牌号 | G-CoCr28 |
---|---|
德國W-Nr. | 2.4778 |
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1100°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 G-CoCr 28 2.4778 - 70 34 16 6 - 1100 -
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 G-CoCr 28 2.4778 8.1 9.2 0.50 15.5 17.0 18 -
焊接資料
Material suitable fillet metal Heat treatment designation number Covered
electrode
(symbol)
Wire or rod
(symbol)Material
number
prior to welding after welding G-CoCr 28 2.4778 G-CoCr 28 -
2.4778 - -
注:數據僅供參考!如有疑問,請填寫"我要糾錯"!