日本钢铁联盟标准JFS2

1、日本钢铁联盟标准JFS 标准号标准名称原板区分类别牌号适用规格mm化学成分(熔炼分析)抗拉强度N/mm2下更厚度(mm)的上屈肥点或屈服强度N/mm2下列试样及厚度(mm)的伸长率备注PS1.41.61.62.02.02.52.53.23.2试样1.41.61.62.02.02.52.53.23.2JFSA3021(1996)汽车用合金化热镀锌钢板及钢带带热轧原板低碳钢板JEH270C1.43.20.0500.0502702053251953151853051853051752955号纵向354936503751375138521. 本标准为由日本钢铁联盟在日本各大钢铁企业与日本汽车行业间协调

2、后所制订的适用于汽车结构用双面等厚或差厚的及单面镀的电镀锌钢板及钢带标准。 2. 镀层附着量 a、钢板和钢带电镀锌量的代号及单面镀锌量的规定如下JEH270D0.0300.03519530518529517528517528516527537513852395339534054JEH270E175275165·26515525515525514524540534154425542554356·钢板和钢带电镀锌量的代号及规定值如下： b、电镀锌钢板及钢带可以是双面等厚、双面差厚以及单面镀等不同类型，其表示方法如下：钢板：钢板上表面镀锌量/下表面镀锌量(例34/25)。钢带：钢

3、带外表面镀锌量/内表面镀锌量(例51/42)。当需要注明差度时加注字母D(例51D/42)。3、表面状态区分及代号如下4、钝化处理种类及代号如下：5、涂油种类及代号如下：6、化学成分指定、时效特性含意、表面质量等项按各自的原板标准规定。7、标准中详细规定了尺寸、形状允许偏差及重量计算方法。另，标准中规定了锌层试验方法，组批规则并列入了力学性能的的目标值和参考值，请参阅标准正文。通用型JEH310W0.0500.03031020532519531518530518530517529536503751385238523953JEH370W370235355225345215335215335205

4、32533463447354835483649JEH400W40025537524536523535523535522534531443245334634473548JEH440W44029541028540027539027539026538028412942304332453346高屈强比JEH490R1.62.30.0500.0304903755003654905号横向22362337JEH540R54043057042056019332034JEH590R59046061045060017311832冷轧原板低碳钢钢板0.33.2时效特性270下列厚度(mm)的上屈服点或屈服强度N/m

5、m2下列试样及厚度(mm)的伸长率0.30.40.40.80.81.01.03.20.51.01.01.60.30.40.40.60.60.80.81.01.01.21.21.61.63.2试样JEC270C155275145265135255125245354536463747384839494050415号纵向JEC270D0.43.2延迟时效1352251252151152051.21.13949405041514252435344JEC270E非时效1302051201951101851.41.34151425243534454455546JEC270F0.42.3非时效1201851

6、101751001651.61.54353445445554656475748JEC260G非时效260110175100165901551.81.74555465647574858495950通用型JEC340W0.43.234020530519529518528533433444354536463747385号横向JEC370W3702053051952951852853040314132423343344435JEC390W390245355235345225335294030413142423243334434JEC440W0.42.6440285390275380265370263827392840402941304231高屈强比JEC590R0.62.3590430580420570410560173217321833183318高深冲型JEC340P0.42.3非时效3401652551552451452351.41.3354536364617324637473848394940JEC370P非时效3701752651652551552451.41.33343344435453646374738JDC390P非时效39020530519