Njabulo Stainless, based in Cape Town, South Africa, is a leading manufacturer and supplier of Stainless Steel 440 Bars. These bars are made from high-carbon martensitic stainless steel, offering exceptional hardness, wear resistance, and mechanical strength. Njabulo Stainless ensures precise dimensions, smooth surfaces, and consistent quality for industrial, structural, and manufacturing applications. Stainless Steel 440 bars are widely used in automotive, aerospace, heavy machinery, chemical, and industrial equipment industries, where durability and long-lasting performance are essential. They provide reliable and strong solutions for components requiring high strength and resistance to wear and corrosion.
Stainless Steel 440 Bars are made from martensitic stainless steel 440, containing high carbon (0.95–1.20%) and chromium (16–18%). This composition provides excellent hardness, tensile strength, and wear resistance, while maintaining moderate corrosion resistance. Mechanically, 440 bars offer high fatigue strength, toughness, and dimensional stability, making them suitable for high-stress, high-load, and precision applications. Their martensitic structure ensures durability under mechanical and thermal stress. Precision manufacturing guarantees smooth surfaces and accurate dimensions, allowing for fabrication into critical components that require long-lasting performance and high mechanical strength.
| 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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We ensures that all Stainless Steel 440 Bars will meet quality standards; this includes extensive testing and certification. Every batch is inspected thoroughly, including chemical analysis, mechanical tests, and checks on dimensions. Thorough reports are issued at the time of certification that guarantees international standards about performance, durability, and reliability of the products.
440 round bars offer high hardness and wear resistance, ideal for making cutting tools, blades, and industrial components requiring strength and durability in moderate corrosive environments.
440 flat bars are known for their hardness and abrasion resistance, making them suitable for manufacturing components like blades, tools, and mechanical parts in various industrial applications.
440 square bars provide excellent strength and durability, ideal for applications requiring high wear resistance, such as tooling and machinery components, with good performance in moderate corrosive environments.
440 rectangular bars are used in high-strength applications requiring durability and hardness, such as manufacturing tools, bearings, and structural components, offering excellent wear resistance and moderate corrosion resistance.
440 hexagonal bars deliver high hardness and resistance to wear, suitable for applications like cutting tools and industrial machinery components, providing strength and durability in various environments.
440 T-bars offer 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 widely used in automotive, aerospace, industrial machinery, tooling, and heavy equipment industries. They are ideal for producing bearings, gears, shafts, valve components, knives, and precision tools that require hardness, wear resistance, and strength. In chemical and industrial applications, 440 bars provide durable corrosion-resistant components. They are also used in cutting tools, dies, and mechanical parts, where reliability and long-lasting performance are critical. Overall, 440 stainless steel bars offer a robust, high-performance solution for manufacturing, engineering, and industrial applications that demand strength, precision, and resistance to wear and corrosion.
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