其他说明
| 尺寸公差Dimensional Tolerance | |||||
| 外径范围 Range of OD | 外径 OD | 壁厚 WT | 偏壁度 Siding | 椭圆度 Out of Round | 弯曲度 |
| Bow/1220mm | |||||
| ≤6mm | &plun;2.0% | &plun;10% | 12% | 2.00% | 2.5mm |
| 6.00-15.00mm | &plun;1.25% | &plun;8% | 10% | 1.50% | 2.5mm |
| 15.00-20.00mm | &plun;1.25% | &plun;10% | 15% | 1.50% | 2.5mm |
| 20.00-25.00mm | &plun;1.25% | &plun;10% | 15% | 1.50% | 2.5mm |
| 25.00-30.00mm | &plun;1.35% | &plun;12% | 15% | 1.50% | 2.5mm |
| 30.00-80.00mm | &plun;1.5% | &plun;14% | 15% | 2.00% | 2.5mm |
| 化学成份 Chemical composition 单位:unit:ppm | |||||||||||
| 铝 Al | 铁 Fe | 钾 K | 钠 Na | 锂 Li | 钙 Ca | 镁 Mg | 铜 Cu | 锰 Mn | 铅 Pb | 硼 B | 钛 Ti |
| 20 | 1 | 3.5 | 3.5 | 1 | 2 | 0.5 | 0.3 | 0.5 | <0.01 | <0.2 | 2 |
| 物理性能:Physical Properties | |
| 密度 Density 20℃kg*m-3(×103) | 2.2 |
| 热膨胀系数 Coefficient of expansion 25-300℃℃-1(×10-6) | 0.56 |
| 点 Softening point(℃) | 1710 |
| 退火点 Annealing point(℃) | 1230 |
| 变形点 Strain point(℃) | 1140 |
| 杨氏模量 Youngs modulus(Pa) | 7.3×105 |








