Njabulo Stainless, based in Cape Town, South Africa, is a trusted manufacturer and supplier of Stainless Steel 440C Coils. These coils are precision-rolled strips of 440C stainless steel wound into coil form for easy handling, storage, and fabrication. Grade 440C is a high-carbon martensitic stainless steel known for its exceptional hardness, wear resistance, and mechanical strength. Njabulo Stainless ensures smooth surfaces, uniform thickness, and precise dimensions. These coils are widely used in industrial applications where durability, corrosion resistance, and high performance are critical, making them ideal for manufacturing, engineering, and machinery components.
Stainless Steel 440C Coils are made from martensitic stainless steel 440C, 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. The coils have high fatigue strength, toughness, and dimensional stability, making them suitable for heavy-duty industrial applications. Precision rolling ensures uniform thickness and smooth surfaces, allowing easy fabrication and forming. These properties make 440C coils ideal for components that require long-lasting performance, high strength, and resistance to wear in demanding industrial environments.
| Standard | ASTM A240, ASME SA240 |
| Thickness | 0.1mm to 12 mm Thk |
| Coil Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm etc. |
| Coil Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm etc. |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sandblast, Brush, etching. |
| Finish | Hot rolled (HR), Cold rolled (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated), Galvanized etc. |
| Grade | C | Mn | Si | S | P | Cr |
| SS 440C | 0.20 max | 1.00 max | 1.00 max | 0.030 max | 0.040 max | 15.00 – 17.00 |
| lement | Density | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Hardness |
| SS 440C | 7.8 g/cm3 | MPa – 380 | MPa – 170 | 20 % | Rockwell B (HR B)- 88 / Brinell (HB)- 0.5t |
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Stainless Steel 440C HR slitting coils offer exceptional hardness and strength, making them perfect for precision-cutting tools and high-stress applications. Their durability and wear resistance enhance performance in demanding environments.
Stainless Steel 440C slitting coils provide excellent hardness and wear resistance, ideal for precision applications. Their durability and corrosion resistance make them suitable for high-stress components like cutting tools and bearings.
AISI 440C slitting coils are known for their high hardness and wear resistance. They are ideal for precision components such as cutting tools and bearings, offering durability and reliable performance.
We ensure complete transparency in delivering Stainless Steel 440C Coils with exceptional quality assurance. With every order, we provide essential documentation such as a commercial invoice, packing list, fumigation certificate, heat treatment chart, and a NABL-approved lab test report. We also offer a Material Test Certificate as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. Our documentation is carefully organized to ensure maximum client satisfaction.
Stainless Steel 440C Coils are widely used in manufacturing, automotive, aerospace, heavy machinery, and industrial equipment. They are ideal for producing bearings, gears, shafts, valve components, knives, and precision tools that require high hardness and wear resistance. In the chemical and petrochemical industries, they are used for corrosion-resistant mechanical parts. 440C coils are also used in cutting tools, dies, and industrial blades, where strength, durability, and precision are essential. Overall, these coils provide a reliable, high-performance solution for industrial, engineering, and manufacturing applications requiring tough, long-lasting stainless steel material.
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