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ASTM A240 UNS S31803 Plate | Duplex Stainless Steel S31803 Plates

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Duplex Steel S31803 Plate ASTM A240 Super Duplex UNS S31803 Sheets Stockist

Duplex Steel S31803 Plates are high-strength stainless steel plates offering an excellent combination of corrosion resistance, durability, and mechanical strength. Also known as UNS S31803 Plate, 2205 Duplex Stainless Steel Plate, and EN 1.4462 Stainless Steel Plate, they are widely used in offshore, chemical processing, marine, oil & gas, and pressure vessel applications.

Detailed Information

Duplex SS S31803 Plates | EN 1.4462 & Werkstoff Nr 1.4462 Plate

Duplex Steel S31803 Plates combine the advantages of austenitic and ferritic stainless steels, providing superior corrosion resistance with nearly double the yield strength of conventional stainless steel grades. These plates are engineered for demanding industrial environments where excellent resistance to chloride stress corrosion cracking, pitting, and crevice corrosion is essential.

We supply premium-quality UNS S31803 Plate manufactured according to international standards, making them suitable for fabrication, pressure vessels, heat exchangers, desalination plants, offshore platforms, and chemical processing equipment.

Our inventory includes Duplex Stainless Steel S31803 Plates, 2205 Duplex Stainless Steel Plate, Werkstoff Nr 1.4462 Plate, EN 1.4462 Stainless Steel Plate, and DIN 1.4462 Duplex Stainless Sheet in multiple thicknesses and finishes to meet diverse industrial requirements.

As an experienced UNS S31803 Plate Manufacturer and UNS S31803 Plate Stockist, we provide reliable material with complete mill test certificates and worldwide shipping.

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New York City, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, San Jose, Austin, Jacksonville, Fort Worth, Columbus, Charlotte, San Francisco, Indianapolis, Seattle, Denver, Washington, Boston, El Paso, Nashville, Detroit, Oklahoma City, Portland, Las Vegas, Memphis, Louisville, Baltimore, Milwaukee, Albuquerque, Tucson, Fresno, Mesa, Sacramento, Atlanta, Kansas City, Colorado Springs, Omaha, Raleigh, Miami, Long Beach, Virginia Beach, Oakland, Minneapolis, Tulsa, Tampa, Arlington, New Orleans, Wichita, Bakersfield, Cleveland, Aurora, Anaheim, Honolulu, Santa Ana, Riverside, Corpus Christi, Lexington, Henderson, Stockton, Saint Paul, Cincinnati, St. Louis, Pittsburgh, Greensboro, Lincoln, Anchorage, Plano, Orlando, Irvine, Newark, Durham, Chula Vista, Toledo, Fort Wayne, St. Petersburg, Laredo, Jersey City, Chandler, Madison, Lubbock, Scottsdale, Reno, Buffalo, Gilbert, Glendale, North Las Vegas, Winston-Salem, Chesapeake, Norfolk, Fremont, Garland, Irving, Hialeah, Richmond, Boise, Spokane, Baton Rouge, Tacoma, San Bernardino, Modesto, Fontana, Des Moines, Moreno Valley, Santa Clarita, Fayetteville, Birmingham, Oxnard, Rochester, Port St. Lucie, Grand Rapids, Huntsville, Salt Lake City, Frisco, Yonkers, Amarillo, Glendale, Huntington Beach, McKinney, Montgomery, Augusta, Aurora, Akron, Little Rock, Tempe, Columbus, Overland Park, Grand Prairie, Tallahassee, Cape Coral, Mobile, Knoxville, Shreveport, Worcester, Ontario, Vancouver, Sioux Falls, Chattanooga, Brownsville, Fort Lauderdale, Providence, Newport News, Rancho Cucamonga, Santa Rosa, Peoria, Oceanside, Elk Grove, Salem, Pembroke Pines, Eugene, Garden Grove, Cary, Fort Collins, Corona, Springfield, Jackson, Alexandria, Hayward, Clarksville, Lakewood, Lancaster, Salinas, Palmdale, Hollywood, Springfield, Macon, Kansas City, Sunnyvale, Pomona, Killeen, Escondido, Pasadena, Naperville, Bellevue, Joliet, Murfreesboro, Midland, Rockford, Paterson, Savannah, Bridgeport, Torrance, McAllen, Syracuse, Surprise, Denton, Roseville, Thornton, Miramar, Pasadena, Mesquite, Olathe, Dayton, Carrollton, Waco, Orange, Fullerton, Charleston, West Valley City, Visalia, Hampton, Gainesville, Warren, Coral Springs, Cedar Rapids, Round Rock, Sterling Heights, Kent, Columbia, Santa Clara, New Haven, Stamford, Concord, Elizabeth, Athens, Thousand Oaks, Lafayette, Simi Valley, Topeka, Norman, Fargo, Wilmington, Abilene, Odessa, Columbia, Pearland, Victorville, Hartford, Vallejo, Allentown, Berkeley, Richardson, Arvada, Ann Arbor, Rochester, Cambridge, Sugar Land, Lansing, Evansville, College Station, Fairfield, Clearwater, Beaumont, Independence, Provo, West Jordan, Murrieta, Palm Bay, El Monte, Carlsbad, North Charleston, Temecula, Clovis, Springfield, Meridian, Westminster, Costa Mesa, High Point, Manchester, Pueblo, Lakeland, Pompano Beach, West Palm Beach, Antioch, Everett, Downey, Lowell, Centennial, Elgin, Richmond, Peoria, Broken Arrow, Miami Gardens, Billings, Jurupa Valley, Sandy Springs, Gresham, Lewisville, Hillsboro, Ventura, Greeley, Inglewood, Waterbury, League City, Santa Maria, Tyler, Davie, Lakewood, Daly City, Boulder, Allen, West Covina, Sparks, Wichita Falls, Green Bay, San Mateo, Norwalk, Rialto, Las Cruces, Chico, El Cajon, Burbank, South Bend, Renton, Vista, Davenport, Edinburg, Tuscaloosa, Carmel, Spokane Valley, San Angelo, Vacaville, Clinton, Bend, Woodbridge.

