Good Price of 2205 Duplex WNRF Flanges Exporter, Ferritic / Austenitic Duplex Steel 2205 Industrial Flanges, Stockholder of Duplex Steel S31803 RTJ Flange, ASME SA182M Duplex Steel S32205 Class 300 Flange Wholesaler, Duplex Flat Flange, Duplex En 1092-1 Flanges Traders in India.
Stockist of Duplex Steel Gr. F52 S32205 Slip on Flanges, Duplex Steel Blind Flanges Dealer in India, Duplex Steel 2205 Flanges, Duplex Flange, Duplex Steel UNS S31803 F51 Pipe Flanges, Global Supplier of Duplex Steel Grade F56 Weld Neck Flange, Table E, Duplex Stainless Steel S32205 Blind Flanges, SAF 2205 Long Weld Neck Flanges, ANSI B16.5 Duplex Steel F60 Orifice Flanges, BS10 Table D, DIN Standard Flanges.
Valour Alloys Inc., we carry a full inventory and Supply Duplex Steel Flanges products in a variety of sizes widely used for marine applications due to their excellent resistance to seawater corrosion, low macrofouling rates, and good fabricability.
An austenitic-ferritic stainless variant with a higher stress corrosion cracking resistance in comparison to regular austenitic 304 and 316 stainless, but with a lower toughness and impact strength. This category of material includes grades 2205, F51, F53, and F60.
Duplex steel flanges are essential components in various industrial applications, known for their exceptional corrosion resistance, strength, and durability. These flanges are commonly used in pipelines, pressure vessels, and other critical systems where resistance to harsh environments is essential. Here's an introduction to Duplex steel flanges

Duplex Steel Flanges Manufacturer

Duplex Steel Flanges Exporter
Werkstoff No 1.4462 Ss Socket Weld Flanges, ANSI B16.5, ANSI B16.47, B16.48, BS4504, BS 10, EN-1092 Duplex Steel Forged Flanges, Wrought Ferritic / Austenitic Duplex Steel ASTM A182 Threaded Flanges, UNS S32205 Duplex Lapped Joint Flanges, Duplex Stainless Steel Flanges, Duplex S32205 Slip On Flanges, Duplex S31803 Slip On Flanges, Manufacturer of ASTM A182 Duplex 2205 Plate Flange in Mumbai, India.
Composition and Structure: Duplex steel is a family of stainless steels characterized by a two-phase microstructure, typically consisting of approximately equal amounts of austenite and ferrite. This balanced composition gives Duplex steel its name and imparts several valuable properties, including high strength, resistance to corrosion, and excellent weldability.
Key Alloys: Common alloys used for Duplex steel flanges include UNS S31803 (2205) and UNS S32205. These alloys contain elements such as chromium, nickel, molybdenum, and nitrogen, which enhance their corrosion resistance, making them ideal for aggressive environments like seawater, chemical processing, and oil and gas production.
Corrosion Resistance: Duplex steel flanges offer superior resistance to both general and localized corrosion, including stress corrosion cracking. They can withstand a wide range of corrosive substances, making them a reliable choice for industries that require resistance to various chemicals and corrosive media.
Strength and Toughness: Duplex steel flanges have a combination of high strength and toughness, which allows them to withstand high-pressure applications. This strength is especially useful in industries where safety and reliability are critical, such as offshore oil and gas production.
Weldability: Duplex steel is known for its good weldability. This means that fabricators can easily join and repair Duplex steel flanges using various welding techniques without compromising their corrosion resistance or mechanical properties.
Temperature Range: Duplex steel flanges are suitable for use in a wide temperature range, from cryogenic conditions to elevated temperatures. This versatility makes them adaptable to different industrial processes.
Common Applications: Duplex steel flanges find applications in various industries, including oil and gas, chemical processing, desalination, pulp and paper, and the marine sector. They are used in pipelines, heat exchangers, pressure vessels, and other critical systems where corrosion resistance and high strength are essential.
In conclusion, Duplex steel flanges are highly regarded for their excellent corrosion resistance, strength, and weldability. They play a crucial role in safeguarding the integrity and longevity of industrial systems in demanding environments, making them a valuable choice for engineers and industries with stringent performance requirements.
