宝山钢铁股份有限公司（简称“宝钢股份”）是中国最大、最现代化的钢铁联合企业。宝钢股份以其诚信、人才、创新、管理、技术诸方面综合...
| 牌号 | X45CrSi9-3 |
| 1.4718 | |
| 对应标准 | NF EN 10090-1998
阀门用钢和合金 Valve steels and alloys for internal combustion engines |
| 归类 | 马氏体不锈钢 |
| 密度 | 7.7 g/cm3 |
| Designation | Reference heat treatment condition | Tensile strength at: N/mm2 ① | |||||||
| Name | Number | 500°C | 550°C | 600°C | 650°C | 700°C | 750°C | 800°C | |
| X45CrSi9-3 | 1.4718 | +QT | 500 | 360 | 250 | 170 | 110 ② | - | - |
| ① The values given here are situated near the lower limit of the scatter range. ② This grade should not be used at 700°C and above. |
| Designation | Reference heat treatment condition | 0.2% proof strength at: N/mm2 ① | |||||||
| Name | Number | 500°C | 550°C | 600°C | 650°C | 700°C | 750°C | 800°C | |
| X45CrSi9-3 | 1.4718 | +QT | 400 | 300 | 240 | 120 | 80 ② | - | - |
| ① The values given here are situated near the lower limit of the scatter range. ② This grade should not be used at 700°C and above. |
| Designation | Creep strength after 1000 h at: N/mm2 ① | ||||
| Name | Number | 500°C | 650°C | 725°C | 800°C |
| X45CrSi9-3 | 1.4718 | 190 | 40 | - | - |
| ① Mean values of scatter range determined until now. |
| Designation | Hot forming ℃ | Soft annealing ℃ | Quenching or solution heat treatment ℃ | Quenching agent | Tempering or artificial ageing ℃ | |
| Name | Number | |||||
| X45CrSi9-3 | 1.4718 | 1100 to 900 | 780 to 820 a or w | 1000 to 1050 | o | 720 to 820 a or w |
| ◎ a=air; o=oil; w=water |
| 静态弹性模量 | 20°C与各温度间热膨胀系数 | 热导率 | 比热容 | 磁性 | |||
| 20°C | 100°C | 300°C | 500°C | 700°C | 20°C | 20°C | 有 |
| KN/mm2 | 10-6 K-1 | W/m.K | J/kg.K | ||||
| 210 | 10.9 | 11.2 | 11.5 | 11.8 | 21 | 500 | |
宝山钢铁股份有限公司（简称“宝钢股份”）是中国最大、最现代化的钢铁联合企业。宝钢股份以其诚信、人才、创新、管理、技术诸方面综合...
