NS-102 CopperFree™ is a low alloy, high strength solid filler metal containing 0.5% molybdenum to maintain hardness and strength following post weld heat treatment. The manganese and silicon assist in producing a smooth, uniform weld bead and help minimize spatter.NS-102 CopperFree™ provides the ultimate in flexibility to support your GMAW operations.Excellent mechanical propertiesManufactured according to ISO9001:2008 quality standardsExcellent arc starts, arc stability and feedabilityMinimal spatterNo copper flakingModerate de-oxidizersExcellent weld appearance and post weld cleaning