Duplex Steel Flanges Range
Duplex Steel Flanges Specification | ASTM A182 / ASME SA182 |
Duplex Steel Flanges Manufacturing Process | Hot Forging / Rolling / Machining |
Duplex Steel Flanges Other Grades | UNS S32205, UNS S31803, UNS S32750, UNS S32760, SAF® 2205, SAF® 2507, FERRINOX® 225, AMINOX® 225, ZERON® 100 |
Duplex Steel Flanges Outer Diameter | 1/2" NB TO 64" NB |
Duplex Steel Flanges Pressure Class | Class 150#, Class 300#, Class 400#, Class 600#, Class 900#, Class 1500#, Class 2500# or As Per Custom Requirement PN 6, PN 10, PN 16, PN 25 and PN 40 etc |
Duplex Steel Flanges Schedule | Sch 10s TO Sch XXS or As Per Custom Requirement |
Duplex Steel Flanges Facing | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
Duplex Steel Flanges Dimension | ASME B16.5, ASME B16.47 SERIES A, ASME B16.47 SERIES B, ASME B16.36, BS10, EN1092-1:2013, MSS SP44, ASA, API-605, ISO 7005, ISO 15590-3, DIN 2631--2638, DIN 2573-2576, DIN 2527, DIn 2641-2642, DIN 2565-2566, DIN2502, AWWA, AS2129 TABLE C, D, E, F, J etc.. |
Duplex Steel Flanges Types | Welding Neck Flange, Slip On Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Blind Flangec, Orifice Flanges, Plate Flange, Long Welding Neck Flanges, Weldoflange, Nipoflange, Expander Flange, Reducing Flange, WNRF Flange, SORF Flange, SWRF Flange, Custom Flange as per Drawing etc. |
Duplex Steel Flanges Other Testing | NACE MR0175, Ultrasoung TEST, IGC TEST, Intergranular Corrrosion Test as per ASTM A262 Practice E, Charpy Impact Test, Macro, Grain Size, Hardness, HIC, SSC, Sour Service etc. |
Duplex Steel Flanges Value Added Services | Rolling, Drill, Punch, CNC Machining, Sand Blasting, Shot Blasting, Heat Treatment, Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |
Duplex Steel Flanges Packaging | Loose / Carrate / Wooden Pallet / Wooden Box / Plastic Cloth Wraps |
Duplex Steel Flanges Shipment & Transportation | By Road - Truck / Train Partial Load, Full Load, By Sea - Break-bulk Conventional Vessel / Pressure Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes |
Duplex Steel Flanges Material Test Certificate | Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS, Bureau of Indian Standards BIS Approved ETC |
Duplex Steel Flanges
ASTM A182 Duplex Steel Slip-On Flanges | ASTM A182 Duplex Steel Threaded Flanges |
ASTM A182 Duplex Steel Weld Neck Flanges | ASTM A182 Duplex Steel Socket Weld Flanges |
ASTM A182 Duplex Steel Blind Flanges | ASTM A182 Duplex Steel Reducing Flanges |
ASTM A182 Duplex Steel Lap Joint Flanges | ASTM A182 Duplex Steel Plate Flanges |
ASTM A182 Duplex Steel Orifice Flanges | ASTM A182 Duplex Steel Forged Flanges |
ASTM A182 Duplex Steel Ring Type Joint Flanges | ASTM A182 Duplex Steel Square Flanges |
Types Of Duplex Steel Flanges
Chemical Composition of Duplex Steel Flanges
Grade | Common Name | C% | Mn% | Si% | P% | S% | Cr% | Ni% | Mo% | N% |
---|---|---|---|---|---|---|---|---|---|---|
2205 | S31803 | 0.030 | 2.00 | 1.00 | 0.030 | 0.020 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 |
2205 | S32205 | 0.030 | 2.00 | 1.00 | 0.030 | 0.020 | 22.0-23.0 | 4.5-6.5 | 3.0-3.5 | 0.14-0.20 |
Mechanical Properties of Duplex Steel Flanges
Tensile strength | 620MPa min | Density | 7,805kg/m3 |
---|---|---|---|
Yield strength | 450MPa mi | Elastic modulus | 200GPa |
Equivalent Grade of Duplex Steel Flanges
STANDARD | WNR. |
---|---|
Duplex S31803 / S32205 | 1.4462 |
Duplex Steel Flanges Weight Chart
