This code contains the requirements for are welding of structural shect/strip steels, including cold formed members,hereafter collectively referred to as“”sheet steel,” which are equal to or less than 3/16 in [5 mm] in nominal thickness. In addition, welding hollow structural section (HSS) also called tubular members with wall thickness less than 1/8 in [3 mm] are included in the scope of this code. Design requirements for HSS member conections are not in the scope of this code.When this code is stipulated in contract documents, conformance with all its provisions shall be required, except for those provisions that the Engineer or contract documents specifically modifies or exempts.
When used in conjunction with AWS D1./D1.IM, conformance with the applicable provisions of Annex A of AWS D1.3/D1.3M shall apply (see also Table 1.1). Two weld types unique to sheet seel, are spot and are seam, are included in this code.
