详细说明
求购生铁 现验收技术标准如下：牌 号 代 号 C% Si% Mn% P% S% 铸22 Z22 4.00~4.25 ＞2.00~2.40 ≤0.50 ≤0.06 ≤0.03 铸18 Z18 4.00~4.25 ＞1.60~2.00 ≤0.50 ≤0.06 ≤0.03 铸14 Z14 4.00~4.25 ＞1.25~1.60 ≤0.50 ≤0.06 ≤0.03 微量元素： As ≤0.0008; Pb ≤0.0005; Sn ≤0.0005; Sb ≤0.0006; Zn ≤0.0003; Cr ≤0.0064; Ni ≤0.0064; Cu ≤0.0040; V ≤0.0115; Ti ≤0.0500; Mo ≤0.0012; 微量元素总和 ≤0.1022。 块度：5kg±2kg
