用”的事件。我们在采购时首先是选材要“货对用家”，不可一味钻价格。,执行新标准的意义新标准增加了不锈钢的特性和用途，使我们在设计,7,实施计划,我公司定于2008年1月1日开始与旧标准同时并行，于2008年2月1日起完全执行2007版新标准。,实施计划我公司定于2008年1月1日开始与旧标准同时并行，于,8,GB/T20878-2007介绍,标准名称：不锈钢和耐热钢 牌号及化学成分。,代替GB/T 4229-1984 不锈钢板重量计算方法。,几乎参照了所有先进国家标准和国际标准，在4500多个不同牌号中归纳了143个牌号。,GB/T20878-2007介绍标准名称：不锈钢和耐热钢,9,GB/T20878-2007介绍,新标准规定数字代码：S1-铁素体；S2-双相；S3-奥氏体；S4-马氏体；S5沉淀硬化。,牌号表示方法：,一般用两位数字表示平均碳含量（以万分之几计）；,当平均碳含量0.03%时，用三位数字表示（以十万分之几计）；,其余元素表示方法仍执行GB/T221-2000的规定。如0Cr18Ni9变为06Cr19Ni9(C含量0.08%),。,GB/T20878-2007介绍新标准规定数字代码：S1-铁,10,GB/T20878-2007介绍,牌号,不锈棒,耐热钢,不锈冷板带,不锈热板带,耐热细板带,2007,2007,1992,2007,1992,2007,1992,2007,1992,2007,1992,奥氏体（A）,66,28,33,18,20,32,32,32,29,15,16,双相（D）,11,6,3,10,4,10,2,铁素体（F）,18,7,7,4,4,14,10,14,9,5,6,马氏体(M),38,19,18,17,14,9,9,9,8,3,2,沉淀硬化(P),10,4,3,3,2,6,1,6,1,6,1,合计,143,64,64,32,40,71,56,71,49,29,25,牌号设置,GB/T20878-2007介绍牌号不锈棒耐热钢不锈冷板带不,11,GB/T20878-2007介绍,No,UNS,2007,新牌号,1992,旧牌号,C,含量,%,美标,ASTM,日标,JIS,国际,ISO,欧标,EN,俄标,oct,9,S30110,12Cr17Ni7,1Cr17Ni7,0.15,301,SUS301,X5CrNi17-7,1.4319,-,17,S30408,06Cr19Ni10,a,0Cr18Ni9,0.08,304,SUS304,X5CrNi18-10,1.4301,-,18,S30403,02Cr19Ni10,a,00Cr19Ni10,0.030,304L,SUS304L,X2CrNi19-11,1.4306,03X18H11,38,S31608,06Cr17Ni12Mo2,a,0Cr17Ni12Mo2,0.08,316,SUS316,X5CrNiMo17-12-2,1.4401,-,39,S31603,00Cr17Ni14Mo2,a,00Cr17Ni14Mo2,0.030,316L,SUS316L,X2CrNiMo17-12-2,1.4404,03X17H14M2,41,S31668,06 Cr17Ni12Mo2Ti,a,0Cr18Ni12Mo3 Ti,0.08,316Ti,SUS316Ti,X6CrNiMo17-12-2,1.4571,08X17H13M3T,49,S31708,06Cr19Ni13Mo3,a,0Cr19Ni13Mo3,0.08,317,SUS317,-,-,-,55,S32168,0Cr18Ni10Ti,0Cr18Ni10Ti,0.08,321,SUS321,X6CrNiTi18-10,1.4541,08X18H10T,85,S11710,10Cr17,1Cr17,0.12,S43000,SUS430,X6Cr17,1.4016,12X17,98,S41010,12Cr13,1Cr13,0.15,410,SUS410,X12Cr13,1.4006,12X13,101,S42020,20Cr13,2Cr13,0.16-,0.25,420,SUS420J1,X20Cr13,1.4021,20X13,相似牌号,GB/T20878-2007介绍NoUNS2007新牌号19,12,GB/T20878-2007介绍,常见牌号成分变化(奥氏体不锈钢一）,GB/T20878中的序号,新牌号,旧牌号,化学成份(质量分数)，%,A),C,Si,Mn,P,S,Ni,Cr,Mo,Cu,N,其它元素,9,12Cr17Ni7,1Cr17Ni7,2007,0.15,1.00,2.00,0.045,0.030,6.0-8.0,16.0-18.0,-,-,0.10,-,1992,0.15,1.00,2.00,0.035,0.030,6.00-8.00,16.00-,18.00,-,-,-,-,17,06Cr19Ni10,a,0Cr18Ni9,2007,0.08,0.75,2.00,0.045,0.030,8.00-,10.50,18.00-,20.00,0.10