Niazi Stainless, located in Manama, Bahrain, stands out as a top manufacturer and supplier of high-quality stainless steel fasteners. They specialize in Stainless Steel 440B Bolts, which are renowned for their incredible strength and durability. With a solid reputation built on precision engineering and rigorous quality control, Niazi Stainless delivers bolts that meet the toughest industrial standards, ensuring reliable performance even in the harshest conditions. These Stainless Steel 440B Bolts are crafted to provide outstanding hardness, wear resistance, and corrosion resistance, making them perfect for critical applications. Thanks to their advanced manufacturing techniques and a commitment to customer service, Niazi Stainless guarantees dependable fastening solutions for industries across Bahrain and beyond.
The Stainless Steel 440B Bolts are made from high-carbon martensitic stainless steel, featuring 0.60–0.75% carbon, 16–18% chromium, along with small amounts of manganese, silicon, and molybdenum. This unique blend results in exceptional hardness, impressive wear resistance, and moderate corrosion resistance. On a mechanical level, 440B bolts boast very high tensile strength, strong fatigue resistance, and the capability to endure significant torque and stress. Their martensitic structure provides superior toughness and stability, allowing these bolts to perform reliably under heavy loads, vibrations, and abrasive conditions.
|
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.
These Stainless Steel 440B Bolts find their place in various industries that demand high strength and durability, such as automotive engineering, aerospace, heavy machinery, and precision equipment. Their remarkable wear and fatigue resistance make them ideal for high-load assemblies, moving parts, and applications that face friction or mechanical stress. They are also commonly used in valves, pumps, cutting tools, and equipment that operate in moderately corrosive environments. Niazi Stainless offers these bolts in a range of dimensions and specifications, ensuring reliable fastening solutions for both standard and custom industrial needs throughout Bahrain and internationally.
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