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Ashraf Nickel Alloys, a top-notch manufacturer and supplier based in Riyadh, Saudi Arabia, specializes in high-quality Duplex Steel Nuts. These nuts are celebrated for their outstanding strength, resistance to corrosion, and impressive durability. Crafted to adhere to strict international standards, they’re perfect for tough industrial applications in sectors like oil and gas, chemicals, petrochemicals, marine, and power generation. Ashraf Nickel Alloys guarantees precise threading and dimensional accuracy, ensuring that these nuts perform reliably even under high stress, extreme temperatures, and harsh corrosive conditions. With Duplex Steel Nuts, you get secure and long-lasting fastening solutions, making them a go-to choice for critical assemblies, pipelines, and structural connections in demanding industrial settings.
Made from a well-balanced mix of austenitic and ferritic stainless steel, Duplex Steel Nuts boast high tensile and yield strength along with excellent toughness. They excel in resisting pitting, crevice corrosion, and stress corrosion cracking, especially in environments rich in chlorides and other aggressive elements. These nuts maintain their mechanical integrity under heavy loads and extreme temperatures, ensuring they remain reliable over the long haul. Their unique metallurgical properties allow for precise threading, machining, and installation, making them ideal for high-performance industrial applications where both mechanical strength and corrosion resistance are crucial.
|
Material |
Specification |
Standards |
Size
|
Length |
|
Duplex Steel
|
IS
BS
ASTM
|
ASTM / ASME – A/ SA 479 / 479 |
3 mm
to
200 mm
|
M02 to M30
|
| Cr | N | Ni | C | Mn | Si | P | S | Mo | |
|---|---|---|---|---|---|---|---|---|---|
| S31803 | min: 21.0 max: 23.0 | min: 0.08 max: 0.20 | min: 4.5 max: 6.5 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 2.5 max: 3.5 |
| S32205 | min: 22.0 max: 23.0 | min: 0.14 max: 0.20 | min: 4.5 max: 6.5 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 3.0 max: 3.5 |
Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) | Yield Strength 0.2% Proof (MPa) min | Hardness Rockwell C (HR C) |
|---|---|---|---|---|
UNS-S 31803 | 650-880 | 25 | 448 | |
UNS-S 32205 | 621 | 25 | 448 | 21 max |
At Ashraf Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Nuts in Riyadh, Saudi Arabia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Saudi Arabia, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Duplex Steel Nuts find extensive use in oil and gas installations, chemical processing plants, desalination facilities, marine engineering, and power generation equipment. They’re perfect for securing flanges, pipelines, pressure vessels, and structural components that face corrosive media and mechanical stress. By providing durable, leak-proof, and safe connections, these nuts significantly enhance operational efficiency and reliability. With their blend of high mechanical strength, corrosion resistance, and long service life, Duplex Steel Nuts from Ashraf Nickel Alloys are the preferred choice for industries looking for dependable solutions.