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Duplex Stainless Steel · 1.4462 · UNS S31803 · UNS S32205 · SAF 2205 · 2205 Duplex · 2205 Stainless Steel · Alloy 2205 · Duplex Steel · Duplex 2205 · Grade 2205 Duplex · Duplex Alloys

Duplex 2205 Applications

Duplex 2205 | Duplex Material | 2205 Duplex Stainless Steel | SS 2205 | Duplex 2205 Stainless Steel | Duplex SS 2205 | Duplex SS | 2205 Steel | Duplex Steel 2205 | Duplex Stainless Steel 2205 | 22cr Duplex | 2205 Duplex | Alloy 2205 Duplex Stainless Steel

Grade 2205 | Duplex Alloys | Alloy 2205 Stainless Steel | Alloy 2205 Duplex SS Supplier | 2205 stainless | Stainless Steel Duplex 2205 | 2205 Duplex | 1.4462 Stainless Steel | S32205 | S31803 | 2205 Stainless Steel Duplex | DSS | Duplex SS | Stainless Steel 2205 Duplex | 2205 Stainless

What Is Duplex Stainless Steel ?

2205 Duplex Stainless Steel (EN 1.4462) also known as Duplex 2205 Stainless Steel, URANUS 45N, FALC223 with UNS S31803 and UNS S32205 is a two-phase corroded metal, ferritic and austenitic steel with 22% chromium (22Cr Duplex) 3% molybdenum, 5 to 6% nickel alloyed stainless steel also known as x2crnimon22-5-3 used extensively in applications that require good corrosion resistance & strength. 2205 Duplex (UNS S31803 / UNS S32205) also known as 1.4462 Duplex is a non-standard and popular grade of Stainless Steel. Thus, Duplex Stainless Steel 2205 must be procured only from trusted vendors like Oshwin Overseas. Duplex Stainless Steel also known as Sandvik SAF 2205 / SAF 2205 is a Sandvik-owned trademark. FALC 223 is a trademark of KRUPP STAHL AKTIENGESELLSCHAFT.

Duplex Stainless Steel Composition

2205 is a typical composition of 22% Chromium and 5% Nickel. 2205 Duplex Stainless Steel is a cheaper alternative to high nickel based alloys due to low nickel composition.

Duplex Stainless Steel Grades

Grade Other Name EN / WNR UNS Duplex Type
2205 Duplex 2205 1.4462 UNS S31803 Standard Duplex
UNS S32205
2507 Super Duplex 2507 1.4410 UNS S32750 Super Duplex
Zeron Zeron 100 / Super Duplex 1.4501 UNS S32760 Super Duplex

Duplex Stainless Steel (1.4462) corrosion resistance is superior to Grade 316 in most environments. Heat treatment of Duplex SS 2205 is solution treatment (annealing), between 1020 – 1100°C, followed by rapid cooling. 2205 Duplex Stainless Steel (2205 Duplex) cannot be hardened by heat treatment. They can however be work hardened. The Duplex SS (Duplex 2205) stainless steel has undergone a number of modifications resulting in S32205 (Duplex 2205). 2205 Stainless Steel (Duplex Stainless Steel) offer higher resistance to corrosion. Duplex Steel (2205 Duplex) cannot be hardened by thermal methods. Density of Duplex SS is 7.805 g/cm³. Duplex Stainless Steel (2205 Duplex) Hardness is Max 31 HRC.

Duplex Stainless Steel Microstructure

The Microstructure of Duplex 2205 Stainless Steel (1.4462) shall be examined after solution heat treatment at a minimum of 400X magnification, and verified to be free from grain boundary particles (carbides, nitrides) and intermetallic phases (sigma, chi and laves), as defined by ASTM A923 Method A. A photomicrograph (x400) can be provided if requested. Machining Duplex Stainless Steel is low due to its high strength. The cutting speeds are almost 20% lower than that of grade 304. PREN number for 22 Cr Duplex Stainless Steel is between 35-40.

Duplex Stainless Steel Welding

Duplex 2205 stainless steel have good weldability. Duplex Stainless Steel Welding Procedure includes all standard welding processes like Shielded metal arc welding (SMAW), Gas tungsten arc welding TIG (GTAW), Gas metal arc welding MIG (GMAW), Flux-cored arc welding (FCW), Plasma arc welding (PAW), Submerged arc welding (SAW), Laser welding, Resistance welding, High-frequence welding, etc. Duplex 2205 is very hard and difficult to manufacture.

Oshwin Overseas is one of the leading Alloy 2205 Duplex SS Supplier, and Manufacturer of Duplex Stainless Steel Grades to various heavy executive industries in India and Abroad. Oshwin Overseas have grown efficiently in the field of Industrial Supplies offering a wide array of 2205 Stainless Steel in forms like Duplex 2205 Pipes (ASTM A790),Duplex 2205 Tubes (ASTM A789), Duplex 2205 Flanges (ASTM A182 F51 / ASTM A182 F60), 2205 Duplex Fasteners, Duplex 2205 Pipe Fittings (ASTM A403 / ASTM A815), Duplex 2205 Tube Fittings, Duplex 2205 Forged Fittings (ASTM A182 / ASTM A473), 2205 Steel Sheet / Plate (ASTM A240), Duplex SS Wire Mesh and 2205 Steel Round Bar (ASTM A276 / ASTM A479).

