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At Mehul Nickel Alloys, based in Dubai, UAE, we pride ourselves on being a leading manufacturer and distributor of duplex steel nuts. Renowned for their exceptional strength and resistance to corrosion, our duplex steel nuts are engineered to meet the rigorous demands of various industrial and structural applications. Leveraging advanced manufacturing techniques and stringent quality controls, we ensure that each nut delivers unparalleled performance and reliability. Trust Mehul Nickel Alloys for top-quality duplex steel nuts that enhance the durability and efficiency of your projects, backed by our commitment to excellence and customer satisfaction.
Duplex steel nuts offer exceptional strength and high resistance to corrosion, making them ideal for harsh environments. Their unique dual-phase microstructure combines the properties of both ferritic and austenitic steels, providing enhanced toughness and fatigue resistance. These nuts also exhibit excellent resistance to stress corrosion cracking and are highly durable under high-pressure conditions. The result is a reliable and long-lasting solution for demanding industrial and structural applications, ensuring superior performance and longevity.
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 Mehul Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Nuts in Dubai, UAE, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the UAE, 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 widely used in demanding industries such as oil and gas, petrochemical, marine, and construction. Their superior strength and corrosion resistance make them ideal for critical applications including pipelines, offshore structures, and high-pressure systems. They are also used in chemical processing plants and structural frameworks where durability and resistance to harsh environments are essential. Their ability to withstand extreme conditions ensures reliable performance and longevity in both industrial and structural applications.