寶山鋼鐵股份有限公司（簡(jiǎn)稱“寶鋼股份”）是中國(guó)最大、最現(xiàn)代化的鋼鐵聯(lián)合企業(yè)。寶鋼股份以其誠(chéng)信、人才、創(chuàng)新、管理、技術(shù)諸方面綜合...
| 牌號(hào) | X85CrMoV18-2 |
| 1.4748 | |
| 對(duì)應(yīng)標(biāo)準(zhǔn) | NF EN 10090-1998
閥門用鋼和合金 Valve steels and alloys for internal combustion engines |
| 歸類 | 馬氏體不銹鋼 |
| 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 | |
| X85CrMoV18-2 | 1.4748 | +QT | 550 | 400 | 300 | 230 | 180 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 | |
| X85CrMoV18-2 | 1.4748 | +QT | 500 | 370 | 280 | 170 | 120 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 |
| X85CrMoV18-2 | 1.4748 | 260 | 52 | 18 | - |
| 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 | |||||
| X85CrMoV18-2 | 1.4748 | 1100 to 900 | 820 to 860 retarded cooling | 1050 to 1080 | o | 720 to 820/ a |
| ◎ a=air; o=oil; w=water |
| 靜態(tài)彈性模量 | 20°C與各溫度間熱膨脹系數(shù) | 熱導(dǎo)率 | 比熱容 | 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 | |
寶山鋼鐵股份有限公司（簡(jiǎn)稱“寶鋼股份”）是中國(guó)最大、最現(xiàn)代化的鋼鐵聯(lián)合企業(yè)。寶鋼股份以其誠(chéng)信、人才、創(chuàng)新、管理、技術(shù)諸方面綜合...
