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Super Duplex Steel Screws are available at Sheetal Fasteners which is a reputed manufacturer and supplier of the product that is ideal for use in the harshest conditions. Made from Super Duplex Steel, which is a combination of the properties of both austenitic and ferritic stainless steels, these screws are characterized by high strength, corrosion resistance, and service life. Our Super Duplex Steel screws are suitable for use in chemical processing, marine and oil and gas industries because they provide secure fastening in difficult conditions.
The Features of Super Duplex Steel Screws are high tensile strength and resistance to stress corrosion cracking, pitting as well as crevice corrosion. They retain their performance at elevated and low temperatures and in severe operating conditions and have better resistance to chloride induced stress corrosion cracking. Also, Super Duplex Steel screws are stronger than the normal stainless steel in terms of strength to weight ratio, hence ideal for high pressure and corrosive environments but at the same time very light and strong.
| 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 Screws are used in various high performance areas. In chemical processing they are able to resist the effects of aggressive chemicals and high pressure. In marine applications, they are protected from corrosion by sea water hence giving long service life. In the oil and gas industry, they offer secure fastening where tension is usually high. Also, Super Duplex Steel screws are employed in power generation and construction industries because of their excellent performance in harsh conditions.
At Sheetal Fasteners, We make sure that our Super Duplex Steel Screws are packed with the utmost of precaution. Every screw is covered separately to avoid any damages, rust or any other contaminant that may affect the screw during transportation. We employ sturdy cartons and provide customized packaging services depending on the client’s requirements. We ensure that our products are well packed and labeled to enhance identification and handling to ensure that the end consumer receives our products in the best 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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