Weldability refers to the capacity of steel to be welded into a satisfactory, crack free, sound joint under fabrication conditions without difficulty. Welding is possible in cold-formed steel elements, but it shall follow the standards given in AISI S100-2007, Section E.
1.When thickness less than or equal to 3/16” (4.76mm):
The various possible welds in cold formed steel sections, where the thickness of the thinnest element in the connection is 3/16” or less are as follows
- Groove Welds in Butt joints
- Arc Spot Welds
- Arc Seam Welds
- Fillet Welds
- Flare Groove Welds
2.When thickness greater than or equal to 3/16” (4.76mm):
Welded connections in which thickness of the thinnest connected arc is greater than 3/16” (4.76mm) shall be in accordance with ANSI/AISC-360. The weld positions are covered as per AISI S100-2007 (Table E2a)
Read more about this topic: Cold Formed Steel
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