Hi Rajasekhar,
Please see the draft from IS-2062, with explanations on IS-2062 E 350 Cu. The purpose of "copper addition" is to improve the weathering or resistance to atmospheric corrosion. Copper forms a self adhesive layer of "Reddish oxide" which protects the rest of the material from corrosion (see the attached picture).
See the attached documents for your reference.
Pradip Goswami, P.Eng,IWE
Welding & Metallurgical Specialist
Ontario, Canada
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of RAJA SEKAR
Sent: Friday, August 02, 2013 7:01 AM
To: materials-welding@googlegroups.com
Subject: [MW:18330] Copper bearing steel
Please tell me the role of copper in steel(especially copper bearing steel like IS2062 E350 Cu)
Regards
Rajasekar
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