Metallurgical Base

How 20MnCr5 steel is different from 16MnCr5 steel?


20MnCr5 steel is a low alloyed engineering case hardening steel for parts which require core tensile strength of 1000 – 1300 N/mm² and good wearing resistance.

It is used in boxes, piston bolts, spindles, camshafts, gears, shafts and other mechanical controlling parts.

Also read about: What is corrosion or deterioration of metal?

Image: chemical composition of 16MnCr5 and 20MnCr5


16MnCr5 steel are alloyed case hardening engineering steels for parts which require core tensile strength of 800 – 1100 N/mm² and good wearing resistance. It is an engineering material typically used to manufacture piston bolts, camshafts, levers and other vehicle and mechanical engineering components.

Also read: What is difference between EN24 and EN8 steel?

16MnCr5/20MnCr5 Steel is defined as Mn-Cr case hardening steel as per EN10084 Standard. Compared with 16MnCr5, 20MnCr5 has a little higher on Carbon, Manganese and Chromium, both of them have good hardenability, machinability and wear resistance, but poor in weldability.

Mechanical properties:

Image: Mechanical properties of 16MnCr5 and 20MnCr5

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K Yashdeep

Hye there..! I am Yashdeep Kamal. I completed my Bachelor in Technology(Materials Science and Metallurgical Engineering). Engineer by passion, writer by choice. I have been writing about Composites, Ceramics, polymers, nanotechnology, advance materials and metallurgy etc. You can read about these topics here. Hope it may help you.

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