Based in the Midlands of the UK leading manufacturer and supplier Hudson Flanges specialize in Duplex Steel Flanges 2205. Known for their exceptional strength and corrosion resistance Designed for demanding industries such as oil, gas , petrochemical and marine applications. These Duplex 2205 flanges offer excellent durability in aggressive environments with a balanced microstructure of austenite and ferrite. Duplex 2205 chloride provides superior resistance to stress corrosion cracking and pitting. We are committed to quality and consistency delivering products that meet global standards ensuring reliable long-term solutions to complex engineering needs across industries.
Duplex steel flanges 2205 are composed of approximately 22% chromium, 5-6% nickel, and 3% molybdenum and nitrogen. Which gives them corrosion resistance especially against pitting and chloride pressure corrosion in machinery. Duplex 2205 high-yield strength (standard). Austenitic stainless steel provides a tensile strength of about 620 MPa making it ideal for high-stress applications. Major advantages include excellent durability, high fatigue resistance, and stability in marine environments is very hot. Duplex 2205 unique balance of hardness and corrosion resistance makes it suitable for complex applications in the oil and gas, chemical and marine industries.
Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
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JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
UNI | 6Bar 10Bar 25Bar 16Bar 40Bar |
EN | 25Bar 6Bar 10Bar 16Bar 40Bar |
Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Raised Face (RF), Lap-Joint Face (LJF), Small Male-Female (SMF), Flat Face (FF), Large Male-Female (LMF), Small Tongue, Large Tongue & Groove, Groove |
Uses & application |
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Pressure Rating ANSI | 600 LBS, 900 LBS, 150 LBS, 2500 LBS, 300 LBS, 1500 LBS |
Pressure Calculation in DIN | 16Bar 6Bar 25Bar 40Bar 10Bar / PN10 PN16 PN6 PN25 PN64 PN40 |
Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
Coating | Zinc Plated,Oil Black Paint, Cold and Hot Dip Galvanized, Anti-rust Paint, Yellow Transparent |
Most common types | Threaded / Screwed / Forged / Plate |
Equipment | Pushing Machine, Press machine, electric bevelling machine, Bending machine, Sand-blasting machine etc |
Origin | West Europe / Japan / Indian / USA / Korean |
Test | Direct-reading Spectrograph, UI trasonic flaw detector, Hydrostatic testing machine, X-ray detector, Magnetic particle detector |
Standards | API605, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, ASME Flanges, API7S-15, API7S-43, BS Flanges, DIN Flanges, EN Flanges, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, EN1092 |
Export to | Dubai, Singapore, Indonesia, Ukraine, Korea, Iran, India, Saudi Arabia, Thailand, Egypt, Oman, Spain, Canada, USA, Ireland, Brazil, Peru, etc |
Special design | As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations |
Hudson Flanges, a leading supplier in Midland, UK, offers an extensive selection of Duplex Steel Flanges 2205, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
Duplex Steel Flanges 2205 are widely used in industries requiring high strength and resistance to corrosion particularly in harsh chloride-rich environments. In the oil and gas industry they are essential for pipelines, offshore platforms, and processing equipment. Where durability and corrosion resistance are critical. In the chemical and petrochemical sectors Duplex 2205 flanges are ideal for equipment exposed to corrosive chemicals and high pressures. Marine applications such as desalination plants, shipbuilding, and dock construction benefit from their resilience to seawater corrosion. Additionally they are used in pulp and paper production, heat exchangers, and structural applications requiring reliable performance in aggressive environments.
C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Co-eff of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C ( J/kg.K) | Electrical Resistivity (nΩ.m) | |||
0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
2205 | 782 | 190 | 13.7 | 14.2 | – | 19 | – | 418 | 850 |
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 % |
Yes, we offer custom sizes for Duplex Steel Flanges 2205 to meet specific project needs. Our team at Hudson Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@hudsonflanges.co.uk.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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