热镀锌产品供货标准及牌号

材料类别 宝钢企业标准 牌号 说明 低碳钢和/或超低碳钢 Q/BQB420 DC51D+Z DC51D+ZF 一般用 DD51D+Z DC52D+Z DC52D+ZF 冲压用 超低碳钢 DC53D+Z DC53D+ZF 深冲用 DC54D+Z DC54D+ZF 特深冲用 DD54D+Z DC56D+Z DC56D+ZF 超深冲用 碳素钢或低合金钢 S220GD+Z,S220GD+ZF S250GD+Z,S250GD+ZF S280GD+Z,S280GD+ZF S320GD+Z,S320GD+ZF S350GD+Z,S350GD+ZF S550GD+Z,S550GD+ZF 结构用 加磷高强度钢 H220PD+Z,H220PD+ZF 冷成形用 H260PD+Z,H260PD+ZF 低合金高强度钢 H300LAD+Z,H300LAD+ZF H340LAD+Z,H340LAD+ZF H380LAD+Z,H420LAD+Z HR340LAD+Z HR420LAD+Z 超低碳高强度钢 H180YD+Z,H180YD+ZF H220YD+Z,H220YD+ZF H260YD+Z,H260YD+ZF 烘烤硬化高强度钢 H180BD+Z,H180BD+ZF H220BD+Z,H220BD+ZF H260BD+Z,H260BD+ZF

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