good question my dear friend Yem Pee!
-- for all ss material the purging should ber required during welding, also upto 6mm root or 3 root the purging should be monitored, keep he oxygen level is below .05% and for alloy steel .01%.
--
*T.SURESHKUMAR. B.E, M.B.A, NDT LEVE-II.,
QA/QC INSPECTOR (PIPING, WELDING,STRUCTURAL)
DODSAL ENGINEERING & CONSTRUCTION PTE LTD,
ABUDHABI,
UAE.
*
*
*
--
*T.SURESHKUMAR. B.E, M.B.A, NDT LEVE-II.,
QA/QC INSPECTOR (PIPING, WELDING,STRUCTURAL)
DODSAL ENGINEERING & CONSTRUCTION PTE LTD,
ABUDHABI,
UAE.
*
*
On Tue, May 15, 2012 at 7:08 AM, mpk mpk <ranmi2007@gmail.com> wrote:
--Dear Experts,For dissimilar weld CS to SS (pipe)309 L for GTAW process for welding root purging required ?Thank youYem Pee
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