This specification covers a low-carbon steel in the form of wire up to 0.249 inch (6.32 mm), incl supplied as coils of wire or, when specified, as straight lengths.
This specification covers requirements for resistance spot and seam welding of the following metals and their alloys. Group 1 - Aluminum and magnesium Group 2 - Iron, nickel, and cobalt Group 3 - Titanium