Home > Duplex Steel > Duplex Steel S31803 Nuts
At Mehul Nickel Alloys, we specialize in providing premium Duplex Steel S31803 nuts, renowned for their exceptional strength and corrosion resistance. As a leading manufacturer and distributor based in Dubai, UAE, we cater to various industries, including marine, chemical, and industrial sectors. Our Duplex Steel S31803 nuts are engineered to withstand extreme conditions, ensuring reliable performance and durability. With a commitment to quality and customer satisfaction, we offer a comprehensive range of products to meet your specific needs. Trust Mehul Nickel Alloys for top-notch materials and unmatched service in the UAE market.
Duplex Steel S31803 nuts offer exceptional strength, high corrosion resistance, and excellent durability, making them ideal for harsh environments. Their dual-phase microstructure combines the benefits of both austenitic and ferritic steels, providing superior toughness and resistance to stress corrosion cracking. Additionally, S31803 nuts are highly resistant to pitting and crevice corrosion, ensuring reliable performance in marine, chemical, and industrial applications. Their strength allows for lighter and more cost-effective designs compared to traditional materials.
Material
|
Specification
|
Standards |
Size
|
Length
|
Duplex Steel S31803 |
IS BS ASTM |
ASTM / ASME – A/ SA 479 / 479
|
3 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 S31803 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 S31803 nuts are widely used in demanding environments due to their high strength and corrosion resistance. Common applications include marine and offshore structures, chemical processing equipment, and oil and gas industry components. They are ideal for use in pumps, valves, and flanges, where resistance to chloride-induced stress corrosion and pitting is critical. Their robust properties also make them suitable for high-pressure and high-temperature applications, ensuring reliable performance and extended service life.