Pipe Normal Diameter (inch) | Outer diameter Flange | Thicjness Of Flange Minimum | Diameter of Hub |
Diameter of Raised Face | Length Hub.Y | Thread Length | Diameter of Bolt Circle |
Diameter of Bolt Holes |
Number of Bolts |
Diameter of Bolts (inch) |
KG | LB | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1/2" | 15 | 89.00 | 11.20 | 30.20 | 35.10 | 15.70 | 15.70 | 60.50 | 15.80 | 4 | 1/2" | 0.4 | 0.9 |
3/4" | 20 | 98.50 | 12.70 | 38.10 | 42.90 | 15.70 | 15.70 | 69.90 | 15.80 | 4 | 1/2" | 0.7 | 1.5 |
1" | 25 | 108.00 | 14.20 | 49.30 | 50.80 | 17.50 | 17.50 | 79.30 | 15.80 | 4 | 1/2" | 0.8 | 1.8 |
1-1/4" | 32 | 117.50 | 15.70 | 58.70 | 63.50 | 20.60 | 20.60 | 88.90 | 15.80 | 4 | 1/2" | 1.2 | 2.6 |
1-1/2" | 40 | 127.00 | 17.50 | 65.00 | 73.20 | 22.40 | 22.40 | 98.60 | 15.80 | 4 | 1/2" | 1.5 | 3.3 |
2" | 50 | 152.50 | 19.10 | 77.70 | 91.90 | 25.40 | 25.40 | 120.70 | 19.10 | 4 | 5/8" | 2.3 | 5.1 |
2-1/2" | 65 | 178.00 | 22.40 | 90.40 | 104.60 | 28.40 | 28.40 | 139.70 | 19.10 | 4 | 5/8" | 3.7 | 8.1 |
3" | 80 | 190.50 | 23.90 | 108.00 | 127.00 | 30.20 | 30.20 | 152.40 | 19.10 | 4 | 5/8" | 4.1 | 9 |
3-1/2" | 90 | 216.00 | 23.90 | 122.20 | 139.70 | 31.80 | 31.80 | 177.80 | 19.10 | 8 | 5/8" | 5.1 | 11.2 |
4" | 100 | 228.50 | 23.90 | 134.90 | 157.20 | 33.30 | 33.30 | 190.50 | 19.10 | 8 | 5/8" | 5.9 | 13 |
5" | 125 | 254.00 | 23.90 | 163.60 | 185.70 | 36.60 | 36.60 | 215.90 | 22.40 | 8 | 3/4" | 7 | 15.4 |
6" | 150 | 279.50 | 25.40 | 192.00 | 215.90 | 39.60 | 39.60 | 241.30 | 22.40 | 8 | 3/4" | 8.4 | 18.5 |
8" | 200 | 343.00 | 28.40 | 246.10 | 269.70 | 44.50 | 44.50 | 298.50 | 22.40 | 8 | 3/4" | 13 | 28.6 |
10" | 250 | 406.50 | 30.20 | 304.80 | 323.90 | 49.30 | 49.30 | 362.00 | 25.40 | 12 | 7/8" | 18 | 39.5 |
12" | 300 | 482.50 | 31.80 | 365.30 | 381.00 | 55.60 | 55.60 | 431.80 | 25.40 | 12 | 7/8" | 29 | 64 |
14" | 350 | 533.50 | 35.10 | 400.10 | 412.80 | 57.20 | 57.20 | 476.30 | 28.50 | 12 | 1" | 39 | 86 |
16" | 400 | 597.00 | 36.60 | 457.20 | 469.90 | 63.50 | 63.50 | 539.80 | 28.50 | 16 | 1" | 47 | 103 |
18" | 450 | 635.00 | 39.60 | 505.00 | 533.40 | 68.30 | 68.30 | 577.90 | 31.80 | 16 | 1 1/8" | 57 | 126 |
20" | 500 | 698.50 | 42.90 | 558.80 | 584.20 | 73.20 | 73.20 | 635.00 | 31.80 | 20 | 1 1/8" | 76 | 167 |
24" | 600 | 813.00 | 47.80 | 663.40 | 692.20 | 82.60 | 82.60 | 749.30 | 35.10 | 20 | 1 1/4" | 97 | 214 |
Other Available Products Of Duplex Steel Flanges
Duplex Steel Flanges | Duplex Steel EN 1092-1 Flanges |
Duplex Steel BS 4504 Flanges | Duplex Steel 2205 Forged Flanges |
Duplex Steel UNS S31803 Flanges | Duplex Steel S32205 Slip on Flanges |
Duplex Steel Gr. F51 Flat Flange Suppliers | ANSI 2205 Duplex Steel Blind Flange |
Duplex Steel Gr. F52 Weld Neck Flanges Dealer | Duplex Steel Socket weld Flanges Exporter |
Duplex Steel F53 Long Weld Neck Flanges Stockholder | Duplex F54 Threaded Flanges Distributors |
Duplex Steel Grade F55 Reducing Flanges | Duplex Steel F56 Ring Type Joint Flanges Manufacturer |
Duplex Steel DIN 1.4462 Orifice Flange | Duplex Steel S32205 Spectacle Blind Flanges |
Duplex Steel UNS S32205 WNRF Flange | Duplex 2205 SORF Flanges |
ANSI B16.5 Duplex Steel F57 RTJ Flanges | Duplex Steel Screwed Flanges Stockist |
ASTM A182 Duplex Steel F59 Lap Joint Flanges | ASME SA182 Duplex Steel BLRF Flange |
Duplex Steel Gr. F60 Raised Face Flanges | 2205 Duplex Steel Nipoflange |
A182 Duplex Steel S32205 Square Flanges | ASME SA182M Duplex Steel S31803 SWRF Flange |