,1992,0.07,1.00,2.00,0.035,0.030,8.00-11.00,17.00-,19.00,-,18,02Cr19Ni10,a,00Cr19Ni10,2007,0.030,0.75,2.00,0.045,0.030,8.00-12.0,18.0-20.0,-,-,0.10,-,1992,0.030,1.00,2.00,0.035,0.030,8.00-,12.00,18.00-,20.00,-,-,38,06Cr17Ni12Mo2,a,0Cr17Ni12Mo2,2007,0.08,0.75,2.00,0.045,0.030,10.0-14.0,16.0-18.0,2.00-,3.00,-,0.10,-,1992,0.08,1.00,2.00,0.035,0.030,10.0-14.0,16.0-18.0,2.00-,3.00,GB/T20878-2007介绍常见牌号成分变化(奥氏体不锈,13,GB/T20878-2007介绍,常见牌号成分变化(奥氏体不锈钢二）,GB/T20878中的序号,新牌号,旧牌号,化学成份(质量分数)，%,A),C,Si,Mn,P,S,Ni,Cr,Mo,Cu,N,其它元素,39,00Cr17Ni14Mo2,a,00Cr17Ni14Mo2,2007,0.030,0.75,2.00,0.045,0.030,10.0-14.0,16.00-,18.00,2.00-,3.00,-,0.10,-,1992,0.030,1.00,2.00,0.035,0.030,12.00-,15.00,16.00-,18.00,2.00-,3.00,-,-,41,06 Cr17Ni12Mo2Ti,a,0Cr18Ni12Mo3 Ti,2007,0.08,0.75,2.00,0.045,0.030,10.00-,14.00,16.00-,18.00,2.00-,3.00,Ti5C,1992,0.08,1.00,2.00,0.035,0.030,10.00-,14.00,16.00-,19.00,2.50-,3.50,Ti:5C-0.07,49,06Cr19Ni13Mo3,a,0Cr19Ni13Mo3,2007,0.080,0.75,2.00,0.045,0.030,11.0-15.0,18.0-20.0,3.0-4.0,-,0.10,-,1992,0.080,1.00,2.00,0.035,0.030,11.0-15.0,18.0-20.0,3.0-4.0,-,55,0Cr18Ni10Ti,0Cr18Ni10Ti,2007,0.08,0.75,2.00,0.045,0.030,9.0-12.0,17.0-19.0,-,-,0.10,Ti5C,1992,0.08,1.00,2.00,0.035,0.030,9.0-12.0,17.0-19.0,-,-,Ti5C,GB/T20878-2007介绍常见牌号成分变化(奥氏体不锈,14,GB/T20878-2007介绍,常见牌号成分变化(,铁素体不锈钢）,GB/T20878中的序号,新牌号,旧牌号,化学成份(质量分数)，%,A),C,Si,Mn,P,S,Ni,Cr,Mo,Cu,N,其它元素,85,10Cr17,1Cr17,2007,0.12,1.00,1.00,0.040,0.030,0.75,16.00-,18.00,1992,0.12,0.75,1.00,0.035,0.030,0.60,16.00-,18.00,98,12Cr13,1Cr13,2007,0.15,1.00,1.00,0.040,0.030,（0.60）,11.50-,13.50,1992,0.15,1.00,1.00,0.035,0.030,允许0.60,11.50-,13.50,101,20Cr13,2Cr13,2007,0.16,-0.25,1.00,1.00,0.040,0.030,（0.60）,12.00-,14.00,1992,0.16-,0.25,1.00,1.00,0.035,0.030,允许0.60,12.00-,14.0,0,GB/T20878-2007介绍常见牌号成分变化(铁素体不锈,15,新旧标准对比,GB/T3280,一、标准名称,1992版：不锈钢冷轧钢板,2007版：不锈钢冷轧钢板及钢带,*说明：由单纯钢板变为钢板及钢带为一个标准。,新旧标准对比 GB/T3280一、标准名称,16,新旧标准对比,GB/T3280,代替GB/T3280-1992不锈钢冷轧钢板及部分代替GB/T4239-1992不锈钢和耐热钢冷轧钢带。,*GB/T3280-2007执行后，原则上所代替的标准就不执行了。,新旧标准对比 GB/T3280代替GB/T3280-199,17,新旧标准对比,GB/T3280,参照标准,本标准参照国际标准ISO9445：2002连续冷轧不锈钢窄带、宽带、定尺薄钢板尺寸和形状公差和美国ASTM A240/A240M-05a压力容器用铬、铬镍不锈钢厚板、薄板及钢带等。,新旧标准对比 GB/T3280参照标准,18,新旧标准对