牌号 | G-CoCr28 |
---|---|
德国W-Nr. | 2.4778 |
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 |
-
高温性能及最高使用温度
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 -
焊接资料
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 - -
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