Welding of 410 Stainless Steel

[Vikas Bhandari]

Hi

I am looking to weld 410 wrought stainless steel, there is a requirement to build up parent material because of incorrect machining.

AWS A 5.9 ER410 is the filler wire.

Considering the carbon and Chromium content, looking for a preheat of 200°C with maximum interpass as 315°C.

I take it ,No interruption during welding will be good for joint. Material will be constantly maintained at the minimum preheat temperature during welding.

 

For post weld heat treatment , I am thinking of bringing the material to 100°C (This is to ensure that there is complete transformation of the weld and HAZ to martensite ) and then follow this with PWHT for 4 hours.

 

I am thinking of tempering temp of 610°C ( 20°C below tempering temperature of the material).

 

Any recommendation in this regard will be greatly appreciated.

Thanks & best regards

Vikas

[Vishwas Keskar]

Dear Vikas ji 

 tempering temp of 610°C ( 20°C below tempering temperature of the material).  

This PWHT temp is too low for softening martensite.

,make it at 720-730 Deg C for @2 hrs 

Regards

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[George Dilintas]

At your place I would read carefully the Table UHA-32-1 is ASME BPVC Section VIII-1

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Dr. Georgios Dilintas,

Dipl. Ing. In Aeronautic and Space Engineering

Ph.D in Mechanics of Solids - Computational Mechanics

A.I.S, A.N.I, IRCA Lead Auditor

Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis