Mbemba Stainless is a reputable manufacturer and supplier located in Kinshasa, Congo, specializing in high-quality Stainless Steel 440B Bolts that are built for strength, durability, and resistance to corrosion. The company is committed to crafting precision-engineered fasteners that can be relied upon even under high stress and extreme temperatures. Made from top-grade 440B stainless steel and utilizing cutting-edge production technology, these bolts boast impressive mechanical properties and wear resistance. Mbemba Stainless serves a diverse array of industries, including petrochemical, marine, aerospace, and power generation, providing Stainless Steel 440B Bolts that adhere to international standards for performance and longevity.
Stainless Steel 440B Bolts are made from high-carbon martensitic stainless steel, which includes chromium (16–18%), carbon (0.75–0.95%), along with trace amounts of manganese, silicon, and molybdenum. This unique blend results in a well-rounded mix of hardness, strength, and moderate corrosion resistance. On the mechanical side, 440B delivers high tensile and yield strength, good ductility post-heat treatment, and outstanding wear resistance. These bolts excel under high temperatures and pressures, making them perfect for heavy-duty applications.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 440b Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 440b |
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 201 |
| Element | SS 440b |
| Ni | 0.75 |
| C | 0.15 |
| Mn | 1.00 max |
| P | 0.04 max |
| S | 0.03 max |
| Si | 1.00 max |
| Cr | 11.5 – 13.5 |
| Mo | – |
| N | – |
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Stainless Steel 440B is a high-carbon martensitic stainless steel known for its excellent hardness, corrosion resistance and moderate corrosion resistance, making it suitable for demanding applications and precision tooling
Custom stainless steel 440B hex bolts are high-carbon martensitic stainless steel fasteners with hexagonal heads, tailored to high-strength wear-resistant applications, for durability and corrosion resistance
Stainless Steel 440B Leg Bolt is a high-carbon, martensitic steel fastener known for its excellent hardness and wear resistance. It’s ideal for heavy-duty applications, providing durability and strength.
Stainless Steel 440B Expansion Anchor Bolt is a high-carbon, martensitic steel fastener used for securing fixtures in concrete or masonry. Its hardness and strength ensure reliable performance under heavy loads.
Stainless Steel 440B Hex Flange Head Bolt features a hexagonal head with an integrated flange, offering high strength and wear resistance. It’s designed for heavy-duty applications requiring robust and stable fastening.
Stainless steel 440B full-threaded bolts are high carbon martensitic steel fasteners with full thread width and length. They offer exceptional rigidity and strength, suitable for demanding applications requiring full installation.
Quality control tests both destructive and non-destructive are conducted by our quality control team after manufacturing the Stainless Steel 440B Bolts. Advanced tools and techniques are used for testing in order to assure the client’s performance and longevity. When these bolts pass the tests, we package them correctly with relevant materials to conserve their quality during transport. We have ensured they reach the clients on time with no delays and make available all the necessary documentation at the time of delivery for full transparency.
You’ll find Stainless Steel 440B Bolts in various applications that require strength, durability, and resistance to wear and corrosion. They’re perfect for turbines, pumps, engines, marine equipment, and chemical processing machinery. Additionally, these bolts are used in aerospace assemblies, power plants, and high-temperature industrial systems. Their ability to endure stress, heat, and corrosive environments makes them ideal for both structural and mechanical fastening. With Stainless Steel 440B Bolts, you can count on reliable performance and a long service life in critical engineering and industrial applications.
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