Weston Stainless, a Midland, UK-based leading manufacturer of high-quality stainless steel products serving multiple industrial uses, features Stainless Steel 440C Bolts among its products. Characterized by extreme hardness, wear resistance, and corrosion resistance, the bolts are manufactured from Grade 440C, a martensitic high-carbon stainless steel. The bolts come in various forms, such as hex, square, and U-bolts, guaranteeing flexibility in fastening processes. With its chromium content being high, this material is capable of offering superior strength, great durability, and abrasion resistance, which makes it perfect for high-stress applications where long-term reliability and mechanical stability are needed.
Stainless Steel 440C Bolts consist of iron, chromium (16.0-18.0%), carbon (0.95-1.20%), manganese (1.0% max), and molybdenum (0.75% max), and these offer great hardness and corrosion resistance. They have a tensile strength of around 760-895 MPa, yield strength of around 450 MPa, and elongation of around 14%. They have a density of 7.8 g/cm³ and melting point of about 1480°C, with high thermal conductivity and high wear resistance. Hardness varies between 58-60 HRC following heat treatment, providing maximum mechanical performance in applications where they are used.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 440C Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 440C |
| 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 440C |
| 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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High strength fasteners with excellent damage resistance. They offer moderate corrosion resistance and are ideal for high stress and high damage applications in industrial and industrial applications.
High-strength fastener with a square head, specifically designed to fit. It provides exceptional strength, wear resistance and durability for tough applications.
High-strength, corrosion-resistant fastener with a long threaded shaft and flat head, designed for more demanding applications requiring durability and abrasion resistance
High-strength fastener designed to secure concrete or masonry products. It expands in the hole as it tightens, creating a reliably stable surface.
Hexagonal head with an integrated flange for increased weight distribution. Provides superior strength and wear resistance for complex industrial applications.
Threads along their entire length, providing consistent clamping force and high hardness. They are ideal for high-stress applications requiring strength and wear resistance.
Stainless Steel 440C Bolts find extensive applications in the aerospace, defense, automotive, and marine sectors because of their hardness and resistance to wear. They are applied in bearings, fasteners, and high-precision devices needing strength and toughness. They also find application in medical devices, industrial equipment, and power generation, where resistance to corrosion and reliability in adverse conditions are necessary. Their resistance to high temperatures and mechanical loading makes them appropriate for use in chemical processing, pumps, valves, and heavy-duty engineering parts, with long-term operational performance.
Stainless Steel 440C Bolts are accompanied by necessary test certificates such as material test reports (MTR), third-party inspection reports, and EN 10204 3.1 certification for quality compliance. Packaging is made in wooden crates, cartons, or plastic-wrapped bundles for protection from transit damage. Secure and timely delivery guarantees customers obtain their products in good condition, with special packaging arrangements available to meet special industry standards, guaranteeing safe handling, storage, and shipping while maintaining product integrity.
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