Request For Our Latest Prices On SS 440b Nuts in Da Nang, Vietnam!
Poang Fasteners is a well-respected manufacturer and supplier of Stainless Steel 440B Nuts based in Da Nang, Vietnam. We provide top-notch fastening solutions that are built for high strength, durability, and resistance to wear. SS 440B is a high-carbon martensitic stainless steel known for its impressive blend of hardness, tensile strength, and decent corrosion resistance. Our SS 440B Nuts are crafted to meet stringent ASTM, DIN, and ISO standards, ensuring they are precise, reliable, and built to last. These nuts find their place in various sectors, including engineering, petrochemical, automotive, medical, and industrial fields, where strong fastening and secure load-bearing capacity are essential.
Stainless Steel 440B Nuts consist of 16–18% chromium and 0.75–1.0% carbon, along with some manganese, silicon, molybdenum, and trace elements. As a martensitic grade, SS 440B can reach high hardness levels (up to 58 HRC) and tensile strength ranging from 730–950 MPa after heat treatment. They offer excellent wear and abrasion resistance while maintaining moderate corrosion resistance in less severe environments. SS 440B Nuts are stable under mechanical stress, making them a reliable choice for heavy-duty fastening. Their outstanding hardness and toughness make them ideal for demanding industrial applications that require secure and long-lasting performance.
| 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
Poang Stainless Steel 440B Nuts are commonly found in automotive components, pump assemblies, and valve systems that require high strength and wear resistance. In the medical industry, they are used in surgical instruments, orthopedic equipment, and precision devices thanks to their durability and hardness. In petrochemical and refinery settings, SS 440B Nuts are essential for assemblies that face mechanical stress and moderate corrosive conditions. They also play a vital role in aerospace, defense, marine equipment, and heavy machinery for high-load applications. Their exceptional wear resistance makes them a go-to choice for various demanding environments.
Poang Fasteners is a leading manufacturer and supplier of high-quality fasteners in Da Nang, Vietnam, with over 8 years of experience serving global industries.
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