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Duplex Steel 2205 Flanges · Duplex Flange Supplier · ASTM A182 F51 · ASTM A182 F60 · 2205 Duplex Flanges Manufacturer · Duplex 2205 Flanges · Duplex Steel Flanges · Duplex Stainless Steel Flanges

Duplex Weld Neck Flange | Duplex Slip On Flange | Duplex Socket Weld Flange | Duplex Lap Joint Flange | Duplex Threaded Flange | Duplex Blind Flange | A182 F51 | A182 F60 | Duplex Flat Face Flange | Duplex Raised Face Flange | Duplex Tongue & Groove Flange | Duplex Ring Type Joint | Duplex Spectacle Flange | Duplex Orifice Flange | Duplex Long Neck Flange | Duplex Reducing Flange

Oshwin Overseas a leading manufacturer, exporter, and supplier of Duplex Steel 2205 Flange with ASTM A182 F51 & ASTM A182 F60. Oshwin Overseas offers a complete range of Duplex Stainless Steel Flange (A182 F51 / A182 F60 / DIN 2633 / DIN 2635) such as Blind Flange, Blind Flange Raised Face, Hub Blind Flange, Spectacle Blind Flange, Slip On Flange, Slip On Raised Face Flange, Slip On Flat Face Flange, Raised Face Slip On Flange, Lap Joint Flange, Flat Face Weld Neck Flange, Reducing Weld Neck Flange, Weld Neck Flange, Weld Neck Raised Flange, Threaded Flange, Socket Weld Flange, Socket Weld Raised Face Flange, Neck Weld Flange, Stainless Steel Threaded Flange, Raised Face Weld Neck Flange, Reducing Flange, Flat Face Flange, Flat Face Slip-On Flange, Flat Face Weld Neck Flange, Ring Joint Flange, Long Weld Neck Flange, Raised Face Flange, Orifice Flange, Spectacle FlangeOshwin Overseas are one of the leading 2205 Duplex Flange Manufacturer who can weld Duplex 2205 Flange in various sizes and dimensions. They have special quality finishing and duress for long life, high pressure and zero defects.

All Duplex 2205 Flanges (UNS S31803 / S32205) are offered with NACE 3.1 Certification, Mill Test Certificates, and ISO 17025 Standards by a Government of India approved Laboratory. Positive Material Identification is done on all raw material procured at Oshwin Overseas. Duplex Steel 2205 Flange (ASTM A182 / ANSI B16.5) can be manufactured and supplied in a variety of sizes and pressure ratings to meet project specific requirements of our customers.

Duplex Stainless Steel Flange are used in Petro-Chemical Industry, Oil and Gas Industry, Nuclear Industry, Pulp & Paper Industry, Research & Development, Mega Projects & Defense & Development Industries. Oshwin Overseas is a global supplier of Duplex Flange Suppliers in India, Duplex Flange Suppliers in UAE, Duplex Flange Suppliers in Abu Dhabi, Duplex Flange Suppliers in Dubai, Duplex Flange Suppliers in UK, Duplex Flange Suppliers in England, Duplex Flange Suppliers in London, Duplex Flange Suppliers in US, Duplex Flange Suppliers in California, Duplex Flange Suppliers in Texas, Duplex Flange Suppliers in New York, Duplex Flange Suppliers in Georgia, Duplex Flange Suppliers in New Jersey, Duplex Flange Suppliers in Australia, Duplex Flange Suppliers in Brazil, Duplex Flange Suppliers in Canada, Duplex Flange Suppliers in France, Duplex Flange Suppliers in Germany, Duplex Flange Suppliers in Greece, Duplex Flange Suppliers in Indonesia, Duplex Flange Suppliers in Italy, Duplex Flange Suppliers in Malaysia, Duplex Flange Suppliers in Netherland, Duplex Flange Suppliers in Philippines, Duplex Flange Suppliers in Russia, Duplex Flange Suppliers in Saudi Arabia, Duplex Flange Suppliers in Singapore, Duplex Flange Suppliers in South Africa, Duplex Flange Suppliers in South Korea, Duplex Flange Suppliers in Spain, Duplex Flange Suppliers in Sweden, Duplex Flange Suppliers in Thailand, Duplex Flange Suppliers in Ukraine.

Duplex 2205 Flange Specification :-

Specifications: ASTM A182, ASME SA182, F51, F60, ANSI B16.5, ANSI B16.47, ANSI B16.48 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings, ASME B16.5, ASME B16.47.

Dimensions: DIN (DIN 2633 / DIN 2635), ASTM, BS and all International Standards.

Size: ½” (15 NB) to 48″ (1200NB).

Grade: EN 1.4462, UNS S31803, UNS S32205.

Pressure Rating: Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.

