What is the normal hardness of en8d material? If material is case hardened which scale is used, e.g.: en8, en8d, en19,en9, a)? If material is not hardened. Hardening EN parts. Q&A’s, Problems & Solutions Can I get hardness of hrc all over EN9 parts? 55C with no dimensional change?. EN8 is a very popular grade of unalloyed medium carbon steel, which is readily Hardness. Brinell. Chemical composition. Carbon. %.

Author: Mijind Nejora
Country: Japan
Language: English (Spanish)
Genre: Business
Published (Last): 5 August 2005
Pages: 447
PDF File Size: 18.86 Mb
ePub File Size: 3.72 Mb
ISBN: 318-8-28435-371-9
Downloads: 41918
Price: Free* [*Free Regsitration Required]
Uploader: Arashigar

May Hi Rajkumar. Chemical composition are C – 0.

Hardening EN8 / EN9 parts. Q&A’s, Problems & Solutions

So can you help for getting hardness hrc? The forged shaft diameter is 45 mm and length is mm with one end disc diameter of mm and length 30 mm. It’s not possible to diagnose a finishing problem or the hazards of an operation via these pages.

And since this is a 0. Gardness are doing similar components; also specify whether dwg. But it didn’t help us. In 60 mm thick you need, at least, some boron and chromium in your composition to improve hardening depth. The surface of the material is reaching HRC but at the core of the material is getting only. EN 8 Mechanical Properties: How to check the grade material hardness?


We posted your question and we hope you will receive an answer! Hello, I would like to know about the volume hardening of En9 to achieve the core hardness of BHN. Yes, apart from my experience 0.

EN8 Carbon Steel, M40 BS Specification – Otai Special Steel

This should achieve better mechanical properties towards the core. With C45 material can I get hardness hrc by case hardening? If material is case hardened which scale is used, e. August 12th, 0 Comments.

And surface treatment is hard chrome plating. Is there any process or suggestion to remove this bend while preventing from any crack? Regards, vikas Vikas Kaushal – Chandigarh, India. We do hardening process with docking and cooling in salted water. Steel Grade required EN8 M Pin diameter is 25 mm.

What are the probable reasons for non achievement of haddness Regards, Ted Mooney, P. Mild Steel is used in mechanical engineering applications for parts that will not be subject to high stress.

Obviously it is possible to get hardness hrc in en 9, but please specify section thickness? I want to know how to achieve hardening in material EN8D. The main advantage of cold sn8 Steel is that Steel can be brought closer to the finished machine size, reducing machining costs.

November 29th, 0 Comments. September 30, A. May 24th, 0 Comments. EN8 steels are generally used in the as supplied untreated condition. Modern EN8 bright Mild Steel hardnrss a lot less carbon then it use to, this mean that it is possible to weld pieces up to 18mm thick without preheating using MIG wire SG2 or a electrode.


Steel EN8 materials in its heat treated forms possesses good homogenous metallurgical structures, giving consistent machining properties. Hello there, we make pins from 3 mm to 16 mm dia. Do you have a soak-and-water-quench facility?

EN8 Mild Steel

With en9 material can I get hardness of hrc on all over the part. November 8, A. And two steps are at both end with diameter 12g6. We did arc quenching and oil quenching. Harness information presented is for general reference and does not represent a professional opinion nor the policy of an author’s employer. May 17, A. EN8 Mild Steel Buy EN8 mild steel online at Metals4u The term Mild Steel applies to all low carbon Steel that does not contain any alloying elements in its makeup and has a carbon content that does not exceed 0.

All I can do is coach you on what I’ve learned from 20 years of running this forum: Quenching in oil or water after heating to this temperature will harden the steel.

Required case depth is 0.