C97800铅镍青铜

Cu(铜)64.0-67.0

Sn(锡)4.5-5.5

Pb(铅)1.0-2.0

Zn(锌)1.0-4.0

Fe(铁)1.0

Sb(锑)0.20

Ni(镍)+Co(钴)24.0-26.0

S(硫)0.08

P(磷)0.05

Al(铝)0.005

Mn(锰)1.0

Si(硅)0.05