Dear Balaji,
You're not correct , the welder is perfectly qualified to weld using 8018 electrodes(Not 8028).Both falls under F4.See the extract from ASME Sec-IX FYI.
Thanks.
Pradip Goswami,P.Eng.
Welding & Metallurgical Engineer/Specialist
Ontario Power Generation Inc.
Email-pgoswami@sympatico.ca,
pgoswami@quickclic.net
-----Original Message-----
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Balaji
Sent: Friday, August 13, 2010 6:47 AM
To: Materials & Welding
Subject: [MW:6479] Re: Welder qualified
Dear Venkat
Nope. He can't weld P-4 material using
E8028 electrodes, since F numbers are different. As per Sex IX, for welder qualification, F numbers are essential variables.
Regards
Balaji
On Aug 12, 2:53 pm, venkat ramana <venkatgps.ram...@gmail.com> wrote:
> Dear All,
>
> Please let me know, my query is A welder was qualified with a P-1 test
> coupon using SMAW E7018 electrodes. May the welder weld P-4 material
> using
> E8028 electrodes with backing in production? (Assume the P-4 procedure
> using
> E8028 electrodes has been qualified)
>
> Thanks & Regards
> Venkat
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