BAIENWEI is one of the competitive Al-35%Si,specialized in silicon aluminum alloys manufacturering.We can serve the designed free sample according to the customer's requestments,and welcome to import customized products in stock from our factory.

Due to low density, low CTE, ease of machining, dimensional stability.The Al-35%Si alloy,also named controlled expansion alloy(Si/Al) which can be used as bearings for engine block crankshaft.

Other compositions and specifications of Si/Al alloys are also available.