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MIG Flux Cored and Open Arc Wires for Build-up and Hardfacing Overlay Ni-Matrix® Open arc wire with high ductility, strength, and can be cut with oxy/fuel torch. Has excellent resistance to heavy impact and compressive loads. Ideal for manganese steel parts. Use to attach wear plates, blades, teeth, and other parts to heavy equipment. Also for mill hammers, crusher liners, dipper teeth and lips, dragline buckets and railroad frogs and switches. As welded — 90 Rc B. Work-hardened — 48 Rc. Available in 7/64" (2.8mm) x 60-lb. (27.22 kg) coils. Overlay Ni-Matrix® CR Work-hardening, austenitic, manganese steel, gasless flux-cored wire alloyed with chromium and nickel to improve weld deposit properties.  It is designed for build-up and fabricating of manganese ssteel. Deposits are very tough, and work-harden rapidly in-service under high impact. All-position. DC Reverse Polarity. Excellent weldability. Can be flame cut. Use for build-up of crusher jaws, cones and roll shells, gyratory crusher mantels, hammer mill hammers and impact breaker bars. Can weld multi-pass without deslagging. For joining or overlaying. Deposits are non-machinable. As welded - 15-20 Rc. Work-hardened- 50-55 Rc. Available in .045" (1.1mm), 1/16" (1.6mm), and 7/64" (2.8mm) x 25-lb (11.34 kg) spools. Overlay Roll Matrix® For heavy impact and compression open arc wire. Use on tractor pads, rollers, sprockets, idlers, hammers, wobblers, shafts, gear teeth, and other carbon steel parts that require build-up. Available in 7/64" (2.8mm) x 60-lb. (27.22 kg) coils. Rc 25 to 30. Overlay 48 Open arc wire with exceptionally good compressive strength and high hardness. Deposits may be heat treated, are forgeable, and can be cut with oxy/fuel torch. Can be used on carbon steel, low alloy steel, and cast iron. For conveyor, dragline and shovel buckets, lips, sides, scraper blades and dredge bucket parts. Deposits do not check crack. 48 Rc hardness. Available in 7/64" (2.8mm) x 50-lb. (22.68 kg) coils.