材料類別	寶鋼企業(yè)標(biāo)準(zhǔn)	牌號	說明
低碳鋼和/或超低碳鋼	Q/BQB420	DC51D+Z DC51D+ZF	一般用
		DD51D+Z
		DC52D+Z DC52D+ZF	沖壓用
超低碳鋼		DC53D+Z DC53D+ZF	深沖用
		DC54D+Z DC54D+ZF	特深沖用
		DD54D+Z
		DC56D+Z DC56D+ZF	超深沖用
碳素鋼或低合金鋼		S220GD+Z,S220GD+ZF S250GD+Z,S250GD+ZF S280GD+Z,S280GD+ZF S320GD+Z,S320GD+ZF S350GD+Z,S350GD+ZF S550GD+Z,S550GD+ZF	結(jié)構(gòu)用
加磷高強度鋼		H220PD+Z,H220PD+ZF	冷成形用
		H260PD+Z,H260PD+ZF
低合金高強度鋼		H300LAD+Z,H300LAD+ZF H340LAD+Z,H340LAD+ZF H380LAD+Z,H420LAD+Z
		HR340LAD+Z HR420LAD+Z
超低碳高強度鋼		H180YD+Z,H180YD+ZF H220YD+Z,H220YD+ZF H260YD+Z,H260YD+ZF
烘烤硬化高強度鋼		H180BD+Z,H180BD+ZF H220BD+Z,H220BD+ZF H260BD+Z,H260BD+ZF