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 degree Fahrenheit. Includes four rods.