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We are a trusted Duplex Steel Nuts manufacturer and supplier based in Houston, USA. Designed for strength, corrosion resistance, and dimensional accuracy, our nuts are manufactured in different forms and sizes to meet ASTM and international specifications. These nuts can be used in aggressive applications where mechanical strength and environmental resistance are essential. With strong manufacturing facilities and a quality-centric mindset, Elvis Nickel Alloys provides reliable fastening solutions for the marine, petrochemical, and offshore sectors. Our Duplex Steel Nuts are relied upon by customers all over the world for their strength, performance, and long lifespan under difficult conditions.
|
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 Elvis Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Nuts in Texas, USA, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the USA, 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 play a vital role in industries demanding high-strength, corrosion-resistant fastening systems. Typical uses are in offshore oil rigs, marine platforms, desalination plants, and pipes. These nuts are commonly utilized along with washers and bolts in structural steel structures, pressure vessels, and chemical reactors. Because of their superior corrosion resistance, they‘re well-suited to be utilized in saltwater and acidic environments. Duplex Steel Nuts also find applications in the construction of bridges, heavy equipment, and shipbuilding where safety and long-term performance are essential. Their mechanical reliability under pressure and temperature variations makes them indispensable in critical and load-intensive installations.
