1

       

、牌号

C     Si    Mn  P     S     Alt

DC51D+Z(St01Z、St02Z)    ≤0.08    —    ≤0.50    ≤0.035   ≤0.035   ≤0.015

DC52D+Z（St03Z

     ≤

）

0.08    —    ≤0.45    ≤0.035   ≤0.030   ≤0.015

S220GC+Z     ≤0.08    —    ≤0.50    ≤0.035   ≤0.025   ≤0.015

S250GD+Z     ≤0.20    —    ≤0.60    ≤0.035   ≤0.025   ≤0.015

S280GD+Z     ≤0.22    —    ≤0.80    ≤0.035   ≤0.025   ≤0.015

S320GD+Z     ≤0.22    —    ≤1.20    ≤0.035   ≤0.025   ≤0.015

S350GD+Z     ≤0.22    —    ≤1.50    ≤0.035   ≤0.025   ≤0.015

H220PD+Z     ≤0.08    ≤0.50    ≤0.70    ≤0.080   ≤0.025   ≤0.015

H260PD+Z     ≤0.08    ≤0.50    ≤0.70    ≤0.100   ≤0.025   ≤0.015

SGCC、SGCH       ≤0.08    ≤0.05    ≤0.50    ≤0.035   ≤0.025   ≤0.015

SGCD     ≤0.08    ≤0.04    ≤0.50    ≤0.035   ≤0.025   ≤0.015

SGC340  ≤0.20    —    ≤0.95    ≤0.035   ≤0.025   ≤0.015

SGC400  ≤0.22    —    ≤1.40    ≤0.035   ≤0.025   ≤0.015

SGC440  ≤0.22    —    ≤1.50    ≤0.035   ≤0.025   ≤0.015

SGC490  ≤0.22    —    ≤1.60    ≤0.035   ≤0.025   ≤0.015

 

2、使用范围：

（电镀锡板）

电镀锡薄钢板和钢带，也称马口铁，这种钢板（带）表面镀了锡，有很好的耐蚀性，

且无毒，可用作罐头的包装材料，电缆内外护皮，仪表电讯零件，电筒等小五金。

（热镀锌板）