Steel Type	Standard	Country Code	C(%)	V(%)	Si(%)	Al(%)	Mn(%)	P(%)	S(%)
Type A Class 1	A533	ASTM	≦0.25		0.15-0.4		1.15-1.5	≦0.035	≦0.035
Type B Class 1	A533	ASTM	≦0.25		0.15-0.40		1.15-1.50	≦0.035	≦0.04
Type C Class 1	A533	ASTM	≦0.25		0.15-0.30		1.15-1.50	≦0.035	≦0.035
SQV1A	8973	CNS	≦0.25		0.15-0.3		1.15-1.5	≦0.035	≦0.04
SQV1A	G3120	JIS	≦0.25		0.15-0.3		1.15-1.5	≦0.035	≦0.04
SQV1B	8973	CNS	≦0.25		0.15-0.3		1.15-1.5	≦0.035	≦0.04
SQV1B	G3120	JIS	≦0.25		0.15-0.3		1.15-1.5	≦0.035	≦0.04
Type A Class 2	A533	ASTM	≦0.25		0.15-0.40		1.15-1.50	≦0.035	≦0.035
SQV2A	8973	CNS	≦0.25		0.15-0.30		1.15-1.50	≦0.035	≦0.04
SQV2A	G3120	JIS	≦0.25		0.15-0.30		1.15-1.50	≦0.035	≦0.04
20MnMoNi55	SEW-640	DIN	0.17-0.23	≦0.03	≦0.35	≦0.05	1.0-1.5	≦0.2	≦0.2
SQV2B	8973	CNS	≦0.25		0.15-0.30		1.15-1.50	≦0.035	≦0.04
SQV2B	G3120	JIS	≦0.25		0.15-0.30		1.15-1.50	≦0.035	≦0.04
Type B Class 2	A533	ASTM	≦0.25		0.15-0.40		1.15-1.50	≦0.035	≦0.035
SQV3A	8973	CNS	≦0.25		0.15-0.30		1.15-1.50	≦0.035	≦0.04
SQV3A	G3120	JIS	≦0.25		0.15-0.30		1.15-1.50	≦0.035	≦0.04
SQV3B	8973	CNS	≦0.25		0.15-0.30		1.15-1.50	≦0.035	≦0.04
SQB3B	G3120	JIS	≦0.25		0.15-0.30		1.15-1.50	≦0.035	≦0.035