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Hakan Nickel Alloys, located in Istanbul, Turkey, is a trusted name when it comes to manufacturing and supplying high-performance fastening solutions, particularly Duplex Steel Nuts. These nuts are crafted to provide exceptional strength, impressive corrosion resistance, and reliable performance even in the toughest industrial settings. They’re produced to meet international standards and come in a variety of sizes, thread types, and finishes. Industries such as oil and gas, petrochemicals, marine, construction, and desalination rely on Duplex Steel Nuts from Hakan Nickel Alloys for their demanding and corrosive applications.
|
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 Hakan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Nuts in Istanbul, Turkey, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Turkey, 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 are essential in applications that demand durable and corrosion-resistant fastening solutions. You’ll often find them securing components in pressure vessels, pipeline flanges, pumps, valves, structural assemblies, offshore platforms, and marine environments. Their ability to maintain mechanical integrity in harsh conditions, such as seawater, brine, and acidic chemicals, makes them perfect for long-term use in challenging environments. With Duplex Steel Nuts, you get a secure and long-lasting fastening solution that guarantees safety and reliability in even the most demanding industrial operations.
