Steel Type	Standard	Country Code	C(%)	Si(%)	Al(%)	Mn(%)	P(%)	N(%)	S(%)
SPHC	4622	CNS	≦0.15			≦0.60	≦0.05		≦0.05
SPHC	G3131	JIS	≦0.15			≦0.60	≦0.05		≦0.05
-	A569	ASTM	≦0.15			≦0.60	≦0.035		≦0.035
SPHD	4622	CNS	≦0.10			≦0.50	≦0.04		≦0.04
SPHD	G3131	JIS	≦0.10			≦0.50	≦0.04		≦0.04
-	A621	ASTM	≦0.10			≦0.50	≦0.02		≦0.03
StW22	1614/1	DIN	≦0.10			0.20-0.45	≦0.035		≦0.035
SPHE	4622	CNS	≦0.10			≦0.50	≦0.03		≦0.03
SPHE	G3131	JIS	≦0.10			≦0.50	≦0.03		≦0.03
StW23	1614/1	DIN	≦0.08			0.20-0.40	≦0.025	≦0.007	≦0.025