Types: Blind Flange, Blind Flange Raised Face, Hub Blind Flange, Spectacle Blind Flange, Slip On Flange, Slip On Raised Face Flange, Slip On Flat Face Flange, Raised Face Slip On Flange, Lap Joint Flange, Flat Face Weld Neck Flange, Reducing Weld Neck Flange, Weld Neck Flange, Weld Neck Raised Flange, Threaded Flange, Socket Weld Flange, Socket Weld Raised Face Flange, Neck Weld Flange, Stainless Steel Threaded Flange, Raised Face Weld Neck Flange, Reducing Flange, Flat Face Flange, Flat Face Slip-On Flange, Flat Face Weld Neck Flange, Ring Joint Flange, Long Weld Neck Flange, Raised Face Flange, Orifice Flange, Spectacle Flange.

Our Duplex Stainless Steel (UNS S31803 / UNS S32205) Flanges conforms to NACE MR0175/ISO 15156.

Duplex Flanges · Duplex Stainless Steel 2205 Flange · Duplex Flanges Manufacturer · Duplex 2205 Flanges · 2205 Duplex Stainless Steel Flange · Duplex Stainless Steel Flanges · 2205 Duplex Flanges · Duplex Flange Supplier · Duplex Steel Flanges · Duplex Steel 2205 Flanges · ASTM A182 F51 · ASTM A182 F60 · Weld Neck Flange · Slip On Flange · Socket Weld Flange · Lap Joint Flange · Spectacle Flange · Threaded Flange · Orifice Flange · Blind Flange · Long Neck Flange · Flat Face Flange · Reducing Flange · Raised Face Flange.

Types of Duplex Steel 2205 Flange

Weld Neck Flange

Welding Neck Flanges or Weldneck Flange (WN Flange) are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting. The long tapered hub provides an important reinforcement for use in several applications involving high pressure, sub-zero and / or elevated temperatures. The smooth transition from flange thickness to pipe or fitting wall thickness effected by the taper is extremely beneficial, under conditions of repeated bending, caused by line expansion or other variable forces. 

slip-on-flange-Duplex-steel

Duplex 2205 Slip On Flange (SO Flange)

1. Slip On flange 2. Filled weld outside 3. Filled weld inside 4. Pipe

Socket Weld Flange

Socket Weld flanges were initially developed for use on small-size high-pressure piping. Their static strength is equal to Slip On flanges, but their fatigue strength 50% greater than double-welded Slip On flanges. The connection with the pipe is done with 1 fillet weld, at the outside of the flange. But before welding, some space must be created between flange or fitting and pipe. ASME B31.1 1998 127.3.

UNS S32205 / UNS S31803 lap joint flange

UNS S32205 / UNS S31803 Lap Joint Flange (LJ Flange)

1. Lap Joint flange 2. Stub End 3. Butt weld 4. Pipe or Fitting

Threaded Flange

Stainless Steel Threaded Flange are used for special circumstances with their main advantage being that they can be attached to the pipe without welding. Sometimes a seal weld is also used in conjunction with the threaded connection. Although still available in most sizes and pressure ratings, screwed fittings today are used almost exclusively in smaller pipe sizes. A threaded flange or fitting is not suitable for a pipe system with thin wall thickness, because cutting threads on a pipe is not possible.

2205 Duplex Blind Flanges

2205 Duplex Blind Flange (BL Flange)

Flat Face Flange

Flat Face Flange (FF Flange) has a gasket surface in the same plane as the bolting circle face. Applications using flat face flanges are frequently those in which the mating flange or flanged fitting is made from a casting. These pipe flanges are used when the counter-flanges are flat-face. They are mainly used for connecting to cast iron equipment, valves, and specialties. This flat face flange has a gasket surface in the same plane as the bolting circle face. Flat face flanges are never to be bolted to a raised face flange.

UNS S31803 Raised Face Flange

UNS S31803 Raised Face Flange (RF Flange)

Tongue And Groove Flange

The Tongue And Groove faces of these flanges must be matched. One flange face has a raised ring (Tongue) machined onto the flange face while the mating flange has a matching depression (Groove) machined into the face. Tongue And Groove facings are standardized in both large and small types. Tongue And Groove Flange differ from male-and-female in that the inside diameters of the tongue-and-groove do not extend into the flange base, thus retaining the gasket on its inner and outer diameter.

Duplex 2205 Ring Type Joint Flange

Duplex 2205 Ring Type Joint (RTJ) Flange

Spectacle Flanges

This is a pressure retaining plate with one solid end and one open end connected with a web or tie-bar. In normal operation, the open end forms the seal between two flanges and permits normal flow of fluid through pipe work. If the solid end is swung into position it effectively blanks of the pipe and halts the flow.

