Request For Our Latest Prices On SS 440b Washers in Tunis, Tunisia!
Lina Fasteners, based in Tunis, Tunisia, stands out as a leading manufacturer and supplier of top-notch Stainless Steel 440B Washers, crafted for exceptional performance in tough industrial settings. Renowned for their precise engineering and remarkable durability, these washers boast impressive resistance to wear, corrosion, and high temperatures. The Stainless Steel 440B Washers from Lina Fasteners are designed to ensure reliable load distribution, which helps secure and prolong the life of fastened components. With a commitment to innovation and quality control, Lina Fasteners provides high-performance products that adhere to global standards, offering industries dependable and long-lasting fastening solutions.
Stainless Steel 440B Washers are crafted from martensitic stainless steel, featuring about 16–18% chromium and 0.75–0.95% carbon. This high-carbon blend delivers outstanding hardness and tensile strength, especially after heat treatment, making the washers highly resistant to wear. The material also provides decent corrosion resistance, particularly in mild to moderate corrosive environments, while maintaining dimensional stability under significant stress. 440B washers typically exhibit a hardness of around 58 HRC, ensuring reliable mechanical performance in applications that demand both strength and resistance to wear and corrosion.
| 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 Washers find extensive use in industries that require robust, durable components capable of enduring abrasive and high-temperature conditions. You’ll often see them in automotive, aerospace, and heavy machinery applications, where secure fastening is essential under pressure. These washers are also employed in valves, pumps, and compressors, as well as in power generation and chemical processing facilities. Thanks to their excellent hardness and corrosion resistance, 440B washers are perfect for environments with moderate corrosive agents, ensuring that bolts remain secure and effective.
At Lina Fasteners, we adhere to exacting standards for our Stainless Steel 440B washers, ensuring careful labeling and accuracy. Our commitment includes detailed product specifications, advanced packaging systems and strict quality control in line with EN 10204/3.1b standards. A PMI test certificate and 100% radiography test report are included with each washer, emphasizing our commitment to quality and reliability. Testimonials from third parties further confirm that we adhere to high standards of customer satisfaction. Our washers are carefully packaged to prevent damage during transit, ensuring that it arrives in perfect condition, ready for demanding use.
Lina Fasteners is a leading manufacturer and supplier of high-quality fasteners in Tunis, Tunisia, with over 8 years of experience serving global industries.
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