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Aisha Nickel Alloys is a reputable manufacturer and supplier of top-notch Duplex Steel Nuts, proudly based in Muscat, Oman. We focus on delivering precision-engineered fastening solutions that not only meet international standards but also cater to the rigorous demands of various industries. Our Duplex Steel Nuts are crafted using cutting-edge manufacturing techniques and strict quality controls, ensuring they boast exceptional strength, corrosion resistance, and a long lifespan. We serve a range of sectors, including oil and gas, marine, construction, and petrochemicals, and we’re dedicated to providing timely deliveries, competitive pricing, and tailored solutions that enhance reliable and safe industrial operations throughout the Middle East and beyond.
|
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 Aisha Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Nuts in Muscat, OMAN, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the OMAN, 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 their place in industries where strength and corrosion resistance are paramount. They are frequently used in oil and gas pipelines, offshore platforms, petrochemical facilities, and marine structures that face harsh saline conditions. Additionally, these nuts are ideal for chemical processing equipment, heat exchangers, pressure vessels, and construction projects that require robust fasteners. Their ability to endure high mechanical stress, elevated temperatures, and aggressive chemicals makes Duplex Steel Nuts a dependable choice for long-term, safety-critical fastening needs.
