Material: carbon steel, alloy steel etc Heat treat: hardening and tempering, high frequency quenching etc Standard: DIN, ANSI 1. Platewheel: all platewheels we are supplying are suitable for chains made in accordance with standard DIN 8187 or ANSI, from simplex, duplex to triplex.2. Material: alloy steel, carbon steel, stainless steel, hardened & tempered steel, cast iron, aluminum, copper, brass ...