牌号：Alloy K500
其他国家对应牌号：ASTM B 865
用途描述：Its basic composition is similar to that of Alloy 400 but
with age-hardening properties imparted by alloying additions of Al and Ti .
化学成分：
| Ni | Cr | Mo | Cu | Fe | etc |
| 66.5 | - | - | 29.5 | 1.0 | Al 2.7 Ti 0.6 |
机械性能：
| | H
W | C
W | A n |
| 抗拉强度 | 1078 | 1078 | 1000 |
| 机械性能 | 屈服强度 | 902 | 902 | 686 |
| 延伸率 | 25 | 22 | 28 |
| 硬度 | 305 | 310 | 285 |
