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-Hardox Plates: Hardox is a registered trademark of SSAB (Swedish Steel AB), specializing in high-strength, abrasion-resistant steel plates. These plates are designed to withstand harsh conditions where abrasive materials and heavy impacts are prevalent.
-Composition: Hardox plates are primarily alloyed with carbon, manganese, chromium, and other elements to achieve specific mechanical properties. Typical compositions include varying levels of carbon (up to 0.30%), manganese (up to 2.0%), chromium (up to 1.4%), and other alloying elements like boron, niobium, and nickel, depending on the grade.
-Hardness: Hardox plates are renowned for their high surface hardness, which contributes to their superior abrasion resistance. Hardness levels typically range from 400 to 600 HBW (Brinell hardness).
-Toughness: Despite their hardness, Hardox plates maintain excellent toughness, allowing them to withstand impacts without brittle fracture, crucial in applications where equipment encounters heavy shocks.
-Strength: They offer high tensile strength, ensuring structural integrity under extreme conditions. This strength allows for reduced plate thicknesses compared to conventional structural steels, thereby saving weight while maintaining performance.
-Weldability: While Hardox plates are very hard, they can be welded using standard practices with proper preheating and post-weld treatments to maintain their properties around the weld area.
-Formability: Hardox plates exhibit moderate formability, allowing them to be bent and formed to certain extents without compromising their wear resistance.
-Corrosion Resistance: While not corrosion-resistant like stainless steels, Hardox plates are designed to withstand abrasive wear rather than corrosion. They may develop a patina over time but are not prone to rusting through in typical environments.
-Mining and Quarrying: Dump truck bodies, mining hoppers, and crushers.
-Construction: Bulldozer blades, demolition equipment, and earthmoving buckets.
-Recycling: Shredder knives, conveyor parts, and crushers.
-Agriculture: Tillage tools, harvesters, and forestry equipment.
-Manufacturing: Wear plates for industrial equipment subjected to abrasion.
Hardox plates are available in various grades such as Hardox 400, Hardox 450, Hardox 500, Hardox 550, and Hardox 600, each tailored to specific applications with varying hardness and toughness levels.
Hardox plates are recyclable and contribute to sustainable manufacturing practices by extending equipment lifecycles and reducing material waste.
Hardox plates are indispensable in industries requiring durable, abrasion-resistant materials capable of withstanding extreme wear and impact. Their unique combination of hardness, toughness, and strength makes them a preferred choice for manufacturers and operators looking to optimize performance and longevity in challenging operational environments. Understanding their composition, properties, and applications helps in selecting the right grade of Hardox plate for specific industrial needs.