类别	牌号	化学成分/%
		Cr			C	Si		P		S
		范围	Ⅰ	Ⅱ		Ⅰ	Ⅱ	Ⅰ	Ⅱ	Ⅰ	Ⅱ
			≥		≤
微碳铬铁	FeCr69C0.03	63.0-75.0			0.03	1.0		0.03		0.25
	FeCr55C3		60.0	52.0	0.03	1.5	2.0	0.03	0.04	0.03
	FeCr69C0.06	63.0-75.0			0.06	1.0		0.03		0.25
	FeCr55C6		60.0	52.0	0.06	1.5	2.0	0.04	0.06	0.03
	FeCr69C0.10	63.0-75.0			0.10	1.0		0.03		0.25
	FeCr55C10		60.0	52.0	0.10	1.5	2.0	0.04	0.06	0.03
	FeCr69C0.15	63.0-75.0			0.15	1.0		0.03		0.25
	FeCr55C15		60.0	52.0	0.15	1.5	2.0	0.04	0.06	0.03
低碳铬铁	FeCr69C0.25	63.0-75.0			0.25	1.0		0.03		0.25
	FeCr55C25		60.0	52.0	0.25	1.5	3.0	0.04	0.06	0.03	0.05
	FeCr69C0.50	63.0-75.0			0.50	1.0		0.03		0.25
	FeCr55C50		60.0	52.0	0.50	1.5	3.0	0.04	0.06	0.03	0.05
	FeCr69C1.0	63.0-75.0			1.0	1.0		0.03		0.25
	FeCr55C100		60.0	52.0	1.0	1.5	3.0	0.04	0.06	0.03	0.05
	FeCr69C2.0	63.0-75.0			2.0	1.0		0.03		0.25
	FeCr55C200		60.0	52.0	2.0	1.5	3.0	0.04	0.06	0.03	0.05
	FeCr69C4.0	63.0-75.0			4.0	1.0		0.03		0.25
	FeCr55C400		60.0	52.0	4.0	1.5	3.0	0.04	0.06	0.03	0.05
高碳铬铁	FeCr67C6.0	62.0-72.0			6.0	1.0		0.03		0.04	0.06
	FeCr55C600		60.0	52.0	6.0	1.5	5.0	0.04	0.06	0.04	0.06
	FeCr67C9.5	62.0-72.0			9.5	1.0		0.03		0.04	0.06
	FeCr55C1000		60.0	52.0	10.0	1.5	5.0	0.04	0.06	0.04	0.06