Aluminum Alloy Deltalloy™ 4032: Elimination of Anodizing for Wear Resistant Applications

Deltalloy™ 4032 has been developed to eliminate anodizing in applications which have been typically anodized for wear resistance. The combination of silicon and nickel in an aluminum matrix results in exceptional wear resistance.

This product is available in screw machine stock form along with selected squares and rectangles. Deltalloy 4032 has already replaced 6262 and 2024 hard coat anodized parts in automotive steering column, brake master cylinder and transmission applications. This alloy can offer cost savings for potential users by eliminating anodizing. In particular, cost savings are realized by eliminating hard-coat anodizing, lower work-in-process inventories and the elimination of secondary grinding after hard-coat anodizing.

Information is given on structure, mechanical properties, wear and durability testing along with machinability. In addition, data will be presented on salt spray corrosion testing.