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Puri Fasteners, a leading manufacturer and supplier in Chennai, specializes in premium-quality Duplex Steel Washers S31803, designed for industries requiring exceptional strength, corrosion resistance, and long-lasting performance. These washers are precision-engineered from high-grade duplex stainless steel using advanced manufacturing processes, ensuring durability and dimensional accuracy. Known for their ability to withstand harsh environments and mechanical stress, Duplex Steel S31803 Washers are ideal for critical industrial applications. Puri Fasteners is committed to delivering consistent quality, timely supply, and dependable service, making their products a trusted choice for marine, offshore, chemical, and heavy engineering sectors where reliable fastening solutions are essential.
Duplex Steel Washers S31803 are manufactured from a dual-phase stainless steel alloy with a balanced microstructure of austenite and ferrite, enriched with chromium, nickel, molybdenum, and nitrogen. This composition provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich environments. The washers exhibit high tensile and yield strength, exceptional toughness, and superior fatigue resistance, maintaining stability under high-pressure and high-temperature conditions. The combination of mechanical strength and corrosion resistance ensures that Duplex Steel S31803 Washers deliver reliable, long-lasting performance in demanding industrial applications.
| 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 Washers S31803 are widely used in industries where high-strength, corrosion-resistant, and durable fastening solutions are essential. They are commonly applied in offshore platforms, marine engineering, and shipbuilding projects due to their resistance to seawater and harsh environmental conditions. These washers are also suitable for chemical processing plants, oil and gas installations, heat exchangers, pressure vessels, and desalination units. Additionally, they are used in heavy machinery, structural frameworks, and industrial equipment. Their exceptional mechanical strength, resistance to stress corrosion, and long-term reliability make Duplex Steel S31803 Washers a dependable choice for secure and efficient fastening in critical applications.
At Puri 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.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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