Mbemba Stainless is a well-respected manufacturer and supplier of **Stainless Steel 420 Nuts** based in Kinshasa, Congo. They’re known for providing top-notch fastening solutions that stand out for their strength, durability, and precision. Crafted from high-quality 420 stainless steel, these nuts boast impressive hardness, wear resistance, and decent corrosion protection. Mbemba Stainless is committed to ensuring that every product meets international quality standards through cutting-edge production techniques and rigorous testing. They cater to various industries, including petrochemical, marine, automotive, and engineering, delivering reliable and long-lasting 420-grade stainless steel nuts that excel in tough environments where mechanical strength and durability are essential.
**Stainless Steel 420 Nuts** primarily consist of chromium (12–14%), carbon (0.15–0.40%), along with trace amounts of manganese, silicon, and molybdenum. This martensitic stainless steel blend provides remarkable tensile strength, hardness, and moderate resistance to corrosion. These nuts can achieve a tensile strength of 700–900 MPa and a yield strength of around 450 MPa, showcasing excellent wear and fatigue resistance. When heat-treated, they reach superior hardness, making them perfect for applications that demand durability, structural integrity, and resistance to friction and mechanical stress.
| Specifications | : | ASTM A /SA 193 / 194 |
| Dimensions | : | ASTM,DIN, BS,GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Nuts size | : | M02 to M33 |
| Fe | C | Mn | Si | Cr | Ni* | Mo* | P | S | Cu* | Al* | Sn* |
|---|---|---|---|---|---|---|---|---|---|---|---|
Balance | 0.15-0.40% | 1.00% max | 1.00% max | 12.00-14% | 0.50% max | 0.50% max | 0.04% max | 0.03% max | 0.50% max | 0.15% max | 0.05% max |
| Property | Metric |
|---|---|
Density | 7.74 g/cm3 |
Elastic Modulus | 200 GPa |
Electrical Resistivity | 0.55 x 10-7 .m |
Tensile Strength | 655 MPa |
Yield strength (Temper: Annealed) Minimum 0.2% offset | 40,000 psi |
Yield Strength (Temper: Hardened + 350°F) Typical 2% offset | 195,000 psi |
Elongation (% in 50 mm) | 25 |
Brinell Hardness (HB) | 241 max |
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Corrosion-resistant product known for high hardness. Stainless Steel 420 Nuts are available in sizes from M6 to M36, suitable for applications where wear resistance and durability are crucial, such as in cutting tools and industrial machinery.
Stainless Steel 420 Coupling Nuts are designed for joining threaded rods, available in sizes from M6 to M36. They are used in applications requiring high hardness and resistance to wear, such as in machinery and automotive components.
Featuring a nylon insert for secure fastening, Stainless Steel 420 Nylon Insert Nuts come in sizes from M6 to M24. They offer stability and prevent loosening, ideal for applications where vibration resistance and durability are important.
Stainless Steel 420 Flange Hex Nuts provide enhanced load distribution with integrated flanges. Available in sizes from M6 to M24, they are used in heavy-duty machinery and structural applications where high hardness and support are needed.
Designed for high-stress applications, Stainless Steel 420 Heavy Hex Nuts are available in sizes from M6 to M36. They offer superior hardness and strength, making them suitable for use in industrial machinery and demanding environments.
Stainless Steel 420 Square Nuts offer a large surface area for effective torque application. Available in sizes from M6 to M24, they are ideal for secure fastening in tight spaces within various industrial and structural applications.
At Mbemba Stainless, we take great care in packaging our Stainless Steel 420 Nuts to ensure that they reach you in the best possible condition. Each set of nuts is securely wrapped in plastic and placed in sturdy wooden boxes, clearly labeled for easy identification and efficient delivery. We provide both domestic and international shipping options, using reliable courier services or air freight, depending on your location. All shipments come with full insurance, packing lists, commercial invoice, and all the information possible on the packages. Our utmost priority is your order arriving just as perfect, right on schedule, with extra packaging if possible and express service depending on need.
You’ll find **Stainless Steel 420 Nuts** widely utilized across the **automotive, aerospace, marine, chemical processing, and machinery industries** due to their outstanding mechanical strength and wear resistance. They’re particularly suited for pumps, valves, turbines, shafts, and precision instruments that face stress, vibration, or abrasion. Their hardness and oxidation resistance make them ideal for moderate corrosion environments and high-pressure systems. Plus, these nuts are also used in the manufacturing and construction sectors for heavy-duty assemblies where long-term reliability, dimensional stability, and performance under mechanical stress are crucial.
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