Re: [MW:28982] Welding electrode

Designed for welding and regeneration of wear parts of 12-14% Mn steels, because 

of high tensile strength and impact energy. weldments provides resistant on impact, 

wear, abrasion etc. 

The  High Mn-content produces a fully austenitic deposit. The deposit is highly work hardening and hardens during service from originally 200-250 to 450 HB.

Machining is possible with tungsten carbide tool or could be ground.

E 312 or E 309 produces crack free welds and are better choices compared to E Fe Mn 

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On Thursday, 24 January, 2019, 7:56:59 AM IST, muneebslsa@gmail.com <muneebslsa@gmail.com> wrote:

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Why not EFeMn/ErFeMn?

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From: 'sridhar305@yahoo.com' via Materials & Welding

Date: 2019-01-21 17:04

To: materials-welding

Subject: Re: [MW:28951] Welding electrode

ASTM A 128 Gr. B-1 is  High Manganese cast steel with 11.5 to 14 % Mn,

C & Si under 1.0 %.You have not mentioned whether it is hard surfacing or 

repairing of broken casting.

Austenitic Mn steels with 14% Mn (also known as Hadfield steels) have a tendency 

to form brittle precipitates in the form of carbides. It is essential to weld without 

preheating, even with additional cooling and keep the specific heat input low.

E 312-16 with 30 Cr & 10 Ni will be ideal  It has two phase structure with substantial amount of ferrite in austenitic matrix. Weld metal is highly resistant to weld metal

cracks and fissures. 

Sridhar.

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-On Monday, 21 January, 2019, 3:14:05 PM IST, ksraghavn <sanirudh2000@gmail.com> wrote:

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Dear Sir,

I am using ASTM A128 Grade B1 Material welding , Please suggest Which electrode to be use.

Please share

Regards

ksraghavan

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