Home > Duplex Steel > Duplex Steel 2205 Fasteners
Duplex Steel 2205 Fasteners are hardware parts like bolts, screws, nuts, washers, and studs made from Duplex stainless steel alloy 2205. Celebrated for its two-phase microstructure that includes both austenitic and ferritic phases, these fasteners deliver outstanding characteristics. Providing high strength, superb corrosion resistance, and good weldability, Duplex Steel 2205 Fasteners are widely used across industries that require sturdy and long-lasting fastening solutions.
| Duplex 2205 Fasteners Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
|---|---|
| Duplex 2205 Fasteners Standard: | ASTM / ASME F60 / F51/ F61 / F55 / F53, DIN 933, DIN 931, ANSI, JIS standards |
| Duplex 2205 Fasteners In Form of: | Hex Square Round Threading as per Gauge Etc. |
| Duplex 2205 Fasteners Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| Duplex 2205 Fasteners Packing: | IN BULK :canton/pallet, Small Boxs/carton/ pallet, or customer request |
| Duplex 2205 Fasteners Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| Duplex 2205 Fasteners Property Class: | For Bolts & Screws: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H For Nuts: A2-70, A2-80, A4-70, A4-80, F594C, F594D, F594G, F594H, A2-035, A4-040 For SHCS: F837B, F837C, F837E, F837 For Threaded Rods: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H, B8, B8M CL1 & CL2 |
| Duplex 2205 Fasteners Finish: | Passivated |
| C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|
| 2205 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 22.0 max: 23.0 | min: 3.0 max: 3.5 | min: 4.5 max: 6.5 | min: 0.14 max: 0.20 |
2205 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
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We supply these Duplex Steel 2205 Fasteners conforming to DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: Duplex 2205 fasteners deliver outstanding resistance to corrosion, particularly in demanding settings like marine and chemical processing applications. This capability stems from the balanced combination of chromium, molybdenum and nitrogen within the alloy, which offers superior defense against pitting, crevice corrosion and stress corrosion cracking.
Temperature Spread: Duplex 2205 fasteners maintain their mechanical characteristics across a broad temperature spectrum, from cryogenic to high temperatures, which makes them appropriate for use in numerous operating conditions without sacrificing performance
Cost-effectiveness: Although the upfront cost of duplex steel 2205 fasteners might exceed that of standard stainless steel, their extended lifespan and lower maintenance needs can generate cost savings. The combination of durability and efficiency in affected areas can help avoid costly downtime and maintenance.
Improved durability: Duplex stainless steels like 2205 offer superior strength and flexibility relative to ferritic stainless steels, rendering them better suited for applications that demand impact resistance and fatigue resistance humidity.
High strength: Duplex 2205 fasteners possess greater strength than austenitic stainless steel, enabling them to endure higher loads and stresses. This strength proves particularly valuable in construction and heavy materials where reliability and long-term durability are required.
Duplex steel 2205 fasteners serve a crucial function across a wide range of industrial sectors, owing to their remarkable characteristics. Commonly employed in fields like chemical processing, oil and gas, marine, and offshore, these fasteners deliver outstanding corrosion resistance and mechanical strength.
Oil and Gas Industry: Duplex steel 2205 fasteners are widely applied on offshore platforms, oil rigs, pipelines and refineries thanks to their outstanding corrosion resistance and high strength, corrosion in the tough conditions found in the oil and gas industry -and are able to endure the media
Power Generation: Applied in power plants, particularly in areas of high temperature, pressure and heat such as heat exchangers, boilers and turbines
Pulp and Paper Industry: Duplex steel 2205 fasteners serve in pulp and paper processing machines owing to their resistance to corrosion from various chemicals and elevated temperatures
Marine Industry: Duplex steel 2205 fasteners are employed in shipbuilding, marine structures and offshore installations because of their resistance to seawater
Chemical: In chemical plants, where volatile chemicals are managed, duplex steel 2205 fasteners are favored for their corrosion and pitting resistance to safeguard the integrity of equipment and machinery
Yes, Duplex Steel 2205 Fasteners are suitable for recycling once they’ve been used. Duplex stainless steel, 2205 included, is highly recyclable and keeps its properties even through multiple recycling cycles, making it an environmentally sustainable option for fastener applications.
Yes, Duplex Steel 2205 fasteners deliver outstanding corrosion resistance. They offer excellent protection against a range of corrosive conditions, including environments with chloride ions, which makes them well-suited for use in marine, chemical, and offshore sectors. The balanced microstructure of Duplex 2205 improves its ability to withstand corrosion and stress corrosion cracking.
Yes, Duplex Steel 2205 fasteners are weldable through standard welding methods including shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), and submerged arc welding (SAW). That said, post-weld heat treatment along with correct welding procedures are necessary to preserve corrosion resistance and mechanical properties.
Duplex Steel 2205 fasteners work well in moderate to high-temperature settings. Compared to austenitic stainless steels, they show good strength and resistance to oxidation at elevated temperatures. That said, extended exposure to temperatures exceeding 300°C (572°F) can impact their mechanical properties and corrosion resistance.
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