IF YOU DO NOT USE GAS BACKING DURING THE WELDING OF SS SOCKETS WE RISK TO HAVE SUGARING IN THE INTERNAL SURFACE OF THE WELDS.
IT WOULD BE BETTER NOT TO TAKE CHANCES AND USE GAS BACKING
best regards
Dr. Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
API 510 Inspector
I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS PIRAEUS - GREECE
Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Thursday, May 10, 2012
RE: [MW:14236] For stainless steel sockets welding purging need or not
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