Applications of HARDOX 400 Steel in the Mining Equipment Sector

HARDOX 400 steel plays a crucial role in the mining industry, where machinery and components are subjected to extreme abrasion, heavy impact loads, and harsh working environments. With its nominal hardness of approximately 400 HBW and excellent combination of toughness and durability, HARDOX 400 steel has become a preferred material for various mining equipment parts that require long service life and reliable performance.
One of the most common applications of HARDOX 400 steel is in bucket liners and loader attachments. These components frequently contact abrasive materials such as rock, gravel, and ore. The steel’s high hardness significantly slows down wear, reducing maintenance frequency and increasing operational efficiency. Its toughness ensures that the liners can endure repeated impact from large stones without cracking.
In dump truck bodies and haulage systems, HARDOX 400 steel resists the abrasive sliding wear caused by continuous loading and unloading of mined materials. The steel’s ability to maintain uniform hardness through its thickness provides consistent wear patterns, helping operators predict service intervals and reduce unexpected downtime.
HARDOX 400 steel is also widely used in crusher liners, chutes, hoppers, and screens, where materials continuously strike or rub against metal surfaces. The martensitic microstructure of the steel ensures superior abrasion resistance while providing sufficient structural strength for high-pressure conditions inside crushing and processing equipment.
In addition, the steel’s good formability and weldability, when processed with proper procedures, make it suitable for fabricating complex components found in mining systems. This versatility allows engineers to design lightweight yet durable wear parts, improving fuel efficiency and equipment stability.
Overall, HARDOX 400 steel enhances productivity in mining operations by dramatically extending the lifespan of critical components, lowering maintenance costs, and ensuring consistent performance under harsh conditions. Its balance of hardness, toughness, and workability makes it a highly reliable material for demanding mining environments.