Haynes 82 description: HAYNES 82 RTW filler metal wire is used for gas metal arc, gas tungsten arc and submerged arc welding of alloy 600, 601, 800 and 825. The alloy can also be used in dissimilar welding applications with carbon and stainless steels, HAYNES and HASTELLOY alloys and also nickel-copper alloys. The weld metal has good corrosion and oxidation resistance. The RTW filler metal fi nish on the spooled wire promotes smooth feeding through welding equipment and reduced tip wear in contact tips.