HARDOX 450 – Swedish SSAB Wear-Resistant Steel
HARDOX 450 is a high-performance wear-resistant steel plate with a Brinell hardness of 450HB. It offers excellent cold formability and is specifically designed for applications where wear resistance is critical. The material also exhibits outstanding weldability, making it ideal for fabrication in harsh environments.
This grade is widely used in heavy-duty equipment such as dump trucks, containers, crushers, screening machines, feeders, hoppers, lifting devices, blades, conveyor systems, buckets, gears, sprockets, and more. Its versatility makes it a popular choice across various industries, including mining, construction, and agriculture.
HARDOX 450 is classified as a fine-grained steel, which contributes to its superior mechanical properties and toughness. The hardness range of the steel is typically between HBW 425 and 475, ensuring long-lasting performance under extreme conditions.
In terms of mechanical properties, HARDOX 450 has a yield strength (Re) of 1200 MPa, a tensile strength (Rm) of 1400 MPa, and an elongation (A5) of 10% for a 20 mm thick plate. These values make it highly suitable for applications that require both strength and durability.
The impact toughness of HARDOX 450 is also impressive, with a Charpy-V impact energy of 45 J at -40°C. This ensures the material remains tough even in low-temperature environments, making it ideal for use in cold climates or refrigerated applications.
HARDOX 450 is delivered in a quenched condition, which enhances its hardness and wear resistance. It complies with the EN 10204 standard, specifically version 3.1, ensuring consistent quality and traceability.
Due to its combination of high hardness, strength, and toughness, HARDOX 450 is an excellent choice for components exposed to severe wear and abrasion. Its wear resistance significantly extends the lifespan of parts like dump truck bodies, excavator buckets, and crusher components.
The high hardness of HARDOX 450 is achieved through a specialized water quenching process on SSAB’s advanced production line. This process not only increases the hardness but also allows for a lower alloy content, resulting in a material that is easier to machine, bend, and weld.
Applications include, but are not limited to: dump truck bodies, vibrating screens, feed hoppers, buckets, blades, scraper conveyors, and gear systems. Whether you're looking for long-lasting performance or cost-effective solutions, HARDOX 450 delivers reliable results in the most demanding environments.
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