铝合金棒材
概述
7075-T6 Aluminum Round Bar is a high-strength aluminum-zinc alloy offering excellent strength-to-weight ratio, good machinability, and high stress resistance. It is widely used for aerospace, defense, automotive, and high-performance engineering components.
尺寸范围
牌号标准
| 标准体系 | 数值 |
|---|---|
| 7075 / 7075-T6 | - |
| UNS A97075 | - |
化学成分
| 元素 | 数值 |
|---|---|
| Al | Balance |
| Zn | 5.1–6.1% |
| Mg | 2.1–2.9% |
| Cu | 1.2–2.0% |
| Fe | ≤0.50% |
| Si | ≤0.40% |
| Mn | ≤0.30% |
| Cr | 0.18–0.28% |
| Ti | ≤0.20% |
机械性能
| 性能 | 数值 |
|---|---|
| Tensile Strength | ≥570 MPa |
| Yield Strength | ≥500 MPa |
| Elongation | ≥6% |
| Hardness | Approx. 150 HB |
物理性能
| 性能 | 单位 | 数值 |
|---|---|---|
| Density | - | 2.81 g/cm³ |
| Elastic Modulus | - | 71.7 GPa |
| Thermal Conductivity | - | Approx. 130 W/m·K |
| Melting Range | - | 477–635°C |
应用场景
- Aerospace Components
- Aircraft Structures
- Defense Components
- Automotive Parts
- High-Strength Shafts
- Gears & Fittings
- Precision Machined Parts
- High-Performance Engineering Components