Re: [MW:5028] A number

It is a weld metal chemical composition only for ferrous metals to differiantiate the chemical composition or otherwise easy to identify the weld metal by numbering

kgp

On Mon, May 3, 2010 at 1:47 AM, Muhammed Ibrahim <ibratech@gmail.com> wrote:

Hi,

 

A number means the chemical composition of filler metal. Same as P number, to
reduce the number of PQRs ASME  Sec IX grouped the filler metal with A numbers.

A number is essential variable. If any change in A number it calls for new procedure qualification. We can use different AWS classification with same A number according to the applicability without new qualification of PQR.

 

Regards,

Ibrahim

 

On 3 May 2010 09:45, arijoy roy <bhaitu1@yahoo.com> wrote:

Dear Please explain to me the significance of the A number mentioned in ASME Sec-IX With Regards Arijoy Roy

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Thanks & Regards
Muhammed Ibrahim PK

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