Nakamura Stainless is a reputable manufacturer and supplier based in Pulau Ujong, Singapore, focusing on high-quality stainless steel products tailored for demanding industrial needs. One of their standout offerings is the Stainless Steel 440B Nuts, which are celebrated for their impressive hardness, strength, and resistance to wear. As a high-carbon martensitic stainless steel, 440B not only delivers exceptional mechanical performance but also maintains a decent level of corrosion resistance. Nakamura Stainless prides itself on precise manufacturing and strict compliance with international quality standards, ensuring that their fastening solutions are both reliable and durable, perfect for high-stress and wear-heavy environments.
These Stainless Steel 440B Nuts are crafted from high-carbon martensitic stainless steel, featuring 16–18% chromium and around 0.75–0.95% carbon. This specific blend allows for heat treatment, resulting in outstanding hardness and tensile strength, along with good wear resistance and longevity. Thanks to their martensitic structure, they offer toughness and sustained performance in situations that involve mechanical stress and moderate exposure to corrosive elements.
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.
You’ll find Stainless Steel 440B Nuts widely utilized across various industries that demand robust, wear-resistant fasteners. They’re commonly found in automotive assemblies, aerospace components, heavy machinery, and defense equipment, where strength and durability are non-negotiable. Industrial tools, pumps, valves, and mechanical assemblies also reap the benefits of their hardness and reliability. Plus, they’re used in precision instruments and equipment that face moderate corrosion and high wear. With their blend of toughness, strength, and wear resistance, Stainless Steel 440B Nuts deliver dependable performance even in the most challenging industrial applications.
The use of stainless steel 440B nuts is suitable for applications demanding high strength and durability. The heavy industrial application, automotive parts, and high-stress machinery find these nuts as ideal for such applications. With excellent hardness and resistance to damage, these are used in valve assemblies, pump components, and other critical components exposed to harsh conditions besides equipment where they are applied to high performance components and equipment where strength and resistance are in demand.
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