Nakamura Stainless is a well-respected manufacturer and supplier based in Pulau Ujong, Singapore, known for providing a diverse selection of high-quality stainless steel products tailored for industries with rigorous demands. Among their specialized offerings, Stainless Steel 440C Nuts stand out for their remarkable hardness, strength, and resistance to wear. As one of the toughest grades of stainless steel, 440C excels in applications that require both high mechanical strength and moderate corrosion resistance. With a commitment to precision engineering and strict compliance with international standards, Nakamura Stainless guarantees that their Stainless Steel 440C Nuts offer dependable fastening solutions for high-stress environments.
These nuts are made from high-carbon martensitic stainless steel, featuring around 16–18% chromium and up to 1.2% carbon. This distinctive blend allows the alloy to be heat-treated, resulting in impressive hardness, tensile strength, and wear resistance, all while maintaining decent corrosion resistance. They boast a tensile strength that exceeds 760 MPa and hardness values reaching up to 58 HRC. Thanks to their martensitic structure, these nuts are built to last, providing durability, toughness, and a long service life in demanding mechanical applications.
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.
Stainless Steel 440C Nuts find their place in various industries that require robust, wear-resistant fasteners with moderate corrosion resistance. They’re commonly used in aerospace, automotive, and defense sectors, where reliable fastening under high stress is essential. Additionally, they play a crucial role in tooling, mechanical assemblies, and heavy machinery, thanks to their outstanding hardness and durability. You’ll also find them in surgical instruments, bearings, and industrial equipment that face moderate corrosion and high wear. With their impressive combination of strength, hardness, and reliability, Stainless Steel 440C Nuts are a top-notch choice for challenging fastening tasks.
Stainless steel 440C nuts are used at high pressures where there is a need for exceptional durability and corrosion resistance. They are ideal for components in industrial machinery, cutting tools, and valve assemblies. Their high carbon footprint and thermal performance make them suitable for important wearable and communication applications, such as the emergence of the aerospace and automotive industries.
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