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X40CrSiMo10-2簡(jiǎn)介

牌號(hào) X40CrSiMo10-2
1.4731
對(duì)應(yīng)標(biāo)準(zhǔn) NF EN 10090-1998
閥門(mén)用鋼和合金
Valve steels and alloys for internal combustion engines
歸類(lèi) 馬氏體不銹鋼
密度 7.7 g/cm3
X40CrSiMo10-2 化學(xué)元素成分含量(%)
成分 C Si Mn P S Cr Ni Mo
最小值 0.35 2 - - - 9.5 - 0.8
最大值 0.45 3 0.8 0.04 0.03 11.5 0.5 1.3
◎ 未經(jīng)買(mǎi)方同意,不得隨意向鋼中添加表中未列的元素,冶煉精加工除外。采取一切必要措施以防在廢鋼和生產(chǎn)原料中帶入這些元素,因?yàn)槠鋾?huì)削弱鋼的機(jī)械性能,降低鋼的適用性。 ① 為改善連鑄,可在詢價(jià)和訂貨時(shí)商定含量為0.50%至1.50%。 碳當(dāng)量計(jì)算
X40CrSiMo10-2 機(jī)械性能
條件 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
%
斷面收縮率
ψ
%
硬度
HBW
鋼材: +A HB:≤ 300
鋼材:d≤40 +QT 900 to 1100 700 ① 14 ① 40① HB:266 to 325
◎ d=厚度;+A=軟化退火;+Q=淬火;+P=沉淀硬化;+AT=固溶退火;+QT=淬火及回火;熱處理符號(hào)后綴數(shù)字表示溫度/°C ① 這些值位于散射范圍的下限附近。

  • 高溫抗拉強(qiáng)度

    DesignationReference heat
    treatment
    condition
    Tensile strength at:
    N/mm2
    Name Number500°C550°C600°C650°C700°C750°C800°C
    X40CrSiMo10-21.4731+QT550420300220130 ②--
    ① The values given here are situated near the lower limit of the scatter range.
    ② This grade should not be used at 700°C and above.


  • 高溫屈服強(qiáng)度

    DesignationReference heat
    treatment
    condition
    0.2% proof strength at:
    N/mm2
    Name Number500°C550°C600°C650°C700°C750°C800°C
    X40CrSiMo10-21.4731+QT450350260180100 ②--
    ① The values given here are situated near the lower limit of the scatter range.
    ② This grade should not be used at 700°C and above.

  • 蠕變強(qiáng)度

    DesignationCreep strength after 1000 h at:
    N/mm2
    Name Number500°C650°C725°C800°C
    X40CrSiMo10-21.473121040--
    ① Mean values of scatter range determined until now.


  • 熱處理指南

    DesignationHot forming


    Soft
    annealing

    Quenching or
    solution heat
    treatment
    Quenching
    agent
    Tempering or
    artificial ageing

    Name Number
    X40CrSiMo10-21.47311100 to 900780 to 820
    a or w
    1000 to 1050o720 to 820/
    a or w
    ◎ a=air; o=oil; w=water

  • 物理性能

    靜態(tài)彈性模量20°C與各溫度間熱膨脹系數(shù)熱導(dǎo)率比熱容磁性
    20°C100°C300°C500°C700°C20°C20°C
    KN/mm210-6 K-1W/m.KJ/kg.K
    21010.911.211.511.821500


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