|
锡青铜 |
QSN1.5-0.2 |
SN1.0-1.7,P0.03-0.35,ZN≤0.30,NI≤0.2,FE≤0.10,PB≤0.05,CU余量 |
|
QSN4-0.3 |
SN3.5-4.5,P0.03-0.35,FE≤0.10,PB≤0.5,ZN≤0.30,NI≤0.2,CU余量 |
|
|
QSN4-3 |
SN3.5-4.5,ZN2.7-3.3,AL≤0.002,FE≤0.05,PB≤0.02,NI≤0.2,P≤0.03,CU余量,杂质总和≤0.2 |
|
|
QSN |
SN3.0-5.0,ZN3.0-5.0,AL≤0.002,FE≤0.05,PB1.5-3.5,NI≤0.2,P≤0.03,CU余量,杂质总和≤0.2 |
|
|
QSN |
SN3.0-5.0,ZN3.0-5.0,AL≤0.002,FE≤0.05,PB3.5-4.5,NI≤0.2,P≤0.03,CU余量,杂质总和≤0.2 |
|
|
QSN6.5-0.1 |
SN6.0-7.0,ZN≤0.3,AL≤0.002,FE≤0.05,PB≤0.02,NI≤0.2,P0.10-0.25,CU余量,杂质总和≤0.1 |
