| 牌号 | GX40CrNiSi25-12 |
|---|---|
| 德國W-Nr. | 1.4837 |
| 對應标準 | DIN 17465-1993
耐熱鑄鋼 Heat Resisting Steel Castings - Technical Delivery Conditions |
| 歸類 | 鑄鋼 |
| 标簽 | 奧氏體型耐熱鑄鋼 最高工作溫度1050°C |
-
高溫性能及最高使用溫度
Material 1% creep limit after 10000 h, in N/mm2,
at a temperature, in °C, ofMaximum service
temperature,
in °Cdesignation number 600 700 800 900 1000 1100 GX40CrNiSi25-12 1.4837 - 50 26 12.5 5.5 - 1050 -
物理性能
Material Den-
sity,
in
g/cm3Thermal
con-
ductivity,
in W/K.mSpecific heat
capacity
at 20 °C,
in J/g.KCoefficient of linear thermal expansion,
in 10-6 /K, at a temperature
between 20 °C anddesignation number 400 °C 800°C 1000°c GX40CrNiSi25-12 1.4837 7.8 14.6 0.50 17.5 18.5 19.0 -
焊接資料
*hC表示高含碳量Material suitable fillet metal Heat treatment designation number Covered
electrode
(symbol)Wire or rod
(symbol)Material number prior to welding after welding GX40CrNiSi25-12 1.4837 25 20 hC* X40CrNi25-21 1.4846 不預熱或隻稍微預熱(到摸起來溫暖)。 不需熱處理
注：數據僅供參考！如有疑問，請填寫"我要糾錯"！