The main differences between national standard aluminum materials 6063-T6 and 6063-T5 lie in chemical composition, heat treatment status, mechanical properties and applicable scenarios.
1. Comparison of chemical composition:
| Materials | 6063-T5 | 6063-T6 |
| 硅（Si） | 0.20-0.6% | 0.2-0.6% |
| 铁（Fe） | ≤0.35% | ≤0.35% |
| 铜（Cu） | ≤0.10% | ≤0.10% |
| 锰（Mn） | ≤0.10% | ≤0.10% |
| 镁（Mg） | 0.45-0.9% | 0.35-0.6% |
| 铬（Cr） | ≤0.10% | ≤0.10% |
| 锌（Zn） | ≤0.10% | ≤0.10% |
| 钛（Ti） | ≤0.10% | ≤0.10% |
| 铝（Al） | Rest | Rest |
2.Comparison of heat treatment states:
cc6063-T5: After air cooling and aging treatment, the deformation coefficient is small.
• 6063-T6: After water cooling and aging treatment, the deformation coefficient is large and the hardness is high.
3. Comparison of mechanical properties:
4. Comparison of applicable scenarios:
• 6063-T5: Applicable to places with low strength requirements, such as decoration, doors and windows.
• 6063-T6: Applicable to industries with higher strength, such as glass curtain walls, external structures of high-rise buildings, automobile manufacturing and aerospace12.
5. Price difference:
Generally speaking, the price of 6063-T6 is higher than that of 6063-T5 because it has higher strength and hardness and is suitable for scenarios with higher requirements.
