壓鑄鋁合金的化學成分和力學性能表
| 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 | 10.013.0 | ≤0.6 | ≤0.6 | ≤0.05 | ≤1.2 | ≤0.3 | 余 | - | |||||||
| 220 | 2 | 60 | - | ||||||||||||||
| 2 | YZA1Si10Mg | YL104 | 8.010.5 | ≤0.3 | 0.20.5 | 0.170.30 | ≤1.0 | - | - | ≤0.3 | ≤0.05 | ≤0.01 | 余 | 220 | 2 | 70 | |
| 3 | YZA1Si12Cu2 | YL108 | 11.013.0 | 1.02.0 | 0.30.9 | 0.41.0 | ≤1.0 | ≤0.05 | - | ≤1.0 | ≤0.05 | ≤0.01 | 余 | 240 | 1 | 90 | |
| 4 | YZA1Si9Cu4 | YL112 | 7.59.5 | 3.04.0 | ≤0.5 | ≤0.3 | ≤1.2 | ≤0.5 | - | ≤1.2 | ≤0.1 | ≤0.1 | 余 | 240 | 1 | 85 | |
| 5 | YZA1Si11Cu3 | YL113 | 9.612.0 | 1.53.5 | ≤0.5 | ≤0.3 | ≤1.2 | ≤0.5 | - | ≤1.0 | ≤0.1 | ≤0.1 | 余 | 230 | 1 | 80 | |
| 6 | YZA1Si17Cu5Mg | YL117 | 16.018.0 | 4.05.0 | ≤0.5 | 0.450.65 | ≤1.2 | ≤0.1 | ≤0.1 | ≤1.2 | - | - | 余 | 220 | <1 | - | |
| 7 | YZA1Mg5Sil | YL302 | 0.81.3 | ≤0.1 | 0.10.4 | 4.55.5 | ≤1.2 | - | ≤0.2 | ≤0.2 | - | - | 余 | 220 | 2 | 70 | |
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