[MW:23048] Re: Local PWHT of butt welds in piping

Alan 

thanks .We intend to follow B 31.1 POWER PIPING CODE AS FABRICATION CODE IS ASME B 31.1

On Tuesday, May 26, 2015 at 10:19:30 AM UTC+5:30, Vishwas Keskar Welding Manager Pune India wrote:

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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