Friday, September 3, 2010

[MW:6846] Re: PQR according to ASME section IX

What about the Welder Qualification? If welder has made a
qualification in plate according to ASME IX is it allowed to weld
pipes as well, if so from which diameter he is certified? and in which
paragraph can I find this in the rules. Because there is nothing
mentioned in QW 452.3 about this.

Best Regards,

Herman Pieper

On 3 sep, 11:43, hpi001 <pieper-...@kpnmail.nl> wrote:
> Dear All,
>
> I'm preparing some WPS documents for procedure qualifications and
> production documentation according to ASME section IX. In my opinion a
> procedure qualification made in plate is also valid for pipes
> according to ASME section IX as long as the essential variables are in
> range of the specification, but can anyone tell me the paragraph where
> this is mentioned in the rules? Welding process is PAW but this in my
> opinion is also not an essential variable for diameter qualification.
>
> Thanks in advance.
>
> Herman Pieper

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