牌号 | GX40CrNiSi25-20 |
德国W-Nr. | 1.4848 |
对应标准 | DIN 17465-1993
耐热铸钢 Heat resisting steel castings - Technical delivery conditions |
归类 | 铸钢 |
标签 | 奥氏体型耐热铸钢 最高工作温度1100°C |
Material | 1% creep limit after 10000 h, in N/mm2, at a temperature, in °C, of | Maximum service temperature, in °C | ||||||
designation | number | 600 | 700 | 800 | 900 | 1000 | 1100 | |
GX40CrNiSi25-20 | 1.4848 | - | 66 | 36 | 17 | 7 | - | 1100 |
Material | Den- sity, in g/cm3 | Thermal con- ductivity, in W/K.m | Specific heat capacity at 20 °C, in J/g.K | Coefficient of linear thermal expansion, in 10-6 /K, at a temperature between 20 °C and | |||
designation | number | 400 °C | 800°C | 1000°c | |||
GX40CrNiSi25-20 | 1.4848 | 7.9 | 14.6 | 0.50 | 17.0 | 18.0 | 19.0 |
Material | suitable fillet metal | Heat treatment | ||||
designation | number | Covered electrode (symbol) | Wire or rod (symbol) | Material number | prior to welding | after welding |
GX40CrNiSi25-20 | 1.4848 | 25 20 hC* | X40CrNi25-21 | 1.4846 | 不预热或只稍微预热(到摸起来温暖)。 | 不需热处理 |
材料牌号对应供应商