Yes you can. Because deletion of Backing is a Non Essential variable for WPS and since welder is qualified without backing he can weld with backing also. Make sure that the WPS is not affecting the essential variables of the qualified welder.
-- Regards
Prabhakar. S
On Tue, Jan 31, 2012 at 8:07 PM, Aly <mhaskar.aly@gmail.com> wrote:
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Dear experts,Could you please clarify following;If I have qualified WPS with backing & qualified Welder without backing; with this can we weld single side welded joint without backing.Please reply me in the light of ASME SEC IX.Thanks in advanceAli Mhaskar
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