牌號(hào) | GX40CrNiSi27-4 |
德國(guó)W-Nr. | 1.4823 |
對(duì)應(yīng)標(biāo)準(zhǔn) | DIN 17465-1993
耐熱鑄鋼 Heat resisting steel castings - Technical delivery conditions |
歸類 | 鑄鋼 |
標(biāo)簽 | 鐵素體-奧氏體耐熱鑄鋼 最高工作溫度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 | |
GX40CrNiSi27-4 | 1.4823 | - | 21 | 9 | 4 | 1.5 | - | 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 | |||
GX40CrNiSi27-4 | 1.4823 | 7.6 | 16.7 | 0.50 | 13.0 | 14.5 | 16.5 |
Material | suitable fillet metal | Heat treatment | ||||
designation | number | Covered electrode (symbol) | Wire or rod (symbol) | Material number | prior to welding | after welding |
GX40CrNiSi27-4 | 1.4823 | 25 4 25 20 29 9 | X12CrNi25-4 X12CrNi25-20 X10CrNi30-9 | 1.4820 1.4842 1.4337 | 大截面或橫截面不同的產(chǎn)品需預(yù)熱 | 不需熱處理 |