[MW:1531] RE: 1518] Significance of HOT PASS

I would say no, but keep in mind that some welders call the "hot pass" the weld pass after the root pass.

Joel Armstrong
J3 Welding Services, LLC
President

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From: materials-welding@googlegroups.com on behalf of rafique naik
Sent: Sun 2/8/2009 11:16 AM
To: materials-welding@googlegroups.com
Subject: [MW:1518] Significance of HOT PASS

Please let me know for A 106 B 16'' dia 12.7 mm thik pipe to pipe butt joint, if after root pass joint is left as it is for overnight and next morning welder wants to continue with hot pass, can he do welding without any pre heating..

Regards

Rafique

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