Sep 10, 2013 #1 chas49 Industrial Jan 19, 2006 6 CA Should I weld type 310 ss fittings directly to SA 213 gr T91 .180" wall tube using ERNiCr3 or overlay the attachment areas with ERNiCr3 first. Note that the attachments are fairly small (slip spacers) and need a 1/4" fillet.
Should I weld type 310 ss fittings directly to SA 213 gr T91 .180" wall tube using ERNiCr3 or overlay the attachment areas with ERNiCr3 first. Note that the attachments are fairly small (slip spacers) and need a 1/4" fillet.
Sep 10, 2013 #2 stanweld Materials May 9, 2003 2,906 US We have welded them directly on four coal fired boilers and on two retrofits. Upvote 0 Downvote
Sep 10, 2013 #3 metengr Materials Oct 2, 2003 15,478 US As long as PWHT is being performed it makes no difference to the Grade 91 material. Upvote 0 Downvote
Sep 10, 2013 Thread starter #4 chas49 Industrial Jan 19, 2006 6 CA Thanks stanweld & metengr. This will help me to justify this method as primarily safe and very cost effective. Regards, Chas49 Upvote 0 Downvote
Thanks stanweld & metengr. This will help me to justify this method as primarily safe and very cost effective. Regards, Chas49