Request For Our Latest Prices On SS 440b Nuts in Bangkok, Thailand!
Pengkumta Fasteners, located in Bangkok, Thailand, has built a solid reputation as a manufacturer and supplier of Stainless Steel 440B Nuts. These fasteners are celebrated for their impressive hardness, strength, and wear resistance. Crafted with precision and adhering to strict quality standards, these nuts are engineered to provide long-lasting performance across various sectors, including mechanical, automotive, aerospace, and industrial applications. When it comes to durability and reliability in tough environments where high strength and abrasion resistance are crucial, Stainless Steel 440B Nuts from Pengkumta are a trusted choice.
These nuts are made from a high-carbon martensitic stainless steel alloy, with chromium being the key element that enhances their strength. This unique composition results in exceptional hardness, a tensile strength exceeding 700 MPa, and decent corrosion resistance in moderately aggressive settings. They also boast remarkable wear resistance, fatigue strength, and dimensional stability, making them ideal for applications that demand mechanical performance and toughness.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.74 g/cm3 | 0.280 lb/in³ |
| Melting point | 1482°C | 2700°F |
C | Si | Mn | P | S | N | Cr | Cu | Mo | Ni | Ti | V |
|---|---|---|---|---|---|---|---|---|---|---|---|
0,85 – 0,95 | – | – | – | – | – | 17,00 – 19,00 | – | 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 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless steel 440B nuts are used in applications requiring high strength and durability. Typical applications include automotive, aerospace, marine, and industrial equipment. Their excellent hardness and corrosion resistance make them ideal for valve assemblies, pumps and high-stress environments. Their robust performance ensures reliable connections between internal and external components, making them suitable for a wide range of complexity
Stainless Steel 440B Nuts find extensive use in automotive components, aerospace fittings, and high-performance machinery that require fasteners with superior hardness and load-bearing capabilities. They’re also utilized in precision instruments, tooling, marine hardware, and defense equipment that operate under abrasive or high-stress conditions. Furthermore, these nuts are essential in construction, heavy machinery, and industrial assemblies, ensuring secure fastening, outstanding durability, and reliable resistance to wear and mild corrosion in demanding environments.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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