Duplex Steel F61 Tongue & Groove Flanges | Duplex Steel S31803 Male & Female Flanges |
Duplex Steel S32205 DIN Flanges | Duplex Steel ASME B16.5 Flanges |
Duplex Steel Flanges Application
- Oil and Gas equipments
- Offshore Technology
- Seawater Desalination Plants
- Chemical Industry
- Airport, Malls, Buildings
- Storage Tanks
- Medical Industry
- Civil Engineering
- Pressure vessels, Reactor tanks, and Heat exchangers
- Rotors, impellers and shafts
- Power Plants
- Petrochemical
- Shipbuilding Industry
- Mining Industry
- Food Equipments Industry
Test Certificates
We Duplex Steel Flanges with the following details Mill Test Certificate according to EN 10204 3.1, PMI Test, Test Report from NABL Approved Lab, 3.2 Certification by External Testing Authority third, ultrasonic test report, and X-ray report.
Quality Assurance
At Duplex Steel Flanges all types of Such as Duplex Steel UNS S31803 Flanges,Duplex Steel UNS S32205 Flanges,Duplex Steel F51 Flanges,Duplex Steel F60 Flanges from raw material purchase to production and product shipping. They are visually inspected for compliance with ASTM, ASME, DIN, EN and JIS codes and standards. We can also designate certified official testing agencies upon customer request so that they can witness the product's material, size and quality compliance reports.
Marking & Packing
Our Duplex Steel Flanges is packaged to ensure no damage during transit. In the case of export, the standard export packing is in a wooden box. All Duplex Steel Flanges are marked with our grade, batch number, size and mark. We can also do custom branding on our products as per buyer's unique requirements
Supplying Duplex Steel Flanges to Countries -
We Export Duplex Steel Flanges to Saudi Arabia, Iran, Iraq, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen, Syria, Israel, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Mayanmar, Taiwan, Cambodia, Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States of America, Canada, Mexico, Panama, Costa Rica, Puerto Rica, Trinidad And Tobago, Jamaica, Bahamas, Denmark, Russia, Norway, Germany, France, Italy, United Kingdom, Spain, Ukraine, Netherland, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Switzerland, Slovakia, Finland, Ireland, Croatia, Slovenia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, The Republic Of Congo, Gabon, Europe, Africa, Asia, North America, South America, Middle East, Far East Etc.
Distributing Duplex Steel Flanges to Cities -
We Export Duplex Steel Flanges to Navi Mumbai, Indore, Baroda, Muscat, Secunderabad, Gimhae-si, Kanpur, Colombo, Kuala Lumpur, Bhopal, Pimpri-Chinchwad, Rajkot, Haryana, Hanoi, Ernakulam, Chandigarh, Surat, Los Angeles, Hong Kong, Ahmedabad, Perth, Petaling Jaya, Hyderabad, Mumbai, Algiers, Edmonton, Ludhiana, Ho Chi Minh City, Karachi, Bangkok, Dallas, Bengaluru, Jakarta, Granada, Seoul, Cairo, Geoje-si, Rio de Janeiro, Abu Dhabi, Port-of-Spain, Sydney, London, Courbevoie, Vung Tau, Sharjah, Jaipur, Lahore, Chennai, Istanbul, Lagos, Thane, Dubai, Coimbatore, La Victoria, Calgary, Jeddah, Busan, Mexico City, Al Khobar, Caracas, Singapore, Atyrau, Manama, Kolkata, Riyadh, Jamshedpur, Brisbane, Toronto, Noida, Ahvaz, Vadodara, Doha, Visakhapatnam, Ulsan, New Delhi, Gurgaon, Bogota, Howrah, Moscow, Nashik, Ranchi, Nagpur, Al Jubail, Houston, Milan, Chiyoda, Aberdeen, Melbourne, New York, Dammam, Montreal, Santiago, Kuwait City, Pune, Tehran, Thiruvananthapuram, Faridabad, Madrid, Ankara Etc.