Wearbronze (Nickel Bronze/Nickel Silver), bare rod. For use with Oxy Acetylene Gas. For all steels and Cast irons. Free flowing, high strength build up and wear surfacing alloy. For shafts, gear teeth, valves, pistons, wear surfaces, sliders. Provides high friction resistance. Contains 10% Nickel. Tensile strength 100,000 psi (700Mpa). Use FXBRAJMTEN20 powder flux or paste flux (can slurry powder with water to form a paste).