Oct 17, 2011 #1 MtnManBob Structural May 23, 2003 16 Hi Guys, have a project where will be welding to existing W 12x190 column. Has a 1 3/4" thick flange. Will welding require preheat?
Hi Guys, have a project where will be welding to existing W 12x190 column. Has a 1 3/4" thick flange. Will welding require preheat?
Oct 17, 2011 #2 Guest102023 Materials Feb 11, 2010 1,523 Do it anyway, even if the rules don't require it. Not less than 225°F for carbon steel. Are you butt welding two ends together, or just an attachment? (Because preheating is not just for heat-affected zones.) Upvote 0 Downvote
Do it anyway, even if the rules don't require it. Not less than 225°F for carbon steel. Are you butt welding two ends together, or just an attachment? (Because preheating is not just for heat-affected zones.)
Oct 17, 2011 Thread starter #3 MtnManBob Structural May 23, 2003 16 brimstoner, will be attaching 5/16" or 3/8" thick connection angles to flange, no butt welding. Upvote 0 Downvote
Oct 18, 2011 #4 metengr Materials Oct 2, 2003 15,478 Yes, I would locally preheat to 200 deg F. Upvote 0 Downvote
