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GX30CrSi6簡(jiǎn)介

牌號(hào) GX30CrSi6
德國(guó)W-Nr. 1.4710
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 鐵素體型耐熱鑄鋼 最高工作溫度750°C
GX30CrSi6 化學(xué)元素成分含量(%)
成分 C Si Mn P S Cr
最小值 0.2 1 0.5 - - 6
最大值 0.35 2.5 1 0.035 0.03 8
碳當(dāng)量計(jì)算
GX30CrSi6 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 800～850 °C 退火 - - - HB30: ≤300①
①鑄態(tài)狀態(tài)的鑄件，最大硬度應(yīng)以協(xié)議為準(zhǔn)。

  • 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, of    		 Maximum service
    temperature,
    in °C
    designation number 600 700 800 900 1000 1100
    GX30CrSi6 1.4710 19.5 8 2.5 - - - 750

  • 物理性能

    Material Den-
    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
    designation number 400 °C 800°C 1000°c
    GX30CrSi6 1.4710 7.7 18.8 0.50 12.5 13.5 -

  • 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
    GX30CrSi8 1.4710 919 918 8Mn22 12

    X8Cr9

    X5CrNi19-9 X15CrNiMn18-8 X12CrNi22-12

    		 1.4716 1.4302 1.4370 1.4829

    根據(jù)橫截面尺寸，

    預(yù)熱到300~500°C

    760~800°C

    消除應(yīng)力

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