| 牌号 | GX30CrNiSiNb24-24 |
| 德国W-Nr. | 1.4855 |
| 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1050°C |
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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 GX30CrNiSiNb24-24 1.4855 - 80 46 22 7.5 - 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 GX30CrNiSiNb24-24 1.4855 8 14.6 0.50 17.0 18 18.5 -
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 GX30CrNiSiNb24-24 1.4855 25 24 Nb X35CrNiNb25-24 1.4830 - -
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