GB/T 3077 50CrMo4 Alloy Steel Plate

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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