Cast steel, manganese steel, cast iron. Castings for the mining, aggregate, wood processing, forestry, oil and gas, and marine industries.Reliance Foundry - Quality Cast Steel, Cast Iron, Non-Ferrous Castings and Forging since 1927 QUALITY CASTINGS SINCE 1927 Reliance Foundry is one of the oldest casting suppliers in British Columbia. We have been supplying castings to various industries since 1927. Our product line includes castings produced in most common ferrous alloys (cast steel, manganese steel, cast iron, ductile iron) as well as non-ferrous alloys (aluminium, bronze, copper, etc). Our