牌号 | GX30CrSi6 |
德国W-Nr. | 1.4710 |
对应标准 | DIN 17465-1993
耐热铸钢 Heat resisting steel castings - Technical delivery conditions |
归类 | 铸钢 |
标签 | 铁素体型耐热铸钢 最高工作温度750°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 | |
GX30CrSi6 | 1.4710 | 19.5 | 8 | 2.5 | - | - | - | 750 |
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 | |||
GX30CrSi6 | 1.4710 | 7.7 | 18.8 | 0.50 | 12.5 | 13.5 | - |
Material | suitable fillet metal | Heat treatment | ||||
designation | number | Covered electrode (symbol) | Wire or rod (symbol) | Material number | prior to welding | after welding |
GX30CrSi8 | 1.4710 | 9 19 9 18 8Mn 22 12 | X8Cr9 X5CrNi19-9 X15CrNiMn18-8 X12CrNi22-12 | 1.4716 1.4302 1.4370 1.4829 | 根据横截面尺寸, 预热到300~500°C | 760~800°C 消除应力 |