Midland, UK-based Weston Stainless offers high-quality stainless steel products as a leading distributor, offering corrosion-resistant and long-lasting solutions for industries. Its high-end product, Stainless Steel 440C Nuts, is a high-carbon martensitic stainless steel nut that boasts high hardness, wear resistance, and strength. Made of Grade 440C stainless steel, they are available in various shapes, such as hex, square, and flange nuts, to provide wide-ranging applications. With a high chromium level, Stainless Steel 440C Nuts provide excellent corrosion resistance, high mechanical stability, and lasting service life, and are best suited for strenuous industrial and structural applications.
Stainless Steel 440C Nuts consist of iron, chromium (16.0-18.0%), carbon (0.95-1.20%), manganese (1.0% max), silicon (1.0% max), and molybdenum (0.75% max) and have excellent strength and hardness. These nuts possess tensile strength of around 760-895 MPa, yield strength of about 450 MPa, and elongation of about 14%. At a density level of 7.8 g/cm³ with melting point close to 1480°C, these provide outstanding thermal conductivity along with wear resistance. Hardness in them measures from 58-60 HRC after undergoing heat treatment for optimum durability with extreme mechanical stability under high-stress conditions.
STAINLESS STEEL 440C NUTS SPECIFICATIONS |
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| Specifications | IS, BS, ASTM |
| Standard | ASTM / ASME – A/ SA 193 |
| Length | 3 mm to 200 mm |
| Size | M02 to M33 |
| Type | Hex Nuts, Dome Nuts, Hex Machine Screw Nuts, Hex Lock Nuts Nylon Insert, Hex Jam Nuts, Hex Jam Nylon Lock Nuts, Heavy Hex Nuts, Wing Nuts, Cap Nuts, Acorn Nuts, Square Nuts, K-Lock Nuts, Prevailing Torque Lock Nuts, Top Lock Nuts, Two-Way Reversible Lock Nuts, Pin-Lock Nuts, T-Nuts, Coupling Nuts, T-Slot Nuts, Castle Nuts, Flange Nuts Serrated, Machine Hex Nuts, Finished Hex Nuts, Forged Eye Nut, Rivet Nuts, Slotted Hex Nut, Acme Hex Nuts, Nylock Nuts, Anco Locknuts, Flexloc Nuts, Reversible Locknuts, Panel Nut, Poly Nut, Conelock Nut, Self Clinching Nuts, Domed Cap Nuts, Imperial Thread Nuts, Imperial Thread Nylock Nuts, Sleeve Nuts, Thin Nuts, Weld Nuts, High Tensile Nuts, Cage Nuts, Security Nuts, Imperial Nuts, Industrial Nuts, Miscellaneous Nuts, Insert Nuts, Knurled Nuts, Round Nuts |
| Element | SS 440C |
| Ni | – |
| C | 0.95 – 1.20 |
| Mn | 1.0 max |
| P | 0.040 max |
| S | 0.030 max |
| Si | 1.0 max |
| Cr | 16.0 – 18.0 |
| Mo | 0.75 |
| N | – |
| Element | SS 440C |
| Tensile Strength (MPa) min | 758 |
| Yield Strength 0.2% Proof (MPa) min | 448 |
| Elongation (% in 50mm) min | 14 |
| Hardness Rockwell (HR C) | 269HB max# |
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A corrosion-resistant product, Stainless Steel 440C nuts are available in sizes from M6 to M64. Known for their exceptional hardness and wear resistance, these nuts are ideal for high-stress, high-temperature applications in aerospace and industrial machinery.
A corrosion-resistant product, Stainless Steel 440C coupling nuts come in sizes from M6 to M36. They are designed to join two male threads securely, offering high strength and durability in demanding applications.
A corrosion-resistant product, Stainless Steel 440C nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert prevents loosening under vibration, making them suitable for high-stress and high-temperature environments.
A corrosion-resistant product, Stainless Steel 440C flange hex nuts feature an integrated flange and are available in sizes from M5 to M20. They provide even load distribution and enhanced stability in harsh conditions.
A corrosion-resistant product, Stainless Steel 440C heavy hex nuts are available in sizes from M10 to M48. Their increased thickness offers superior strength and durability, making them ideal for heavy-duty and high-stress applications.
A corrosion-resistant product, Stainless Steel 440C square nuts come in sizes from M6 to M30. Their larger surface area ensures a secure grip and stable fastening in high-stress and industrial applications.
440C Stainless Steel Nuts are applied extensively in the aerospace, automotive, marine, and industrial machinery industries because they possess high hardness and corrosion resistance. They find extensive application in heavy-duty fasteners, bearings, machine parts, and precision instruments that require high strength and durability. They are also used in medical devices, power generation, and defense systems where there is a need for wear resistance and high mechanical loads. Their tolerance of extreme temperatures and environmental stresses makes them the best for structural assemblies and equipment that is subject to harsh industrial processes.
Stainless Steel 440C Nuts have the necessary test certificates, such as material test reports (MTR), third-party inspection reports, and EN 10204 3.1 certification, to ensure conformity to quality standards. The nuts are carefully packaged in wooden crates, cartons, or plastic-wrapped bundles to avoid damage during shipping. Timely and guaranteed delivery ensures that customers receive their orders in good condition, with customized packaging solutions available on request to suit particular industry requirements while ensuring product integrity and quality assurance.
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