Mbemba Stainless is a reputable manufacturer and supplier of top-notch **Stainless Steel 440C Fasteners** located in Kinshasa, Congo. This company focuses on crafting high-strength, corrosion-resistant, and wear-resistant fasteners that are perfect for tough industrial applications. With a commitment to precision and cutting-edge technology, these fasteners are built to meet international standards for mechanical performance and durability. Mbemba Stainless caters to a variety of industries, including automotive, aerospace, petrochemical, marine, and construction, providing reliable fastening solutions that guarantee long-lasting performance, safety, and efficiency in critical environments both in Congo and around the world.
Stainless Steel 440C Fasteners are made from high carbon martensitic stainless steel, which includes chromium (16–18%), carbon (0.95–1.20%), along with trace amounts of molybdenum and manganese. These components give the fasteners remarkable hardness, strength, and resistance to corrosion. They boast a tensile strength of approximately 760–1000 MPa and a yield strength of up to 450 MPa, along with good wear resistance and moderate toughness. Their ability to retain strength and dimensional stability even at high temperatures makes them ideal for high-stress environments.
Specification : ASTM A193 / ASME SA193
Dimensions : ASME B18.2.1, ASME B18.3, DIN 931, DIN 933, DIN 934, DIN 7991, DIN 976
Standard : DIN, GB, BS, ISO, IS, JIS, ASTM, ASME, EN, etc.
Size : M02 to M33
Length : 3 mm to 200 mm
Threads : ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Types : Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, U- Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts.
| Grade | C | Mn | Si | P | S | Cr | |
| 440C | min. | 0.95 – 1.20 | – | – | – | – | 16.0 |
| max. | 0.12 | 1.0 | 1.00 | 0.04 | 0.030 | 18.0 | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 440C | 758 | 448 | 14 | 95 | – |
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These nuts offer high corrosion resistance and excellent strength due to the high carbon content in 440c stainless steel. They are available in sizes ranging from M3 to M48 and meet various industrial standards for dimensions and tolerances.
440c Stud Bolts provide exceptional corrosion resistance and high tensile strength. They come in diameters from M6 to M30 and lengths from 50mm to 1000mm, suitable for demanding applications requiring precision and durability.
440c Bolts are ideal for harsh environments and offer superior corrosion resistance and high strength. They are available sizes from M5 to M36, with varying lengths and thread specifications to meet diverse application needs.
These threaded rods are known for their excellent corrosion resistance and high tensile strength. They are typically available in diameters from M6 to M30 and lengths up to 3000mm, suitable for use in various industrial settings.
440c screws provide robust corrosion resistance and high strength. Commonly available in sizes from M3 to M20, lengths varying based on application needs, they are ideal for precision and heavy-duty fastening tasks.
440C washers offer outstanding corrosion resistance and durability, making them ideal for distributing loads and protecting surfaces. They are available in sizes from M3 to M36 and come in various thicknesses to meet specific application needs. Their robust properties ensure reliable performance in demanding environments.
At Mbemba Stainless we ensure that our Stainless Steel 440C Fasteners undergo rigorous quality tests, including Hardness Test, PMI Testing, Chemical Analysis, and IGC Test, to guarantee excellence. We provide detailed documentation such as invoices with HS codes, packaging lists, Certificates of Origin, and Guarantee Letters. Additionally, Third-Party Inspection Certificates ensure complete client satisfaction and reliability.
These Stainless Steel 440C Fasteners find extensive use in **aerospace, marine, chemical processing, automotive, and manufacturing industries**, where exceptional strength and corrosion resistance are essential. They are perfect for assembling machinery, valves, pumps, and components that face abrasive or high-pressure conditions. Thanks to their outstanding hardness and wear resistance, they are also suitable for precision instruments and cutting tools. Moreover, these fasteners are utilized in food processing and power generation applications due to their capability to resist oxidation and corrosion, ensuring reliable and long-lasting fastening performance even in challenging operating conditions.
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