Request For Our Latest Prices On SS 440b Washers in Kolkata, India!
Rinku Fasteners, located in Kolkata, India, stands out as a top manufacturer and supplier of high-quality fastening solutions, including Stainless Steel 440B Washers. Renowned for their precision manufacturing and rigorous quality standards, these washers deliver outstanding performance even in the toughest applications. Rinku Fasteners is dedicated to providing products that blend strength, durability, and corrosion resistance, ensuring dependable service in both industrial and commercial projects. Their commitment to excellence has made them a trusted ally for engineers, contractors, and various industries throughout India. Stainless Steel 440B Washers are designed to boost the longevity and stability of bolted joints, offering exceptional support in a variety of environments.
Stainless Steel 440B Washers are crafted from high-carbon martensitic stainless steel, featuring around 0.60–0.75% carbon and 16–18% chromium. This unique composition grants them impressive hardness, wear resistance, and moderate corrosion resistance. These washers can be heat-treated to achieve high tensile strength and durability, making them perfect for high-stress applications. They also provide excellent dimensional stability and resist deformation under load. With their blend of mechanical strength, hardness, and corrosion resistance, 440B washers reliably perform in mechanical assemblies, minimizing wear and ensuring long-lasting support for bolted connections.
| 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 applications that demand high strength, wear resistance, and corrosion protection. They are particularly suited for automotive, aerospace, machinery, and industrial equipment where precision and durability are paramount. These washers play a crucial role in evenly distributing loads across bolted connections, helping to prevent damage to components. Their robust design ensures they can withstand harsh conditions, making them a go-to choice for engineers and manufacturers looking for reliable fastening solutions in various industries.
At Rinku 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.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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