Duplex UNS S32205 Orifice Flanges

Duplex UNS S32205 Orifice Flanges

Long Neck Flanges

Owing to our rich industrial experience, we are offering a comprehensive range of Long Weld Neck Flanges. The professionals of our organization source these neck flanges from trusted vendors. These flanges are unique due to their simple connectivity with other pipes. Moreover, our products are extensively used in refining industries for linking purposes. Our esteemed patrons can avail these qualitative range of flanges from us at industry-leading prices.

Duplex Reducing Flange

Duplex Reducing Flange

Weld Neck Flange - Duplex 2205

Weld Neck Flange (WN Flange)

1. Weld Neck Flange 2. Butt Weld 3. Pipe or Fitting

Slip On Flange

The calculated strength from a Slip On flange (SO Flange) under internal pressure is of the order of two-thirds that of Welding Neck flanges, and their life under fatigue is about one-third that of the latter. The connection with the pipe is done with 2 fillet welds, as well at the outside as also at the inside of the flange. The X measure on the image, are approximately Wall thickness of pipe + 3 mm. This space is necessary, to do not damage the flange face, during the welding process.

Socket-weld-Flange-Duplex-2205

Duplex 2205 Socket Weld Flange (SW Flange)

1. Socket Weld flange 2. Filled weld 3. Pipe X = Expansion gap

Lap Joint Flange

Lap Joint Flanges (LJ Flanges) have all the same common dimensions as any other flange named on this page however it does not have a raised face, they used in conjunction with a “Lap Joint Stub End”. These flanges are nearly identical to a Slip On flange with the exception of a radius at the intersection of the flange face and the bore to accommodate the flanged portion of the Stub End.

Duplex Steel 2205 Threaded Flange

Duplex Steel 2205 Threaded Flange

1. Threaded flange 2. Thread 3. Pipe or Fitting

Blind Flange

Blind Flanges are manufactured without a bore and used to blank off the ends of piping, Valves and pressure vessel openings. From the standpoint of internal pressure and bolt loading, blind flanges, particularly in the larger sizes, are the most highly stressed flange types.

UNS S32205 Flat Face Flange

UNS S32205 Flat Face Flange (FF Flange)

Raised Face Flange

These pipe flanges are the most commonly used flanges. The raised face thickness for 150# and 300# are included in the specified flange thickness and for higher rating they are not included in the flange thickness. The Raised Face (RF) type is the most applied flange and is easy to identify. It is referred to as a raised face because the gasket surfaces are raised above the bolting circle face.

Duplex Stainless Steel Tongue And Groove Flange

Duplex Stainless Steel Tongue And Groove Flange

Ring Type Joint Flange

These pipe flanges are much reliable type of flange joint but are costlier than the other type of flanges. The Ring Type Joint flanges are generally used in high pressure (Class 600 and higher rating) and/or high-temperature services above 800°F (427°C). A flange is a forged or cast ring of steel designed to connect sections of pipe or join pipe to a pressure Vessel, pump or any other integral flanges assembly.

Duplex SS 2205 Spectacle Flanges

Duplex SS 2205 Spectacle Flanges

Orifice Flanges

An orifice plate is clamped between a pair of flanges when installed in a line and the whole assembly is refer to as an orifice flange union. Jack-screws within the assembly to facilitate removal of the orifice plate. The orifice plate, the metering device, consists of a thin plate with a concentric, square edge, circular hole in the center. Two pressure tap-holes are drilled in each flange to measure pressure difference through the orifice. Orifice flanges are used in place of standard flanges to allow an orifice meter to be installed on the flange. Orifice plate carriers are designed into the flanges for fitting meter connections.

Stainless Steel Duplex Long Neck Flanges

Stainless Steel Duplex Long Neck Flanges

Reducing Flange

Reducing Flanges are used in place of standard flanges to allow for a change in pipe size. The flange consists of one specified diameter with a smaller diameter bore size. Except for the bore and hub dimensions, a reducing flange has dimensions of the larger pipe size. Welding neck, slip-on, and threaded flanges can be reducers, and are considered an economical means to make a pipe size transition. Reducing Slip On Flange, Reducing Weld Neck Flange.

