The Bernzomatic Bronze Flux-Coated Brazing and Welding Rods are ideal for everyday repairs involving steel, cast iron and copper metals. These rods also be used on galvanized iron, brass, stainless and chrome-plated materials, or any combination. With a tensile strength of 50,000 to 60,000 psi and a working temperature of 1,595 to 1,630 degrees Fahrenheit, they provide strong corrosion resistance and are intended for hard soldering, brazing and welding. Package includes four rods.