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USA ASTM Special Steel 18Ni Maraging Steel，及该型号钢材的基本信息、化学元素成分、机械性能、力学性能、热处理温度、同等型号参照表等。
USA ASTM Special Steel 18Ni Maraging Steel，及该型号钢材的基本信息、化学元素成分、机械性能、力学性能、热处理温度、同等型号参照表等。
| 分类 | 种类 | 型号 | 标准 | 国家 | 应用 |
|---|---|---|---|---|---|
| Steel Grades | 18Ni Maraging Steel | ASTM | USA | Typical applications for maraging include missile and rocket motor cases, landing and takeoff gear, munitions, aerospace, extrusion tooling, die casting, high performance shafting, gears and fasteners. |
| 元素名称 | 含量比例值 |
|---|---|
| C | 0.03 |
| Si | 0.10 |
| Mn | 0.10 |
| P | 0.010 |
| S | 0.010 |
| Cr | 0.50 |
| Ni | 18.00-19.00 |
| Mo | 4.60-5.20 |
| 屈服强度Rp0.2（MPa） | 抗拉强度Rm（MPa） | 冲击率 | 伸长率 | 断面收缩率 | 热处理状态 | 布氏硬度（HBW） |
|---|---|---|---|---|---|---|
| 713 (≥) | 414 (≥) | 13 | 41 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 |
| 温度 | 弹性模量 | 系数 | 热导率 | 比热容量 | 比电阻率 | 密度 | 加权系数 |
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.23 | - | |||
| 838 | 332 | - | 22.3 | 423 | - | ||
| 579 | - | 31 | 43.2 | 424 | 111 |
| 热处理温度区间 |
|---|
| Heat treated : 1657°C - 1761°C |
| 型号 | 标准 | 国家 | 应用 |
|---|---|---|---|
| 0Cr18Ni9 | China | Austenitic steel | |
| 20Cr-18Ni+Mo+Cu | AISI | USA | |
| 20Cr-18Ni+Mo+Cu | AISI | USA | |
| GS-18NiMoCr3 6 | DIN | Germany | |
| GS-18NiCrMo12 6 | DIN | USA | |
| Y1Cr18Ni9 | GBT | China | Improve the machinability, ablation resistance. Suitable for automatic lathe production of bolt and nut |
| 1Cr18Ni9 | GBT | China | High strength after cold forming, but elongation than 1 cr17ni7 slightly worse. Used in architectural decoration parts |
| Y1Cr18Ni9Se | GBT | China | Improve the machinability, ablation resistance. Suitable for automatic lathe production of rivets, screws |
| 00Cr18Ni10N | GBT | China | In 00cr19ni10 adding N, on the basis of the above grades also features, use the same as the 0 cr19ni9n, but better intergranular corrosion resistance |
| 1Cr18Ni12 | GBT | China | Compared with 0 cr19ni9, processing low hardenability. Used for spinning processing, special drawing, cold heading |
| 12Cr18Ni9 | GBT | China | Stainless steel bars |
| Y12Cr18Ni9 | GBT | China | Stainless steel bars |
| Y12Cr18Ni9Se | GBT | China | Stainless steel bars |
| 06Cr18Ni9Cu3 | GBT | China | Stainless steel bars |
| 10Cr18Ni12 | GBT | China | Stainless steel bars |
| 06Cr18Ni12Mo2Cu2 | GBT | China | Stainless steel bars |
| 022Cr18Ni14Mo2Cu2 | GBT | China | Stainless steel bars |
| 03Cr18Ni16Mo5 | GBT | China | Stainless steel bars |
| 06Cr18Ni11Ti | GBT | China | Stainless steel bars |
| 06Cr18Ni11Nb | GBT | China | Stainless steel bars |
