The selection from the welding procedure or procedures for use can be based on that Generally utilized for welding the material in question during the thickness and posture demanded. Shielded metal arc welding might be utilized more often; having said that, submerged arc welding is employed for fabricating huge thick http://www.pickmemo.com/post/31629_standing-seam-siding-features-vertical-metal-panels-with-raised-seams-offering-a.html