[MW:29530] REG : HARDFACING(ST-6) PRECAUTIONS OVER Cn3Mn CASTINGS

DEAR EXPERTS 

                               WHILE HARDFACING DONE IN PTA WELDING OVER CN3MN MATERIAL WE FOUND SMALL (3-4 MM LENGTH) CRACKS IN EVERY WHERE.PLEASE GUIDE US WHAT ARE ALL THE PRECAUTIONS WE CAN MADE BEFORE WELDING ?

REGARD'S

M.VENKATESAN

SRIMASSTECH 

CHENNAI

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