Mbemba Stainless is a reputable manufacturer and supplier of **Stainless Steel 405 Nuts** based in Kinshasa, Congo. They specialize in providing high-quality fastening solutions that are built to perform exceptionally well in high-temperature and mildly corrosive environments. These nuts are made from premium stainless steel and utilize cutting-edge production technology to guarantee outstanding durability, strength, and reliability. The addition of aluminum stabilizes the Stainless Steel 405 Nuts, enhancing their resistance to oxidation and minimizing hardening during welding. Mbemba Stainless caters to various industries, including petrochemical, automotive, power generation, and construction, ensuring that their products meet international quality and performance standards. Mbemba Stainless is one of the leading manufacturer and supplier based in Kinshasa, Congo. The company offers a quality range of stainless steel products especially designed for diverse industrial applications. The company has earned great respect for its excellence and innovation by offering a premium range of Stainless Steel 405 Nuts for superior performance, durability, and corrosion resistance. These nuts are designed to meet international standards and best suited for the petrochemical, marine, and construction industries. Mbemba Stainless takes pride in its customer’s satisfaction, competitive pricing, and on-time delivery. Thus, it becomes a partner for top-grade stainless steel solutions throughout the Congo and beyond.
**Stainless Steel 405 Nuts** consist of chromium (11.5–14.5%), carbon (up to 0.08%), manganese, silicon, phosphorus, sulfur, and a touch of aluminum for stabilization. Their ferritic structure offers moderate corrosion resistance and excellent oxidation resistance at high temperatures. With a tensile strength of about 380–450 MPa and a yield strength of around 170–240 MPa, these nuts are known for their good weldability, formability, and scaling resistance, making them perfect for high-temperature applications and environments that require strength alongside moderate corrosion protection.
|
C |
Cr |
Fe |
Mn |
Si |
S |
P |
Ni |
Al | |
|
405 |
0.08 max |
min: 11.5 max: 14.5 |
balance |
1.0 max |
1.0 max |
0.03 max |
0.04 max |
0.50 max |
min: 0.1 max: 0.3 |
|
Grade |
Tensile Strength ksi (MPa) min |
Yield Strength 0.2% offset ksi (MPa) min |
Elongation (% in 50mm) min |
Hardness (Brinell) MAX |
Hardness (Rockwell B) MAX |
|
405 |
60 (415) |
25 (170) |
20 |
179 |
88 |
|
Denstiy lbm/in3 |
Coefficient of Thermal Expansion (min/in)-°F |
Thermal Conductivity BTU/hr-ft-°F |
Specific Heat BTU/lbm -°F |
Modules of Elasticity (annealed)2-psi |
|
|
at 68 °F |
at 68 – 212°F |
at 68 – 1832°F |
at 200°F |
at 32 – 212°F |
in tension (E) |
|
0.279 |
9.2 |
20.5 |
416 |
0.11 |
28 x 106 |
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A corrosion-resistant product, Stainless Steel 405 nuts are available in sizes ranging from M6 to M64. These nuts are designed for moderate corrosion and oxidation resistance, making them ideal for automotive and thermal processing applications.
A corrosion-resistant product, Stainless Steel 405 coupling nuts are designed to connect two male threads. Available in sizes from M6 to M36, they offer excellent strength and durability for extended thread length connections in moderate corrosion environments.
A corrosion-resistant product, Stainless Steel 405 nylon insert nuts, also known as lock nuts, come in sizes from M3 to M36. They feature a nylon collar that prevents loosening due to vibration, providing secure fastening in various industrial applications.
A corrosion-resistant product, Stainless Steel 405 flange hex nuts have an integrated washer-like flange. Available in sizes from M5 to M20, these nuts distribute the load over a larger area, reducing the risk of damage and ensuring a secure fit.
A corrosion-resistant product, Stainless Steel 405 heavy hex nuts are characterized by their thicker and larger size, providing increased strength. Sizes range from M10 to M48, making them suitable for heavy-duty applications requiring robust and secure fastening.
A corrosion-resistant product, Stainless Steel 405 square nuts offer a larger surface area in contact with the part being fastened, reducing the risk of deformation. Available in sizes from M6 to M30, they are ideal for use in tight spaces and heavy clamping applications.
Mbemba Stainless is providing the quality material using rigorous testing procedure. All products, including 405 Stainless Steel Nuts, are tested as per hardness by chemical analysis as per spectroanalysis, PMI testing, tensile testing micro and macrostructural tests, and pitting as well as IGC testing. These checks ensure superior performance from our materials. Along with our commitment towards quality, we provide all relevant documents such as commercial invoices, packaging lists having net and gross weights, box numbers, labels, and a Certificate of Origin legalized or attested by the Chamber of Commerce or Embassy. Our Third-Party Inspection Certificate also ensures that our customers have complete satisfaction over the price as well as the delivery of Stainless Steel 405 Nuts.
You’ll find **Stainless Steel 405 Nuts** commonly used in **automotive exhaust systems, heat exchangers, furnace components, turbines, and petrochemical equipment**. Their impressive resistance to oxidation and scaling makes them a great choice for thermal and mechanical applications. These nuts are also essential in power plants, construction projects, and industrial machinery where stability and performance under heat are crucial. With their ability to provide reliable fastening in systems that experience temperature fluctuations and corrosive gases, Stainless Steel 405 Nuts ensure structural integrity, a long service life, and consistent performance even in the most demanding conditions.







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