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Abrasion resistant steel is a type of steel that is hardened and tempered during production to resist grinding, abrasion, and high-speed impact. It is commonly used in heavy industries such as mining, forestry, and water treatment as liners in mills, crushers, and excavating equipment. The steel is formulated with hardening agents such as carbon and manganese and may also include corrosion-resistant stainless grades. The steel is tough and malleable enough to weld and form, with most varieties being face hardened only. Brinell hardness values typically range from 350 to 650.
Abrasion resistant steel is a term that describes any steel product treated to produce superior resistance to grinding or abrasion and high speed impact from hard or heavy materials. These steel products are found in applications such as impact tools, mills and crushers, transport chutes and excavating machine buckets. Abrasion resistant steel is typically hardened and tempered during production and contains carbon and manganese as hardening agents. It is also often formulated to include other specific features such as corrosion resistant stainless grades. Abrasion resistant steel variants typically exhibit Brinell hardness values between 350 and 650.
Steel is an umbrella term used to describe a large family of iron alloys, all specifically engineered to possess certain desirable characteristics which include corrosion resistance, extreme hardness, and abrasion resistance. Abrasion resistant steel is specifically formulated to be tough and tough enough to offer a high degree of resistance to aggressive surface abrasion while remaining malleable enough to weld and form. This is accomplished by heating the steel and quenching it, or cooling it, rapidly in a liquid. Hardening agents such as carbon and manganese are added to the steel during the alloying process in amounts pertinent to the specifications of the intended end product. Other processes may also be applied to the steel during melting which can add characteristics such as corrosion resistance to stainless grades.
These abrasion resistant steel products are typically used in sheet form as linings in applications that have constant flows of abrasive aggregates and high velocity suspensions across their surfaces. Common industrial uses for these products include heavy industry, mining, forestry, and water treatment. In these applications, Abrasion Resistant Steel Sheets are used as mill and crusher liners, conveyor chute liners, pump impellers, and liners in the buckets of heavy excavating equipment. Percussion tools such as jackhammer bits are also often made of abrasion resistant steel.
Extreme hardness throughout the steel body is rarely a feature of abrasion resistant steel products, with most varieties being face hardened only. This allows the steel to offer good surface resistance to abrasion while remaining relatively easy to weld and shape. A hard surface and more malleable body also allow the steel to withstand the impact of hard or heavy aggregates. It also ensures that tools made from these steels will not experience impact-induced fracture failure. Average Brinell hardness values for abrasion resistant steel plates range from 350 to 650.
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