镀锌卷常见各国标准各国热镀锌标准如下:中国:GB/T2518:连续热镀锌钢板及钢带日本:JISG3302:镀锌钢板及钢带欧洲:EN10327:连续热浸涂覆冷成型低碳钢带和板材EN10147:连续热浸镀锌结构钢带材和薄板美标:ASTMA653:热浸镀锌或锌铁合金的薄钢板的标准规范热镀锌冷轧基板商业用DC51D(DX51D)SGCC,SGCH(轧硬卷镀锌)DX51DA653CSA/B冲压用DC52D(DX52D)SGCD1DX52DA653DDSA深冲压用DC53D(DX53D)SGCD2DX53DA653DDSC结构用S220/250/280/320/550GDSGC340/400/490/570S220/250/280/320/550GDA653SS33/37/40/50/55/80热轧基板商业用DD51D(DX51D)SGHCDX51DA653CSA/B7
1钢板和钢带去除镀层后的力学性能应符合表4的规定
表4钢板和钢带的力学性能牌号拉伸试验an90r90下屈服强度bRelMPa抗拉强度RmMPa断后伸长率,%(L0=80mm,b=20mm)不小于DX51D+Z(St01Z、St02Z)-270~55022--DX52D+Z(St03Z)140~300270~42026--DX53D+Z(St04Z、St05Z)120~260270~38030--DX54D+Z120~220260~350360
6DX56D+Z120~180260~350390
9DX57D+Z120~170260~350410
1S220GD+Z(StE220Z)≥220≥30020--S250GD+Z(StE250Z)≥250≥33019S280GD+Z(StE280Z)≥280≥36018S320GD+Z(StE320Z)≥320≥39017S350GD+Z(StE