Steel Type	Standard	Country Code	Si(%)	Mn(%)	Pb(%)	P(%)	S(%)	Fe(%)	Ni(%)
C7351P/C7351R	10440			≦0.5	≦0.1			≦0.25	16.5-19.5
C7351P/C7351R	H3100	JIS		≦0.5	≦0.1			≦0.25	16.5-19.5
C73500	B122M	ASTM		≦0.5	≦0.1			≦0.25	16.5-19.5
C7451P/C7451R	10440	CNS		≦0.5	≦0.1			≦0.25	8.5-11.5
C7451P/C7451R	H3100	JIS		≦0.5	≦0.1			≦0.25	8.5-11.5
C74500	B122M	ASTM		≦0.5	≦0.11			≦0.25	9.0-11.0
CuNi12Zn24	17663	DIN		≦0.5	≦0.05			≦0.3	11.0-13.0
C7521P/C7521R	10440	CNS		≦0.05	≦0.1			≦0.25	16.5-19.5
C7521P/C7521R	H3100	JIS		≦0.5	≦0.1			≦0.25	16.5-19.5
C75200	B122M	ASTM		≦0.5	≦0.01			≦0.25	16.5-19.5
CuNi18Zn20	17663	DIN		≦0.5	≦0.03			≦0.3	17.0-19.0
C7541P/C7541R	10440	CNS		≦0.5	≦0.1			≦0.25	12.5-15.5
BZn 15-20	5234	GB	≦0.15	≦0.3	≦0.02	≦0.005	≦0.01	≦0.5	13.5-16.5
C7541P/C7541R	H3110	JIS		≦0.5	≦0.1			≦0.25	12.5-15.5
C7701P/C7701R	H3130	JIS		≦0.5	≦0.1			≦0.25	16.5-19.5
C77000	B122M	ASTM		≦0.5	≦0.01			≦0.25	16.5-19.5