Oshwin Overseas is a global supplier of Duplex 2205 Supplier in India, Duplex 2205 Supplier in UAE, Duplex 2205 Supplier in Abu Dhabi, Duplex 2205 Supplier in Dubai, Duplex 2205 Supplier in UK, Duplex 2205 Supplier in England, Duplex 2205 Supplier in London, Duplex 2205 Supplier in US, Duplex 2205 Supplier in California, Duplex 2205 Supplier in Texas, Duplex 2205 Supplier in New York, Duplex 2205 Supplier in Georgia, Duplex 2205 Supplier in New Jersey, Duplex 2205 Supplier in Australia, Duplex 2205 Supplier in Brazil, Duplex 2205 Supplier in Canada, Duplex 2205 Supplier in France, Duplex 2205 Supplier in Germany, Duplex 2205 Supplier in Greece, Duplex 2205 Supplier in Indonesia, Duplex 2205 Supplier in Italy, Duplex 2205 Supplier in Malaysia, Duplex 2205 Supplier in Netherland, Duplex 2205 Supplier in Philippines, Duplex 2205 Supplier in Russia, Duplex 2205 Supplier in Saudi Arabia, Duplex 2205 Supplier in Singapore, Duplex 2205 Supplier in South Africa, Duplex 2205 Supplier in South Korea, Duplex 2205 Supplier in Spain, Duplex 2205 Supplier in Sweden, Duplex 2205 Supplier in Thailand, Duplex 2205 Supplier in Ukraine.

Duplex 2205 Stainless Steel Forms

Duplex Pipe

Duplex Tube

Duplex Bar

Duplex Steel Flanges

  • Duplex 2205 Blind Flange
  • 2205 Duplex Slip On Flange
  • Duplex 2205 Lap Joint Flange
  • 2205 Duplex Weld Neck Flange
  • Duplex 2205 Threaded Flange
  • 2205 Duplex Socket Weld Flange

Duplex 2205 Wire Mesh

Duplex Sheet Plate

Duplex Steel Fasteners

  • 2205 Duplex Bolts
  • Duplex 2205 Screw
  • 2205 Duplex Nuts
  • Duplex 2205 Washer

Duplex Pipe Fittings / Buttweld Fittings

  • Duplex 2205 Elbow
  • 2205 Duplex Tee
  • Duplex 2205 Reducer
  • 2205 Duplex Couplings
  • Duplex 2205 Stub Ends
  • 2205 Duplex Cross
  • Duplex 2205 Pipe Bends
  • 2205 Duplex Pipe Nipples

Duplex 2205 Tube Fittings / Hydraulic Fittings / Compression Fittings

  • Duplex 2205 Union
  • 2205 Duplex Connector
  • Duplex 2205 Elbow
  • 2205 Duplex Tee
  • Duplex 2205 Adapter
  • 2205 Duplex End Reducer
  • Duplex 2205 Plug
  • 2205 Duplex Cap
  • Duplex 2205 Nut
  • 2205 Duplex Ferrule

Duplex 2205 Forged Fittings

  • 2205 Duplex Socket Weld Fittings
  • Duplex 2205 Threaded Fittings
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 2205 Pipes

Duplex Stainless Steel Pipes

Seamless Pipe, ERW Pipe (Welded Pipe)

 

 

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Duplex 2205 Tubes

Duplex Stainless Steel Tubes

Seamless Tube, ERW Tube (Welded Tubes)

 

 

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Duplex 2205 Flange

Duplex Stainless Steel Flange

Blind Flange, Slip On Flange, Weld Neck Flange, Threaded Flange and Socket Weld Flange

 

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Duplex 2205 Fastener

Duplex Stainless Steel Fastener

Bolts, Screw, Nuts and Washer

 

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Duplex 2205 Pipe Fittings

Duplex Stainless Steel Pipe Fittings

Elbow, Tee, Reducer, Couplings, Stub Ends, End Caps, Cross, Pipe Bends and Pipe Nipples

 

 

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Duplex 2205 Tube Fittings

Duplex Stainless Steel Tube Fittings

Union, Connector, Elbow, Tee, Adapter, Tube End Reducer, Plug, Cap, Tube Nut and Ferrule.

 

 

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Duplex 2205 Forged Fittings

Duplex Stainless Steel Forged Fittings

Socket Weld Fittings & Threaded Fittings

 

 

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Duplex 2205 Bar

Duplex Stainless Steel Bar

Square Bar, Hex Bar (Hexagon Bar), Flat Bar, Round Bar, Steel Rod, Threaded Bar, Hollow Bar, Bright Bar, Spring Steel Bar, Cold Drawn Bar.

 

 

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Duplex 2205 Wire Mesh

Duplex Stainless Steel Wire Mesh

Wire and Wire Mesh

 

 

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Duplex Stainless Steel Properties
  • Grade 2205 Duplex  is Highly Resistant to uniform corrosion, pitting & crevice corrosion, stress corrosion cracking & corrosion fatigue, abrasion & erosion.
  • High mechanical strength.
  • High energy absorption
  • Low thermal expansion
  • Good weld ability with care in thick sections
  • Grade 2205 Duplex is useful up to 600°F

 

Duplex Stainless Steel Applications
  • 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

Summary
Review Date
Reviewed Item
Duplex Stainless Steel (UNS S31803 / UNS S32205)
Author Rating
5