PRODUCT INFORMATION Category: Stainless Steel Wire Alloy: WW320 Class: ER320 Description: ER320 is used to weld metals of similar composition in wrought and cast forms. The weld metal provides exceptionally good corrosion resistance to a wide range of chemical environments. This being a fully austenitic alloy, it requires low heat input during welding. Chemical Composition C 0.07 max Cr 19.0-21.0 Ni 32.0-36.0 Mo 2.0-3.0 Mn 2.5 max Si 0.60 max P 0.03 max S 0.03 max Cu 3.0-4.0 NB 8 x C min - 1.0 max