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At Rinku Fasteners, We are a Leading Manufacturer and Supplier of Duplex Steel S31803 Washers in Kolkata, India. Our washers are designed for high strength and corrosion resistance, making them ideal for tough industrial applications. Suitable for use in marine, chemical and high pressure environments, our S31803 washers meet stringent quality standards to ensure reliability and durability. Trust us with two high-performance steel washers that offer exceptional performance in harsh conditions.
Duplex Steel S31803 washers offer exceptional strength and excellent corrosion resistance, particularly in chloride-rich environments. They combine the advantages of both austenitic and ferritic steels, providing high tensile strength and resistance to stress-corrosion cracking and pitting. Their superior toughness and durability make them ideal for high-pressure and high-temperature applications. Suitable for use in marine, chemical processing, and oil and gas industries, these washers ensure long-term performance and reliability in demanding conditions.
| Grade | Duplex Steel UNS S31803 / S32205 |
| Specifications | ASTM A 479 ASME SA 479 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Star Washer, Flat Washer, Lock Washer, Slot Washer, Machine Washer, Sealing Washer, Split Washer, Dome Tooth Washer, Countersunk Washer, Tab Washers, Spherical Washer, Square Washer, Spring Washer, Round Washers, Square Washers etc |
| S31803 / S32205 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| S31803 / S32205 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
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.
Duplex Steel S31803 washers are used in applications where high strength and excellent corrosion resistance are required. They are ideal for marine environments, chemical processing, and oil and gas industries. These washers perform well in high-pressure and high-temperature settings, such as in heat exchangers, reactors, and pipelines. Their resistance to stress-corrosion cracking and pitting ensures durability and reliability, making them suitable for demanding industrial conditions where both mechanical performance and resistance to harsh environments are crucial.
At Rinku Fasteners, we prioritize the safety and quality of our Duplex Steel S31803 washers during delivery. Each washer is thoroughly inspected and individually wrapped in protective packaging to prevent damage. They are then placed in tightly labeled boxes with product details and detailed quantities. Our packaging is designed to protect the environment and physical impact, ensuring that your high-performance washer arrives in prime condition and ready for immediate 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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