OEM ADI castings (Austempered Ductile Iron) refer to Original Equipment Manufacturer castings made from a heat-treated ductile iron alloy. This process enhances the material's strength, toughness, and wear resistance, making it suitable for various applications like gears, sprockets, and transmission components. 

Here's a More Detailed Breakdown:

OEM (Original Equipment Manufacturer): This signifies that a company designs and manufactures components or products to be used and marketed by another company. 

ADI (Austempered Ductile Iron): This is a specialized type of ductile iron that undergoes a specific heat treatment process called austempering. This treatment results in a microstructure that provides superior strength and ductility compared to standard ductile iron. 

Castings: These are components produced by pouring molten metal into a mold and allowing it to solidify into the desired shape. 

Advantages of ADI Castings:

High Strength and Toughness: ADI offers excellent strength, toughness, and wear resistance, making it suitable for demanding applications. 

Improved Fatigue Resistance: The microstructure of ADI helps to improve fatigue strength, which is crucial for components subjected to repeated stress. 

Weight Savings: ADI can be used to create thinner-walled parts compared to other materials while maintaining strength, leading to potential weight reduction. 

Part Reduction: The high strength of ADI allows for the creation of complex shapes and can reduce the need for multiple parts in an assembly, leading to lower production costs and faster assembly times. 

Cost-Effectiveness: ADI offers a cost-effective alternative to steel and aluminum parts in certain applications, while providing comparable mechanical properties. 

Applications of ADI Castings:

Gears and Sprockets: ADI is frequently used in gears and sprockets due to its strength, wear resistance, and fatigue resistance. 

Transmission Components: ADI's high strength and durability make it ideal for various transmission parts in heavy-duty vehicles and machinery. 

Suspension Parts: ADI is used in suspension systems due to its ability to absorb shocks and vibrations. 

Automotive, Heavy Truck, and Railroad Applications:

ADI's high strength and durability are valued in a wide range of applications in the automotive, heavy truck, and railroad industries. 

Construction and Mining Equipment: ADI components are used in equipment that experiences high stress and wear.    

ADI 1400-2 Material Properties: