Vinit Stainless is a well-known manufacturer and supplier of precision-engineered, long-lasting stainless steel products with its headquarters located in Chennai, India. Stainless Steel 440B Bolts, which are designed to provide outstanding hardness, wear resistance, and corrosion protection, are among our premium offerings. These bolts, which are made from high-carbon martensitic grade 440B, are perfect for uses requiring strength, durability, and resistance to oxidation. They are a popular option in many industries due to their dependable performance under severe mechanical and environmental stress. Vinit Stainless provides fasteners that satisfy the highest requirements for quality and dependability, whether they are for chemical, automotive, or engineering equipment.
A martensitic, high-carbon stainless steel alloy, stainless steel 440B is renowned for its exceptional wear resistance, moderate corrosion resistance, and high hardness (after heat treatment). The bolts are perfect for high-load and high-friction applications because of their remarkable tensile strength. They offer adequate protection in conditions involving moisture, chemicals, and oxidizing agents, despite having a slightly lower resistance to corrosion than austenitic grades. Furthermore, 440B bolts have good dimensional stability and edge retention, which makes them appropriate for mechanical assemblies and precision engineering tools. Their ability to withstand oxidation further supports their use at high temperatures.
|
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.
440B stainless steel Because of their exceptional strength and hardness, bolts are frequently found in precision machinery, automotive parts, and industrial equipment. They are ideal for chemical processing, moisture-prone applications, and maritime settings due to their resistance to corrosion. In applications where resistance to wear and mechanical fatigue is crucial, such as tooling, packaging machines, and rotating parts, these bolts are perfect. They are employed in construction when durability and strength are required. They are versatile fasteners used in the mechanical, structural, and engineering sectors because of their ability to hold an edge. They are also utilized in cutting tools and precision devices.
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