Weston Stainless, Midland, UK, is a well-established manufacturer and supplier of superior stainless steel products, serving all kinds of industrial requirements with precise-engineered solutions. Among its excellent products, Stainless Steel 440 Bars stand out for their remarkable hardness, wear resistance, and corrosion resistance. The bars, which are produced from Grade 440 stainless steel, can be found in various shapes like round, square, hexagonal, and flat bars. The material, which is a high-carbon martensitic stainless steel, possesses excellent strength and hardness, suitable for use in applications that demand high mechanical performance, superior hardness, and durability against harsh wear conditions.
440 Stainless Steel Bars possess a chemical composition of about 16-18% Chromium, 0.95-1.20% Carbon, 0.75% Molybdenum, and traces of Manganese, Silicon, and Phosphorus, improving their corrosion resistance and hardness. These bars exhibit excellent mechanical properties, including a tensile strength of 760-1970 MPa, yield strength of around 450 MPa, and a hardness of up to 60 HRC when heat-treated. Physically, they offer high density, excellent thermal conductivity, and oxidation resistance, making them suitable for high-temperature and high-stress environments where superior strength and stability are essential.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 440 | min. max. | 0.75 1.20 | – 1 | – 1 | – 0.04 | – 0.03 | 16 18 | – 0.75 | – | – |
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Stainless Steel 440 Bars are extensively employed in aerospace, automotive, medical, and manufacturing industries because of their superior hardness and wear resistance. They are frequently used to manufacture bearings, cutting tools, surgical instruments, pump shafts, and high-precision industrial parts demanding enhanced durability. The bars are also applied in marine, food processing equipment, and structural parts exposed to severe conditions. Their strength retention at high and low temperatures makes them perfect for heavy-duty use in demanding mechanical and engineering industries.
High hardness and wear resistance, ideal for making cutting tools, blades, and industrial components requiring strength and durability in moderate corrosive environments.
Their hardness and abrasion resistance, making them suitable for manufacturing components like blades, tools, and mechanical parts in various industrial applications.
Excellent strength and durability, ideal for applications requiring high wear resistance, such as tooling and machinery components, with good performance in moderate corrosive environments.
High-strength applications requiring durability and hardness, such as manufacturing tools, bearings, and structural components, offering excellent wear resistance and moderate corrosion resistance.
High hardness and resistance to wear, suitable for applications like cutting tools and industrial machinery components, providing strength and durability in various environments.
Robust hardness and wear resistance, ideal for structural applications and tooling, providing strength and durability in environments where high performance and resistance to abrasion are required.
Stainless Steel 440 Bars are accompanied by necessary test certificates, such as Mill Test Certificates (MTC) according to EN 10204 3.1/3.2, third-party inspection reports, and material traceability records. They are packed securely in wooden crates, pallets, or protective plastic wrapping to avoid damage during shipping. Labeling is properly done to ensure easy identification, and deliveries are well handled to address global demand, ensuring adherence to industry standards and timely shipping to customers across the globe.
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