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:








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:

Rp0.2 (MPa)

Rm (MPa)

KV/Ku (J)

A (%)

182 (≥)

769 (≥)



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.

We Export 50CrMo4 to Following Countries:
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la huerta del duque is specialized in steel plate export. As a professional and reliable steel plate supplier, we have built cooperation with over 30 countries and regions, including USA, Europe, Saudi Arabia, Egypt, Bangladesh, Sri Lanka, Korea, Vietnam, Myanmar and so on.

For any steel plates we do not have in stock, we have developed relationships with a large number of manufacturers, mill depots, and master distributors, which enables us to locate and supply even the most unusual sizes and grades as per customer requirements - so called "one station" services...

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