|
序號
|
合金牌號
|
合金代號
|
化學成份
|
力學性能
(不低于)
|
|
||||||||||||
|
硅
|
銅
|
錳
|
鎂
|
鐵
|
鎳
|
鈦
|
鋅
|
鉛
|
錫
|
鋁
|
抗拉強度
|
伸長度
|
布氏硬度HB5
/250
/30
|
|
|||
|
1
|
YZA1Sil2
|
YL102
|
10.0
13.0
|
≤0.6
|
≤0.6
|
≤0.05
|
≤1.2
|
|
|
≤0.3
|
|
|
余
|
|
|||
|
220
|
2
|
60
|
|
||||||||||||||
|
2
|
YZA1Si10Mg
|
YL104
|
8.0
10.5
|
≤0.3
|
0.2
0.5
|
0.17
0.30
|
≤1.0
|
|
|
≤0.3
|
≤0.05
|
≤0.01
|
余
|
220
|
2
|
70
|
|
|
3
|
YZA1Si12Cu2
|
YL108
|
11.0
13.0
|
1.0
2.0
|
0.3
0.9
|
0.4
1.0
|
≤1.0
|
≤0.05
|
|
≤1.0
|
≤0.05
|
≤0.01
|
余
|
240
|
1
|
90
|
|
|
4
|
YZA1Si9Cu4
|
YL112
|
7.5
9.5
|
3.0
4.0
|
≤0.5
|
≤0.3
|
≤1.2
|
≤0.5
|
|
≤1.2
|
≤0.1
|
≤0.1
|
余
|
240
|
1
|
85
|
|
|
5
|
YZA1Si11Cu3
|
YL113
|
9.6
12.0
|
1.5
3.5
|
≤0.5
|
≤0.3
|
≤1.2
|
≤0.5
|
|
≤1.0
|
≤0.1
|
≤0.1
|
余
|
230
|
1
|
80
|
|
|
6
|
YZA1Si17Cu5Mg
|
YL117
|
16.0
18.0
|
4.0
5.0
|
≤0.5
|
0.45
0.65
|
≤1.2
|
≤0.1
|
≤0.1
|
≤1.2
|
|
|
余
|
220
|
<1
|
|
|
|
7
|
YZA1Mg5Sil
|
YL302
|
0.8
1.3
|
≤0.1
|
0.1
0.4
|
4.5
5.5
|
≤1.2
|
|
≤0.2
|
≤0.2
|
|
|
余
|
220
|
2
|
70
|
|
