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Digger bucket teeth The patented high silicon wear resistant cast steer was autorized to produce under the permission of singhua University(ZL 99105704.X).With silicon as the main alloying element,high silicon wear resistant cast steer utilizes a new invented composition,casting and heat treatment technique in the production.the micro structure of high silicon wear resistant cast steel is composed of austenite-bainite (A-B) or austenite-bainite-martensite (A-B-M)phases.High silicon wear resistant cast steel has many characteristics such as high strength,high toughness,excellent wear and impact resistance etc.,it is a new kind of wear resistant material substituting for high manganese steel and high chromium cast iron.