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At Bristow Nickel Alloys, Midland, UK, we are a top manufacturer and supplier of duplex steel nuts. We specialize in duplex steel nuts that are superior in terms of strength and corrosion resistance. Our duplex steel nuts are designed to withstand the tough conditions of different industrial and structural uses. With advanced manufacturing practices and strict quality inspections, we assure each nut to deliver exceptional performance and durability. Trust Bristow Nickel Alloys for the best duplex steel nuts to make your projects more efficient and longer-lasting, backed by excellence and customer satisfaction.
Duplex steel nuts provide high strength and excellent corrosion resistance, which is well suited for hostile environments. With their special dual-phase microstructure, which integrates the characteristics of both ferritic and austenitic steels, they provide superior toughness and resistance to fatigue. They also have high resistance to stress corrosion cracking and excellent durability under high pressure. This all results in a robust and long-lasting device for demanding structural and industrial applications, with high performance and durability.
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 |
Bristow Nickel Alloys is the biggest manufacturer and supplier of Duplex Steel Nuts in Midland, UK. With high-quality, long-lasting, and corrosion-resistant products. Precision and reliability are ensured through our advanced manufacturing technology. We maintain industry standards and supply products on time with excellent customer service. Focused on quality and innovation, we supply reliable solutions to address the changing requirements of our customers.
Contact us to get a quick quote for your requirement.
Duplex steel nuts are widely used in demanding sectors such as oil and gas, petrochemical, marine, and construction. Their enhanced strength and resistance to corrosion make them perfect for heavy-duty applications like pipelines, offshore facilities, and high-pressure systems. They are also applied in chemical processing facilities and structural structures where resistance to severe conditions and longevity are imperative. Their robustness to extreme conditions guarantees dependable performance and longevity in industrial and structural applications.