GradeTypeUnified Numbering System (UNS)Forgings GradesWerkstoff-nr.EuronormAFNORDIN Standards
No.Name
2205Standard DuplexS31803 / S32205F51 / F601.4462en 1.4462X2CrNiMoN22-5-3Z2.CND22.05.03din 1.4462
PipeTubeSheet PlateBarFlanges, Fittings, Valves
Seamless PipeWelded PipeSeamless TubeWelded Tube---
ASTM A790ASTM A790ASTM A789ASTM A789ASTM A240ASTM A276ASTM A182/ ASTM A403/ ASTM A815/ ASTM 473
Duplex Steel 2205 Flanges · 2205 Duplex Flange · Duplex Flange Supplier · ASTM A182 F51 · ASTM A182 F60
Oshwin Overseas is one of the prominent Manufacturer, Supplier, and Exporter of 2205 Duplex Stainless Steel Flange with ASTM A790 and UNS S31803 / UNS S32205. An ISO 9001:2008 Certified Company, Oshwin Overseas is a leading Duplex Flange Supplier and a well known Duplex Flange Manufacturer. Oshwin Overseas offers high quality Duplex Flange in various forms and sizes. Oshwin Overseas deals in all forms of Duplex Flange. Oshwin Overseas supplies Duplex Flange in all countries across the globe, as ware house to near to the airport and port for fast delivery. Oshwin Overseas deals in Duplex Flange at competitive price. A rejection rate of less than one percent has consolidated the claim. The primary reason for this is the priority that we give to complete satisfaction of the customer. We supply and manufacture all forms of Duplex 2205 Flange and export it globally. Flanges manufactured by us are of high qualtity duplex material and conform to international standards and specifications.
Brand: Oshwin Overseas
Manufacturer: Ulma- Spain, Metalfar- Italy, Mellesi - Italy, Oshwin Overseas - India, Massoti - Italy. Siddhagiri Metals and Tubes - India
Model: F51, F60, ASTM A182, swrf, ljrf, wnrf, blrf, sorf flanges
Product ID: OSH - 2205FL
Characteristics of Duplex 2205 Flange
  • High Resistance to uniform corrosion.
  • High Resistance to pitting & crevice corrosion.
  • High Resistance to stress corrosion cracking & corrosion fatigue
  • High mechanical strength
  • High Resistance to abrasion & erosion
  • High Resistance to Fatigue
  • High energy absorption
  • Low thermal expansion
  • Good weld ability with care in thick sections
  • Useful up to 600°F
Applications of 2205 Duplex Flange
  • Chemical Processing Industry – Transport and Storage, pressure vessels, tanks, piping, and heat exchangers.
  • Oil and Gas exploration and processing equipment – piping, tubing, and heat exchangers
  • Marine Industry and Seawater systems – Cargo Tanks for Ships, High chloride environments,
  • FGD / Effluent Scrubber Systems.
  • Paper and Pulp Industry Digesters, Bleaching equipment and Stock-Handling Systems, Chip Pre-steaming vessels.
  • Food Processing Equipment.
  • Flue gas desulfurization / cleaning equipment
  • Rotors, fans, shafts, and press rolls requiring combined strength and corrosion resistance
  • Biofuels Plant, Desalination plants
  • Firewalls and blast walls on offshore platforms
ElementsCarbon (C)Chromium (Cr)Manganese (Mn)Molybdenum (Mo)Nickel (Ni)Nitrogen (N)Phosphorus (P)Silicon (Si)Sulphur (S)Iron / Ferrum (Fe)
UNS S322050.03 max21.0-23.02.002.50-3.504.50-6.500.08-0.200.031.00.02Balance
UNS S318030.03 max22.0-23.02.003.00-3.504.50-6.500.14-0.200.031.00.02Balance
Tensile Strength (Mpa) minYield Strength 0.2% Proof (Mpa) minElongation % (% in 50mm) Hardness (Brinell)Hardness Rockwell C
62144825 min293 max31 max
Density (Kg.m-1)7810
Magnetic Permeability<50
Young’s Modulus (N/mm2)190 x 10^3
Specific Heat, 20°C (J.Kg-1.°K-1)400
Specific Electrical Resistance, 20°C (µO.m)0.85
Thermal conductivity, 20°C15
Mean coefficient of thermal expansion11 x 10^-6

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Documents

  • Commercial Invoice including HS Code
  • Packing List including number of boxes, net weight, gross weight, Marks & Numbers
  • Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
  • Material Test Certificates as per EN 10204 3.1, EN 10204 3.2
  • Test Certificates certifying NACE MR0103, NACE MR0175

Testings

  • Positive Material Identification – PMI Testing
  • Chemical Analysis – Spectro Analysis
  • Mechanical Testing Such as Tensile, Elongation, Reduction of Area
  • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177

Packaging

The different ways in which our products are packed are:

  • Shrink-wrapped
  • Wooden Boxes
  • Wooden Pallets
  • Wooden Crates
  • Carton boxes

Marking

We mark Duplex 2205 as needed with the most suitable & visible marking techniques. Standard Marking System :-

  • Manufacturer’s Name or Trademark
  • Material Designation
  • Size Designation
  • Rating Designation
  • Melt Designation
  • Marking for Identification

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