| Hi I think you are seeing hardfacing for first time. Any hardfacing welding will give "stress relief checks or cracks" and are acceptable. You cant avoid them. Only care you should take is that these cracks should not propagate to the base metal and to avoid this a buffer layer is used before hardfacing. Regards Prem Nautiyal
--- On Sat, 9/8/12, Bhupendrasinh Gohil <bbgohil2009@gmail.com> wrote:
From: Bhupendrasinh Gohil <bbgohil2009@gmail.com>
Subject: [MW:15244] Hard facing on Hammer IS;276 Mn steel Gr.III Reg.
To: materials-welding@googlegroups.com
Date: Saturday, September 8, 2012, 11:36 AM
As per Client Requirement Hard facing is Required on the Hammer Mn steel Gr.III and Hardness should be maintain 400 to 500BHN.10mm thk Hardfacing is required on four side Now are doing Hardfacing on the Hammer. First we are making Buffer layer with FCAW process and than we are used GMAT-3200 Electrode for Hard facing. But problem is that after welding Hard Facing are found crack at so many place.
So kindly Give us your Valuable feedback to resolve our matter.
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Regards,
Bhupendrasinh Gohil
MSEL
BARODA
GUJARAT
(Mob.)09687322281
Araise and awake untill u reach the goal.....
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