Kyaw Stainless, a well-respected manufacturer and supplier located in Naypyidaw, Myanmar, specializes in high-quality Stainless Steel 440B Nuts that adhere to international standards for performance and durability. With a strong focus on precision engineering and cutting-edge manufacturing techniques, Kyaw Stainless delivers corrosion-resistant, high-strength fastening solutions tailored for various industrial sectors. The company prides itself on ensuring top-notch quality, precise dimensions, and a flawless surface finish in every product. Designed to excel under tough conditions, Stainless Steel 440B Nuts make Kyaw Stainless a reliable partner for stainless steel fastening components, not just in Myanmar, but beyond.
These Stainless Steel 440B Nuts are primarily made of iron, with 16–18% chromium, 0.75–1.0% molybdenum, and 0.75–1.0% carbon, which gives them impressive hardness and decent corrosion resistance. They boast excellent mechanical properties, featuring a tensile strength of around 760 MPa and a yield strength of 450 MPa. Additionally, they offer good wear resistance, thermal stability, and the ability to maintain strength even at high temperatures. When heat-treated correctly, these nuts strike a perfect balance between toughness and hardness, making them perfect for applications that demand both durability and precise fastening.
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 find their place in a variety of industries, including automotive, aerospace, marine, chemical processing, and construction. Their robust strength and resistance to corrosion make them ideal for securing heavy machinery, pumps, valves, and equipment that face moisture, heat, or harsh chemicals. They are also commonly used in precision instruments, engine components, and turbine assemblies due to their outstanding wear and fatigue resistance. Furthermore, they are favored in food processing and pharmaceutical equipment, where hygiene and material integrity are crucial, ensuring dependable and long-lasting performance even in challenging operational environments.
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