Long for arc seam welds.
Weld washers for metal deck.
Weld washers per the sdi construction manual are required when welding metal thicknesses equal to or less than 24 gauge however are not recommend for steel deck heavier or thicker than 22ga.
Weld washers are recommended for welding in deck panels thinner than 0 028 inches.
Weld washers used on 22ga or thicker steel may actually create a lower quality weld due to heat sinking and are not to be used or specified.
Metal deck is often installed using arc spot welds either with or without weld washers.
Ontario ca 91762 909 467 2016.
Weld washers available for metal deck applications available as follows.
When metal deck is to be welded to supports the effective fusion area is at least 1 2 in.
Diameter for arc spot welds or at least 3 8 in.
Metal deck supply provides weld washers metal deck weld washers metal decking weld washers form deck weld washers deck weld washers decking weld washers.
Arc spot welds also referred to as puddle welds.