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Hardness of EN-8 grade material



Q. How to check the grade material hardness?
Is it in c scale or b scale? (hrc / hrb)?
What is the normal hardness of en8d material?
If material is case hardened which scale is used, e.g.: en8, en8d, en19,en9, a8620)?
If material is not hardened, e.g.: m.s, l.c material, which scale is used?

auto parts - Gurgaon, India


Q. What is the Hrc of EN-8 material

kale pritam v
- pune maharashtra india

Ed. note: We were happy to post your inquiries, gentlemen, but please take the time to try to understand why despite many thousands of readers having seen them, no reader has yet chosen to address them. Please see our note that abstract questions usually go unanswered. Your questions can be rewritten to be far more likely to elicit responses from the readers. Best of luck!

September 30, 2011

A. EN 8 Mechanical Properties :
- Coils, Hot rolled : 240 BHN max.
- Coils, Hot rolled,Annealed: 180 BHN max

Vikram Hebbar
- Bangalore, Karnataka, India

EN8 Material hardening warped it

August 12, 2016

Q. An En8 material Sq. Bar has been bent right from its middle portion due to hardening of about 51 HRC on straight teeth of about 3 mm deep on its surface. Is there any process or suggestion to remove this bend while preventing from any crack? Please suggest.

Nitish Kumar
Designer - Faridabad,Haryana,India
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