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Tanvir Nickel Alloys stands out as a leading manufacturer and supplier of Duplex Steel Nuts in Cairo, Egypt. They specialize in crafting high-quality, corrosion-resistant fasteners that are built for strength, durability, and reliability. Each nut is precision-engineered to meet international standards, ensuring secure fastening in tough industrial, marine, and offshore settings. You’ll find Tanvir Nickel Alloys’ Duplex Steel Nuts widely utilized in the oil & gas, chemical, petrochemical, and desalination sectors, where they face corrosive environments, high pressure, and extreme temperatures, demanding fasteners with outstanding mechanical and corrosion-resistant qualities.
|
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 Tanvir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Nuts in Cairo, Egypt, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Egypt, 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 application in chemical processing, petrochemical, oil & gas, and offshore industries, where they secure flanges, valves, pumps, and piping systems that are exposed to harsh and corrosive environments. They’re also used in desalination plants, marine installations, and power generation facilities, where durability, corrosion resistance, and mechanical strength are essential. These nuts offer long-lasting, maintenance-free fastening solutions in high-pressure, high-temperature, and aggressive industrial settings.
