Key Alloy Elements In 6000 Series Aluminium Ingot
| 元素 / Element | 6061 | 6063 | 6082 | 6005 |
|---|---|---|---|---|
| 铝 / Aluminum (Al) | Balance | Balance | Balance | Balance |
| 硅 / Silicon (Si) | 0.4 – 0.8% | 0.2 – 0.6% | 0.7 – 1.3% | 0.6 – 0.9% |
| 铁 / Iron (Fe) | ≤ 0.7% | ≤ 0.35% | ≤ 0.5% | ≤ 0.35% |
| 铜 / Copper (Cu) | 0.15 – 0.4% | ≤ 0.1% | ≤ 0.1% | ≤ 0.3% |
| 锰 / Manganese (Mn) | ≤ 0.15% | ≤ 0.1% | 0.4 – 1.0% | ≤ 0.1% |
| 镁 / Magnesium (Mg) | 0.8 – 1.2% | 0.45 – 0.9% | 0.6 – 1.2% | 0.4 – 0.7% |
| 铬 / Chromium (Cr) | 0.04 – 0.35% | ≤ 0.1% | ≤ 0.25% | ≤ 0.1% |
| 锌 / Zinc (Zn) | ≤ 0.25% | ≤ 0.1% | ≤ 0.2% | ≤ 0.1% |
| 钛 / Titanium (Ti) | ≤ 0.15% | ≤ 0.1% | ≤ 0.1% | ≤ 0.1% |
| 其他 / Others | Each ≤ 0.05% | Each ≤ 0.05% | Each ≤ 0.05% | Each ≤ 0.05% |
| 合计 / Total | ≤ 0.15% | ≤ 0.15% | ≤ 0.15% | ≤ 0.15% |
How Chemical Composition Affects Performance
- Magnesium and Silicon Ratio: This combination forms the Mg2Si phase, which is essential for strengthening the alloy. The proportion of magnesium and silicon affects the alloy’s overall strength.
- Copper Content: Copper can increase strength, but excessive copper can reduce corrosion resistance.
- Manganese and Chromium: These elements improve corrosion resistance, prevent grain growth, and enhance the overall stability of the material.
Typical Applications
6000 series aluminium alloys are widely used due to their excellent properties in the following industries:
- Construction: Window frames, curtain walls, roofing materials.
- Transportation: Automotive bodies, truck trailers, railway carriages.
- Mechanical Equipment: Robotic frames, workstations, production line components.
- Electronics: Heat sinks, electronic casings.
Conclusion
The 6000 series aluminium alloys, with their ideal chemical composition, strike a perfect balance between strength, corrosion resistance, and workability, making them versatile for a wide range of applications. Understanding the chemical makeup of these alloys is essential for selecting the right material and optimizing product designs.
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