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G-NiCr28W簡(jiǎn)介

牌號(hào) G-NiCr28W
德國(guó)W-Nr. 2.4879
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 耐熱鑄鎳合金 最高工作溫度1150°C
G-NiCr28W 化學(xué)元素成分含量(%)
成分 C Si Mn P S Cr Ni W
最小值 0.35 0.5 - - - 27 47 4
最大值 0.5 2 1.5 0.035 0.03 30 50 5.5
G-NiCr28W 機(jī)械性能
產(chǎn)品 熱處理或狀態(tài)
抗拉強(qiáng)度
σb
Mpa 		屈服點(diǎn)
σs
Mpa 		斷后伸長(zhǎng)率或延伸率
δ
% 		硬度
HBW
鑄鋼 鑄態(tài) - - - -

  • 高溫性能及最高使用溫度

    Material1% creep limit after 10000 h, in N/mm2,
    at a temperature, in °C, of    		Maximum service
    temperature,
    in °C
    designationnumber60070080090010001100
    G-NiCr 28 W2.4879-7041221041150

  • 物理性能

    MaterialDen-
    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
    designationnumber400 °C800°C1000°c
    G-NiCr28W2.48798.214.60.5014.516.017

  • 焊接資料

    Materialsuitable fillet metalHeat treatment
    designationnumberCovered electrode (symbol)Wire or rod
    (symbol)    		Material numberprior to weldingafter welding
    G-NiCr28W2.4879NiCr28W

    -

    		2.4879

    -

    -


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