Both versatile and strong, these bronze flux-coated rods are ideal for everyday repairs of steel, cast iron and copper metals. Can also be used on galvanized iron, brass, stainless and chrome-plated materials, or any combination of them. Provides strong corrosion resistance. Intended for hard soldering, brazing and welding with a tensile strength of 50,000 to 60,000 psi, and a working temperature of 1,595 to 1,630 degrees Fahrenheit. Includes four rods.