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Specifications of Duplex Steel UNS S31803 Sheet

Specification

Details

Product

Duplex Steel S31803 Plates

Grade

UNS S31803

Material Standard

ASTM A240 / ASME SA240

European Grade

EN 1.4462

Werkstoff No.

1.4462

DIN Grade

DIN 1.4462

Form

Plate, Sheet, Coil, Flat

Thickness

3 mm to 100 mm

Width

1000 mm to 2500 mm

Length

Up to 6000 mm

Finish

HR, CR, Pickled, Polished

Certification

EN 10204 3.1, MTC

Chemical Composition of Duplex Steel S31803 Sheet & Plate

Grade C Mn Si P S Cr Mo Ni N Fe
Duplex Steel S31803 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 22 – 23 3 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min

Mechanical Properties of Duplex Steel S31803 Sheet & Plate

Density

Melting Point (°C)

Tensile Strength

Yield Strength (0.2%Offset)

Elongation

7.8 g/cm 3

1350 °C (2460 °F)

Psi – 80000 , MPa – 550

Psi – 116000 , MPa – 800

15 %

Duplex Steel UNS S31803 Sheets, Plates Equivalent Grades

STANDARD

UNS

WERKSTOFF NR.

Duplex 2205

S31803

1.4462

ASTM A240 Type 2205 Plate melting range

ASTM A240 Type 2205 Plate melting range

2525-2630°F

 

Specific Heat Capacity at 212°F

0.119 Btu/lb/°F

Thermal Conductivity at 212°F

8.4 Btu/hr-ft-°F

Poisson’s Ratio

0.3

Elastic Modulus at 72°F

29 x 10 psi

UNS S31803 duplex 2205 Plate density

UNS S31803 duplex 2205 Plate density
0.278 lb/in3   

Duplex Steel S31803 Sheet & Plate We Manufacturer, Stock & Supply

Duplex Steel UNS S31803 Sheets

ASTM A240 Duplex UNS S31803 Plates

UNS S31803 Duplex Steel Shim Sheets

Duplex Steel UNS S31803 Coil

Duplex Steel UNS S31803 Chequered Plate

Duplex Steel DIN 1.4462 Perforated Sheets

UNS S31803 Cold Rolled Sheets

Duplex Steel UNS S31803 Hot Rolled Plates Suppliers

Duplex Steel UNS S31803 Cold Drawn Plates Exporter

Size chart of Duplex 2205 Plate

Stocked Sizes

Size (in inches)

Size (in mm)

.125″

3.18mm

.134″

3.40mm

.156″

3.96mm

.187″

4.75mm

.250″

6.35mm

.312″

7.92mm

.375″

9.53mm

.500″

12.7mm

.625″

15.9mm

.750″

19.1mm

.875″

22.2mm

1″

25.4mm

1.125″

28.6mm

1.250″

31.8mm

1.500″

38.1mm

1.750″

44.5mm

2″

50.8mm

2.500″

63.5mm

3″

76.2mm

Applications of Duplex Steel S31803 Plates

Because of their outstanding corrosion resistance and high strength, 2205 Duplex Stainless Steel Plate is widely used across numerous industries.

Common applications include:

  • Offshore oil and gas platforms
  • Petrochemical plants
  • Chemical processing equipment
  • Pressure vessels
  • Heat exchangers
  • Marine structures
  • Desalination plants
  • Water treatment systems
  • Pulp and paper industries
  • LNG projects
  • Fertilizer plants
  • Power generation
  • Structural fabrication
  • Storage tanks
  • Process piping systems

Why Choose Us for Duplex Steel S31803 Plates?

We are committed to supplying premium-quality Duplex Stainless Steel S31803 Plates that meet international quality standards and customer expectations.

Our advantages include:

  • Extensive stock availability
  • Competitive pricing
  • Fast worldwide delivery
  • Third-party inspection support
  • Mill Test Certificates (MTC)
  • Custom cutting services
  • Experienced technical assistance
  • Export-quality packaging
  • Reliable after-sales support

Every ASME SA240 S31803 Duplex Plate undergoes strict quality inspection before dispatch to ensure consistent performance in demanding industrial applications.

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