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Lina Fasteners is a reliable manufacturer and supplier located in Tunis, Tunisia, specializing in high-quality Duplex Steel Washers S32205 that cater to demanding industrial needs. Renowned for their precision engineering and rigorous quality control, the company provides washers that boast impressive strength, durability, and resistance to corrosion. These Duplex Steel S32205 washers are crafted to meet international standards, making them perfect for tough environments where dependability is essential. Lina Fasteners caters to a variety of sectors by ensuring consistent performance, precise dimensions, and a reliable supply of both standard and custom fastening solutions.
Duplex Steel S32205 is a nitrogen-enhanced duplex stainless steel that features a well-balanced microstructure of austenite and ferrite. Its typical composition includes around 22% chromium, 5–6% nickel, nearly 3% molybdenum, and added nitrogen to enhance strength and corrosion resistance. In terms of mechanical properties, S32205 washers deliver high tensile and yield strength, outstanding fatigue resistance, and commendable toughness. They also excel in resisting pitting, crevice corrosion, and stress corrosion cracking when compared to traditional austenitic stainless steels.
| 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 S32205 find extensive use in applications that demand high strength and exceptional corrosion resistance. They’re commonly utilized in industries such as oil and gas, petrochemical, chemical processing, marine, offshore structures, and desalination plants. These washers are designed to perform reliably in chloride-rich and aggressive environments, making them ideal for seawater systems, heat exchangers, pressure vessels, and piping assemblies. Their capability to endure high loads and harsh conditions ensures a long service life and minimizes maintenance in critical industrial settings.
At Lina Fasteners, we ensure that our Duplex Steel S32205 washers are meticulously packaged to maintain their quality and integrity. Each washer undergoes a thorough inspection and is individually wrapped in protective material to prevent damage. They are then packed in sturdy, clearly labeled boxes that include detailed product specifications and quantities. Our packaging is designed to protect against environmental factors and physical impacts, ensuring your high-performance washers arrive in perfect condition and ready for 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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