Mbemba Stainless is a prominent manufacturer and supplier located in Kinshasa, Congo, specializing in high-quality Stainless Steel 440C Coils. The company has built a reputation for producing top-notch coils that deliver outstanding hardness, wear resistance, and durability. Crafted from premium-grade 440C stainless steel and utilizing advanced processing techniques, these coils are perfect for demanding industrial applications that require exceptional mechanical strength and corrosion resistance. Mbemba Stainless caters to various industries, including automotive, aerospace, petrochemical, and engineering, ensuring that each Stainless Steel 440C Coil adheres to international quality standards for precision, reliability, and longevity.
Stainless Steel 440C Coils are made from high-carbon martensitic stainless steel, which contains chromium (16–18%), carbon (0.95–1.20%), along with trace amounts of manganese and silicon. This specific chemical makeup results in remarkable hardness, high tensile strength, and solid resistance to corrosion and oxidation, particularly when tempered and polished. On a mechanical level, 440C boasts high yield strength, superior wear resistance, and excellent edge retention, making it one of the hardest stainless steels on the market. It maintains its stability and strength even under high stress and temperature conditions.
| 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.
These Stainless Steel 440C Coils find extensive use in industries that demand strong, wear-resistant, and corrosion-protected materials. They are ideal for manufacturing blades, bearings, valve components, medical instruments, and precision tools. Additionally, these coils are employed in automotive parts, chemical processing equipment, and heat-treated mechanical components. Their exceptional hardness, strength, and resistance to pitting and scaling make them suitable for both structural and functional applications where durability and performance are crucial, especially in high-temperature and high-pressure environments.
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