AA 7039 Aluminum Alloy
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系列: Aluminum Alloy
Zinc Alloy (Al-Zn). AA designation 7039.
性能评级
Performance Radar
| 性能 | Rating |
|---|---|
| Strength | 5 / 10 |
| Corrosion Res. | 6 / 10 |
| Lightweight | 9 / 10 |
| Machinability | 8 / 10 |
| Affordability | 7 / 10 |
| Heat Res. | 4 / 10 |
成分
机械性能
| 抗拉强度 | 414.0 MPa |
| 屈服强度 | 328.0 MPa |
| 伸长率 | 15.1% |
| 硬度（洛氏） |
化学成分
| 元素 | 百分比 (%) |
|---|---|
| Al | 92.13 |
| Cr | 0.15 |
| Cu | 0.085 |
| Fe | 0.265 |
| Mg | 2.5 |
| Mn | 0.265 |
| Si | 0.17 |
| Ti | 0.055 |
| Zn | 4.21 |
| Zr | 0.085 |
购买渠道 AA 7039 Aluminum Alloy
说明
AA 7039 is a weldable high-strength aluminum-zinc-magnesium alloy (~3.5–4.5% Zn, 2.3–3.3% Mg) with zinc and magnesium content balanced to allow welding without sensitization to stress corrosion cracking. It achieves T64 temper through controlled artificial aging and offers significantly higher strength than 5083 in welded structural applications. Primary uses include armored military vehicle hulls, structural armor plates, and welded high-strength structural components.