Re: [MW:15705] Higher thick Piping Welding SEC-IX : Welder position

Dear Mohd.

 

A Welding Procedure Specification (WPS) is a written document that provides direction to the welder or welding operator for making production welds in accordance with Code requirements.

QW-252 to 265 states the Variables of WPS. In WPS we are checking the quality requirement of the joint. It could be done by any welder.

On Thu, Oct 18, 2012 at 8:49 PM, mohd <mohd52100@gmail.com> wrote:

Dear friends,

I want ur opinion on following matters

WPS qualification of Piping higher thickenss above 19mm (Dia 12" to 36") welding with two welders.==SEC IX

Question-1: Is it require one welder should weld entire circumference(ROOT+HOT) ;then second welder weld entire circumference (FILL+CAP)

YES OR NO

Question-2  Both the welder weld half circumference at same time (side-A 12-9-6,,,,SIde-B 12-3-6)===SEC IX

YES OR NO.

Question 3 : OR its depend on WPS how we have qualified with welder situation.(as per Question-1&Question-2)

YES OR NO.

regards,

mohd.

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Thanks & Regards
Biplab Pal
Welding Inspector

E-mail:   biplab.mech@gmail.com
 
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