Hi everybody
I want ot weld a pad of 20thk X 25X75 mm on a tube o/d 75 mm and I/d 60 mm. i want to provide inside cooling in tube by providing water flow and after that i shall do welding. I want to know what effect that procedure produce on weld mtal due to increased cooling rate. The tube material is ST-52 and consumable is ER70S-6.
If anyone have solution then please give me.
Sandy
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