Steel Type	Country Code	C(%)	V(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)	Mo(%)
L6	ASTM	0.65-0.75		0.1-0.5	0.25-0.80	≦0.03	≦0.03	0.6-1.2	≦0.5
SKT3	CNS	0.5-0.6	≦0.2	≦0.35	0.6-1.0	≦0.03	≦0.03	0.9-1.2	0.3-0.5
5CrMnMo	GB	0.5-0.6		0.25-0.60	1.2-1.6	≦0.03	≦0.03	0.6-0.9	0.15-0.30
SKT3	JIS	0.5-0.6	≦0.2	≦0.35	0.60-1.05	≦0.03	≦0.03	0.9-1.2	0.3-0.5
40CrMn-Mo7	DIN	0.35-0.45		0.2-0.4	1.3-1.6	≦0.035	≦0.035	1.8-2.1	0.15-0.25
SKT4	CNS	0.5-0.6	0.05-0.15	0.1-0.4	0.6-0.9	≦0.03	≦0.02	0.8-1.2	0.20-0.25
5CrNiMo	GB	0.5-0.6		≦0.4	0.5-0.8	≦0.03	≦0.03	0.5-0.8	0.15-0.30
SKT4	JIS	0.5-0.6	0.05-0.15	0.1-0.4	0.6-0.9	≦0.03	≦0.02	0.8-1.2	0.2-0.5