Steel throwing is a specific type of throwing including different sorts of steel. Steel castings are utilized when thrown irons can't convey enough quality or stun resistance.
Cast iron is a group of iron-carbon alloys with a carbon content greater than 2%. Its usefulness derives from its low melt temperature. The alloy constituents affect its colour when fractured: white cast iron has carbide
Ductile iron, also known as ductile cast iron, nodular cast iron, spheroidal graphite iron, spheroidal graphite cast iron and SG iron, is a type of cast iron invented in 1943 by Keith Millis. While most varieties of cast iron are brittle, ductile iron has much more impact and fatigue resistance, due to its nodular graphite inclusions.