Home > Duplex Steel > Duplex Steel S32205 Fasteners
Duplex Steel S32205 Fasteners are vital hardware parts manufactured from the well-known Duplex stainless steel alloy S32205. This alloy is valued for its dual-phase microstructure, uniting austenitic and ferritic phases, which yields outstanding characteristics. Offering impressive strength, excellent corrosion resistance, and great weldability, Duplex Steel S32205 Fasteners remain the go-to option across sectors that demand durable and dependable fastening solutions.
Standard : DIN, ASTM, BS and all International Standards
Size : 3 mm to 200 mm
Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size :M1 – M64 | #4 to 3″ | Custom Sizes
Length :M02 to M33
Types :Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw,
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex Steel S32205 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Duplex Steel S32205 | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept readily on hand in stock.
Reach out to us for a fast quote on your requirement.
These Duplex Steel S32205 Fasteners are supplied by us in accordance with DIN, ISO, JIS or ANSI Standard.
Water resistance: Duplex steel S32205 features a balanced microstructure combining austenite and ferrite phases, delivering outstanding corrosion resistance, including against stress corrosion cracking, pitting and crevice corrosion. As a result, these fasteners are well suited for demanding environments like marine and coastal applications.
Temperature range: S32205 duplex steel fasteners retain their mechanical properties across a wide temperature range, from cryogenic to high temperature, offering versatility across operating conditions.
Cost: Although two-piece steel fasteners may carry a higher upfront cost than conventional stainless steel, their strong corrosion resistance and durability yield long-term savings by cutting maintenance, downtime and replacement expenses. It can come from savings.
Fatigue Resistance: The dual S32205 design improves fatigue resistance, making these fasteners well suited for applications exposed to cyclic loads and vibration
Strength: S32205 duplex steel fasteners offer greater strength than austenitic stainless steel, resulting in higher load-bearing capacity and improved performance in construction applications
Duplex steel S32205 fasteners are essential across a wide range of industrial sectors, owing to their outstanding properties. Commonly employed in fields like chemical processing, oil and gas, marine, and offshore, these fasteners deliver excellent corrosion resistance and mechanical strength.
Oil and Gas Industry:Duplex steel S32205 fasteners are extensively employed in both offshore and onshore oil and gas operations owing to their ability to withstand sea water, acids and aggressive chemicals; as a result they serve a range of industries such as pipelines, subsea equipment, and operational workshops constructed.
Pulp and Paper Industry: Duplex steel S32205 fasteners are applied in the pulp and paper sector where corrosive chemicals are involved throughout the manufacturing process.
Marine applications: Duplex steel S32205 fasteners serve marine purposes including shipbuilding, offshore platforms and marine structures thanks to their resistance to corrosion within the marine setting
Desalination equipment: Duplex steel S32205 fasteners work well in desalination plants where seawater is processed into fresh water. The material’s corrosion resistance makes it perfect for seawater-corrosive environmental uses.
Chemical applications: Within chemical corrosive control plants, duplex steel S32205 fasteners are favored for their resistance to corrosion and pitting. They are utilized in equipment like reactors, heat exchangers, and storage tanks.
Understand application requirements: Determine the exact use case in which the fastener will be applied. Take into account load-bearing capacity, temperature, resistance to corrosion, and surrounding environmental conditions.
Corrosion Resistance: Duplex steel S32205 delivers outstanding resistance to corrosion, particularly in settings tainted by chlorides such as seawater and chemical plants. When required, make sure the packaging materials are suitably treated or coated to get the most out of the packaging.
Size and Dimensions: Using the application requirements, work out the necessary fastener size, length, and thickness. Verify that the fasteners comply with the required standards and tolerances.
Grade Selection: Duplex Steel S32205 is a widely used grade recognized for its well-balanced mix of properties, such as resistance to chloride stress corrosion cracking, high strength, and good weldability, though other grades within your duplex stainless steel family may need to be taken into account depending on your application.
Compatibility: Confirm that duplex steel S32205 fits your application. Duplex stainless steel offers outstanding corrosion resistance along with superior strength, which makes it appropriate for a range of uses, including marine applications, chemical processing, and oil and gas.
Yes,Duplex Steel S22205 fasteners are recyclable once they have served their purpose. Duplex stainless steel is recognized for its outstanding ability to be recycled. Following its use in applications like fasteners, it can be gathered, treated, and reprocessed to create new stainless steel products. Recycling stainless steel contributes to preserving natural resources and lowering environmental impact, which makes it a sustainable option for a wide range of applications.
Yes,Duplex steel S32205 fasteners offer strong corrosion resistance thanks to their duplex microstructure, which merges the advantages of both austenitic and ferritic stainless steels. This makeup delivers outstanding protection against multiple types of corrosion, such as pitting, crevice corrosion, and stress corrosion cracking, which makes them well suited for challenging environments.
Yes,Duplex steel S32205 fasteners are weldable with standard welding methods including shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), and gas metal arc welding (GMAW). That said, close consideration of welding parameters and post-weld heat treatment is required to preserve the material’s intended properties and corrosion resistance.
Duplex steel S32205 fasteners demonstrate solid strength and resistance to corrosion at moderate to high temperatures, which makes them appropriate for numerous high-temperature uses. That said, their performance may decline in extremely high-temperature settings when compared to specialized alloys engineered for those conditions.
Email: sales@koasteel.nz