• GB/T 3077 15CrMo alloy steel
  • 15CrMo Steel pipe material grade is 15CrMo, is a high-quality low-alloy structural steel, which contains CR, MO more, its high temperature, corrosion-resistant performance is very good.

    The 15CrMo-series Pearlite-heat-resisting steels have high thermal strength (Δb≥440mpa) and anti-oxidation at high temperature, and have certain capability of resisting hydrogen corrosion. Because of the high content of CR, C and other alloying elements in steel, the hardening tendency of steel is obvious and the weld ability is poor.

    15CrMo steel chemical composition:

    Grade

    15CrMo steel chemical composition (mass fraction) ( % )

    C

    Mn

    Si

    Cr

    Mo

    Ni

    Nb + Ta

    S

    P

    15CrMo

    0.12 ~ 0.18

    0.40 ~ 0.70

    0.17 ~ 0.37

    0.80 ~ 1.10

    0.40 ~ 0.55

    ≤0.30

    _

    ≤0.035

    ≤0.035

    15CrMo mechanical properties of steel

    Grade

    Tensile strength MPa

    Yield point MPa

    Elongation ( % )

    15CrMo steel pipe

    440 ~ 640

    235

    twenty one

    15CrMo alloy seamless steel tube for its high temperature resistance, low temperature resistance , corrosion resistance has huge advantage over other seamless steel tubes, so the alloy tube are widely used in petroleum, chemical, electric power, boiler and other industries.

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