Apply ss 316L as buffer layer thickness 2 mm
Then grind / machine the component to have uniform 2 mm buffer layer on whole assembly
Preheat 100 deg cel interpass 175 deg cel
Do not over heat base metal, temp shuold not cross 200 deg cel in any case
Apply pta powder
SLOW COOLING TO ROOM TEMPRATURE BY wraping in fire blanket
( if possible to replace pta by gmaw then use ERCocr-a wire for better result)
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[MW:35346] Cast-iron welding
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