PRODUCT INFORMATION Category: Stainless Steel Wire Alloy: WW2209 Class: ER2209 Description: Type ER2209 weld filler metal is intended to weld duplex stainless steels. The weld metal exhibits high tensile strength and improved resistance to stress, corrosion, cracking and pitting. The wire exhibits a lower ferrite. Chemical Composition C 0.03 max Cr 21.5-23.5 Ni 7.5-9.5 Mo 2.5-3.5 Si 0.90 max P 0.03 max S 0.03 max N 0.08-0.20 Cu 0.75 max