Weston Stainless of Midland, UK is a well-established dealer of excellent-quality stainless steel items, presenting resilient and resistance-against-corrosion answers across different industrial verticals. Stainless Steel 440B Nuts is among its most valued offerings, and that is an essentially martensitic stainless steel bolt that attains high–strength, resistant characteristics against wear and tear, along with utmost hardness. Manufactured from Grade 440B stainless steel, these nuts are available in various shapes, including hex, square, and flange nuts, ensuring versatility in fastening applications. With enhanced chromium and carbon content, Stainless Steel 440B Nuts provide exceptional mechanical stability, corrosion resistance, and durability, making them ideal for demanding industrial environments.
Stainless Steel 440B Nuts are composed of iron, chromium (16.0-18.0%), carbon (0.75-0.95%), manganese (1.0% max), silicon (1.0% max), and molybdenum (0.75% max), enhancing their hardness and corrosion resistance. They exhibit a tensile strength of approximately 755 MPa, yield strength of around 450 MPa, and an elongation of about 14%. With a density of 7.8 g/cm³ and a melting point of about 1455°C, they offer excellent thermal conductivity and wear resistance. The hardness ranges from 56-60 HRC after heat treatment, ensuring superior performance in high-stress applications requiring strength and durability.
C | Si | Mn | P | S | N | Cr | Cu | Mo | Ni | Ti | V |
|---|---|---|---|---|---|---|---|---|---|---|---|
0.75 – 0.95 | – | – | – | – | – | 16.00 – 18.00 | – | 0.90 – 1.30 | – | – | 0.07 – 0.12 |
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell (HR C) | Impact Charpy V (J) |
|---|---|---|---|---|---|
| Annealed* | 758 | 448 | 14 | 269HB max | – |
| 204 | 2030 | 1900 | 4 | 59 | 9 |
| 260 | 1960 | 1830 | 4 | 57 | 9 |
| 316 | 1860 | 1740 | 4 | 56 | 9 |
| 371 | 1790 | 1660 | 4 | 56 | 9 |
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.74 g/cm3 | 0.280 lb/in³ |
| Melting point | 1482°C | 2700°F |
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A corrosion-resistant product, Stainless Steel 440B nuts are available in sizes from M6 to M64. Known for their high strength and hardness, they are ideal for heavy-duty applications in industrial machinery and automotive components.
A corrosion-resistant product, Stainless Steel 440B coupling nuts, used to join two male threads, come in sizes from M6 to M36. They provide exceptional strength and durability, making them suitable for high-stress and heavy-duty applications.
A corrosion-resistant product, Stainless Steel 440B nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert prevents loosening under vibration, offering secure fastening in high-strength and demanding environments.
A corrosion-resistant product, Stainless Steel 440B flange hex nuts feature an integrated flange and come in sizes from M5 to M20. They provide enhanced load distribution and stability, suitable for high-stress and high-temperature applications.
A corrosion-resistant product, Stainless Steel 440B heavy hex nuts are available in sizes from M10 to M48. Their increased thickness and strength make them ideal for heavy-duty applications and high-stress environments requiring robust and secure fastening.
A corrosion-resistant product, Stainless Steel 440B square nuts offer a larger contact surface and come in sizes from M6 to M30. They are ideal for high-strength applications requiring reliable performance in heavy clamping and industrial settings.
Stainless Steel 440B Nuts are widely used in aerospace, automotive, and defense industries due to their high hardness and wear resistance. They are commonly employed in machine components, heavy-duty fasteners, and industrial equipment requiring exceptional strength and corrosion resistance. Additionally, they are used in medical instruments, marine applications, and food processing equipment due to their ability to withstand extreme conditions. Their superior mechanical properties make them suitable for fastening components in high-temperature environments, ensuring reliability, longevity, and stability in critical structural applications.
Stainless Steel 440B Nuts come with essential test certificates, including material test reports (MTR), third-party inspection reports, and EN 10204 3.1 certification, ensuring compliance with quality standards. Packaging is done securely in wooden crates, cartons, or plastic-wrapped bundles to prevent damage during transportation. Timely and efficient delivery ensures that customers receive their products in perfect condition, with customized packaging options available upon request to meet specific industry requirements while maintaining product integrity and quality assurance.
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