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GX30CrSi6简介

牌号 GX30CrSi6
德国W-Nr. 1.4710
对应标准 DIN 17465-1993
耐热铸钢
Heat resisting steel castings - Technical delivery conditions
归类 铸钢
标签 铁素体型耐热铸钢 最高工作温度750°C
GX30CrSi6 化学元素成分含量(%)
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
碳当量计算
GX30CrSi6 机械性能
产品 热处理或状态
抗拉强度
σb
Mpa
屈服点
σs
Mpa
断后伸长率或延伸率
δ
%
硬度
HBW
铸钢 800~850 °C 退火 - - - HB30: ≤300①
①铸态状态的铸件,最大硬度应以协议为准。

  • 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, 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 -

  • 焊接资料

    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

    根据横截面尺寸,

    预热到300~500°C

    760~800°C

    消除应力


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