Steel Type	Standard	Country Code	Si(%)	Al(%)	Mn(%)	Fe(%)	Ni(%)	Zn(%)	Cu(%)
MB2	5153	GB		3.0-4.0	0.15-0.50		≦0.007	0.2-0.8
MP1	H4201	JIS	≦0.1		≧0.15	≦0.01	≦0.005	0.5-1.5	2.5-3.5
AZ31C	B90M	ASTM	≦0.1		0.15-1.00		≦0.003	0.5-1.5	2.4-3.6
MgAl3Zn	1729	DIN	≦0.1		0.05-0.40	≦0.03	≦0.005	0.5-1.5	2.5-3.5
MP4	H4201	JIS					≦0.005	0.8-1.5	≦0.03