|
组别
|
牌号
|
化学成分
|
|
镍黄铜
|
HNI65-5
|
CU64.0-67.0,FE≤0.15,PB≤0.03,NI5.0-6.5,ZN余量,杂质总和≤0.3
|
|
HNI56-3
|
CU54.0-58.0,FE0.15-0.5,PB≤0.2,NI2.0-3.0,AL0.3-0.5,ZN余量,杂质总和≤0.6
|
|
|
铅黄铜
|
HPB89-2
|
CU87.5-90.5,FE≤0.10,PB1.3-2.5,NI≤0.7,ZN余量
|
|
HPB66-0.5
|
CU65.0-68.0,FE≤0.07,PB0.25-0.7,ZN余量
|
