Nakamura Stainless is a reputable manufacturer and supplier based in Pulau Ujong, Singapore, known for delivering top-notch stainless steel products that are designed for strength, precision, and durability. One of their standout offerings is the Stainless Steel 440B Bolts, which are highly regarded for their remarkable hardness, mechanical strength, and resistance to wear. Crafted from high-carbon martensitic stainless steel, these bolts excel in high-stress environments while still providing decent corrosion resistance. Nakamura Stainless takes pride in ensuring that every bolt meets international standards, offering reliable and long-lasting fastening solutions for sectors like automotive, aerospace, defense, and various industrial applications.
The Stainless Steel 440B Bolts are made from martensitic stainless steel, featuring a chromium content of 16–18% and a carbon content between 0.75–0.95%. This specific alloy can be heat-treated to achieve impressive hardness and tensile strength, making it highly resistant to wear and mechanically durable. Although their corrosion resistance is moderate when compared to austenitic grades, these bolts are perfect for situations that require strength, toughness, and longevity under mechanical stress.
|
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.
Stainless steel 440B Bolts are widely used in applications requiring high strength and corrosion resistance. They are ideal for packaging in machinery, auto parts and industrial equipment where durability is required. The corrosion resistance makes them suitable for marine environments and chemical applications. Also, these bolts are used in the manufacture of precision mechanical tools due to their ability to handle sharp edges. Their robust nature allows versatility in both construction and mechanical applications.
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