Monday, May 25, 2015

[MW:23031] Local PWHT of butt welds in piping

For long piping(Carbon steel, alloy steel), butt welding of large diameter(219mm OD TO 606mm OD, THK - 18.26mm to 42 mm )pipes is carried out. 
For PWHT of these butt welds, what are the parameters shall be considered for effective PWHT?

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