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Super Duplex Steel washers are available with Sheetal Fasteners and are designed to offer the best performance in the harshest conditions. Manufactured from Super Duplex Steel, which is a grade that has been developed from the austenitic and ferritic stainless steel, these washers are highly appreciated for their strength, resistance to corrosion, and durability. Our Super Duplex Steel washers are perfect for use in chemical processing, marine and the oil and gas industries because they provide efficient sealing and spacing in harsh environments.Â
Super Duplex Steel Washers have the following benefits. These include very high tensile strength and high resistance to stress corrosion cracking, pitting, as well as crevice corrosion. It is used in their applications because of its good performance at high and low temperatures and in severe environments, including excellent resistance to chloride stress corrosion cracking. Also, Super Duplex Steel washers have improved strength to weight ratio than the normal stainless steel and therefore are used in high pressure and corrosive environments.Â
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| UNS S32760 Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) | |
| Super Duplex Steel Bolts | 760 | 550 | 15 | 32 Max |
| Phosphorus | Sulphur | Silicon | Carbon | Manganese | Nickel | Molybdenum | Nitrogen | Copper | Chromium |
|---|---|---|---|---|---|---|---|---|---|
| 0.035 % max | 0.02 % max | 0.80 % max | 0.03% Max | 1.20 % max | 6.00 – 8.00 % | 3.00 – 5.00 % | 0.24 – 0.32 % | 0.50 % max | 24.0 – 26.0 % |
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.
Super Duplex Steel washers are used for many high-performance applications. In chemical processing, they efficiently control the interaction with corrosive chemicals and high pressure. In marine environments, they do not corrode in sea water, hence, they provide long service to the equipment. In the oil and gas industry, they offer safe and effective sealing and spacing where stress is high. In addition, Super Duplex Steel washers are applied in power generation and construction industries due to their high performance in harsh conditions.Â
At Sheetal Fasteners, we make sure that our Super Duplex Steel washers are packed in the best way possible. Individual protection of each washer is done to avoid any form of damage, corrosion, or contamination that may occur during transportation. We employ the sturdy cartons and allow customization of packaging depending on your requirements. Proper labeling and packing enable identification and handling of the products as per the customers’ requirements, which are part of our mission to provide quality products in good condition.
Sheetal Fasteners is a leading manufacturer and supplier of high-quality fasteners in Dubai, UAE, with over 8 years of experience serving global industries.
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