• GB/T 3077 50CrMo4 Alloy Steel Plate
  • 50CrMo4 is one of the last grades that is classified as structural steel for thermal improvement and its only similar steel grade is 50H - not containing Molybdenum.

    50CrMo4 steel with a particular composition are dedicated for vehicles and machines that require high hardness and are subject to strong bending, twisting, abrasion and wear loads.

    Chemical composition (%) of steel 50CrMo4:

    C

    Si

    Mn

    P

    S

    Cr

    Mo

    0.46 - 0.54

    max   0.4

    0.5 - 0.8

    max   0.025

    max   0.035

    0.9 - 1.2

    0.15 - 0.3

    GB/T 3077 50CrMo4 Mechanical properties:

    Yield
    Rp0.2 (MPa)

    Tensile
    Rm (MPa)

    Impact
    KV/Ku (J)

    Elongation
    A (%)

    182 (≥)

    769 (≥)

    44

    32

    GB/T 3077 50CrMo4 steel application:
    50CrMo4 steel is used as semi-finished products for the manufacture of components such as crankshafts, cogwheels, heavy-duty axles, gears, valves, heavy-duty screws, thrust rollers, guides, articulated joints, thrust rings, bolts or bushes.

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