4.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/B7.3.1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+Z120~220260~350360.181.6DX56D+Z120~180260~350390.211.9DX57D+Z120~170260~350410.222.1S220GD+Z(StE220Z)≥220≥30020--S250GD+Z(StE250Z)≥250≥33019S280GD+Z(StE280Z)≥280≥36018S320GD+Z(StE320Z)≥320≥39017S350GD+Z(StE350Z)≥350≥42016a拉伸试验取样横向。b当没有明显的屈服时,屈服强度取Rp0.2。本标准与国内外相关标准牌号对照表表A.1相近牌号对照表标准Q/ASB385-2006Q/ASB385-2004Q/ASB10-2006Q/ASB387-2006牌号DX51D+Z(St01Z、St02Z)DX51D+Z、St01Z、St01ZH、St02Z、St02ZHCSACSBCSCSGCCDX52D+Z(St03Z)DX52D+Z、St03ZFSAFSB-DX53D+Z(St04Z、St05Z)DX53D+Z、St04Z、St05ZSGCD1DX54D+Z-DDSADDSCSGCD2--SGCD3DX56D+Z-EDDS-DX57D+Z--S220GD+Z(StE220Z)S220GD+Z、StE220ZSS33(230)-S250GD+Z(StE250Z)S250GD+Z、StE250ZSS37(255)SGC340S280GD+Z(StE280Z)S280GD+Z、StE280ZSS40(275)SGC400S320GD+Z(StE320Z)S320GD+Z、StE320Z-SGC440S350GD+Z(StE350Z)-SS50(340)-1/2/3/4SGC490表A.1相近牌号对照表(续)标准Q/ASB385-2006ASTMA653-05aDIN17162-EN10326-2004ENG3302-198710327-20042005牌号DX51D+Z(St01Z、St02Z)CSACSBCSCSt01ZSt02ZDX51D+ZSGCCDX52D+Z(St03Z)FSAFSBSt03ZDX52D+Z-DX53D+Z(St04Z、St05Z)St04ZSt05ZDX53D+ZSGCD1DX54D+ZDDSADDSC-DX54D+ZSGCD2---SGCD3DX56D+ZEDDSSt06ZDX56D+Z-DX57D+ZSt07ZDX57D+Z-S220GD+Z(StE220Z)SS33(230)-S220GD+Z-S250GD+Z(StE250Z)SS37(255)StE250ZS250GD+ZSGC340S280GD+Z(StE280Z)SS40(275)StE280ZS280GD+ZSGC400S320GD+Z(StE320Z)-StE320ZS320GD+ZSGC440S350GD+Z(StE350Z)SS50(340)-1/2/3/4StE350ZS350GD+ZSGC490