Duplex Steel S31803 is a popular choice for flanges thanks to its excellent resistance to corrosion, high strength, and low cost. These flanges are commonly used in various industries, including oil and gas, chemical, and petrochemical.

Duplex steel S31803 flanges are available in different types: weld-neck, slip-on, blind, lap-joint, and threaded. Each type has its unique features and benefits. Weld-neck flanges are used in high-pressure applications, while slip-on flanges are preferred for low-pressure applications. Blind flanges are commonly used to seal off pipes, and lap-joint flanges are ideal for connecting pipes with different diameters. Threaded flanges, on the other hand, are easy to install and remove and are commonly used for small pipe sizes.

Duplex Steel S31803 Weld Neck Flanges, Duplex S31803 Raised Face Weld Neck Flanges, Duplex Steel S31803 Blind Flanges, Duplex Steel S31803 Orifice Flanges, Duplex Steel S31803 Spade Flanges, Duplex Stainless Steel S31803 Socket weld Flanges Manufacturers in India.

Duplex steel S31803 flanges are widely used in various applications, including chemical processing, oil and gas production, petrochemicals, and pharmaceuticals. Due to their excellent corrosion resistance, these flanges are also used in seawater and desalination applications. In addition, duplex steel S31803 flanges are resistant to stress corrosion cracking, making them ideal for high-stress applications.

Duplex Steel S31803 Threaded Flanges, Duplex Steel S31803 Long weld Neck Flanges, Duplex Steel S31803 RTJ Flanges, Duplex Steel S31803 Reducing Flanges, Duplex Steel S31803 Spectacle Blind Flanges, Duplex Steel S31803 Forged Flanges Manufacturers in India.

Duplex steel S31803 flanges are used in several ways, primarily for piping and plumbing applications. These flanges connect pipes, valves, and equipment to metal piping systems. They also adapt existing piping systems to new configurations and support large piping systems. Duplex steel S31803 flanges are also used for tank and pressure vessel connections, where high-pressure and high-temperature applications are present.

The benefits of duplex steel S31803 flanges include excellent corrosion resistance, high strength, and low cost. These flanges are also highly resistant to stress corrosion cracking, providing greater durability and reliability in high-stress applications. In addition, their low thermal expansion coefficient allows for more precise piping designs, minimizing the need for costly thermal compensators. The unique twinning structure of duplex steel S31803 also provides excellent mechanical properties, making these flanges ideal for demanding applications.

Duplex steel S31803 flanges are popular in many industries today thanks to their excellent properties, including resistance to corrosion, stress corrosion cracking, and high strength. They come in various types and sizes to suit different applications and piping systems.

Duplex Steel S31803 Flanges
Duplex Steel S31803 Weld Neck Flages
Duplex Steel S31803 Plate Flange

Duplex Steel S31803 Flanges Specification

Standard ASTM A182 / ASME SA182
Dimensions ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Flange Size Chart 1/2" (15 NB) to 48" (1200NB), DN10~DN5000
Pressure Rating Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS 16 K, 5K, 10 K, 20 K, 30 K, 40 K, 63 K
Flange Connection / Flange Face Type Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove, Flange Pipe.
Origin West Europe / Japan / Indian / USA / Korean
Types of Flanges Threaded / Screwed / Forged / Plate
Coating Yellow Transparent, Zinc Plated, Anti-rust Paint, Oil Black Paint, Cold and Hot Dip Galvanized
Test Of Flange Direct-reading Spectrograph, Ultrasonic flaw detector, Magnetic particle detector, X-ray detector, Hydrostatic testing machine.
Production technique Used Heat treated, Forged and Machined
Equipment Press machine, Bending machine, Pushing Machine, Sand-blasting machine, electric bevelling machine etc.
Test Certificates EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc

Duplex Steel S31803 Flange Price List

Price List of Duplex Steel S31803 Flanges DSS S31803 Flange Price in India (INR) Duplex Steel S31803 Flanges Price in USD DSS S31803 Flanges Price in UAE (Dirham)
Duplex Steel S31803 Threaded Flanges Price ₹ 1168 $ 12.62 USD 52.50 AED
DSS S31803 Flange Price List India ₹ 1684 $ 37.50 USD 142.00 AED
Duplex Stainless Steel S31803 Flanges Price List ₹ 1354 $ 27.60 USD 82.50 AED
DSS S31803 Flange Price ₹ 1654 $ 13.59 USD 66.52 AED
Duplex Stainless Steel S31803 Raised Face Blind Flange ₹ 1897 $ 15.53 USD 46.17 AED
Price of Duplex Steel S31803 Flanges ₹ 1570 $ 25.78 USD 72.50 AED
Duplex Stainless Steel S31803 Flanges Price ₹ 950 $ 13.24 USD 34.50 AED
DSS S31803 Flange Price Per Kg ₹ 970 $ 14.69 USD 55.72 AED

Duplex Steel S31803 Flanges Technical Data Sheet

Duplex Steel S31803 Pipe Flanges Equivalent Grade

STANDARD WERKSTOFF NR. UNS
Duplex Steel 1.4462 S31803

Duplex Stainless Steel S31803 Flanges Manufacturing Process

manufacturing process

Common Types Of Duplex Steel S31803 Flanges

Weld Neck Flange

DSS S31803 Weld Neck Flanges

Blind Flanges

Duplex Steel S31803 Blind Flanges

Socket weld Flanges

UNS S31803 Socket Weld Flanges

Slip on Flanges

DSS S31803 Slip-on Flanges

RTJ Flange

Duplex Steel S31803 RTJ Flange

Forged Flanges

DSS S31803 Forged Flanges

Lap Joint Flanges

DSS S31803 Lap Joint Flanges

Threaded Flange

DSS S31803 Threaded Flanges

Spectacle Blind Flange

Duplex Steel S31803 Spectacle Blind Flange

Other Type Duplex Stainless Steel S31803 Flanges

  • DSS S31803 Threaded Flanges
  • DSS S31803 Flat Flange
  • Duplex Steel S31803 Weld Neck Flanges
  • UNS S31803 Flanges
  • Duplex Steel S31803 Socket Weld Flanges
  • UNS S31803 Long Weld Neck Flanges
  • Duplex Steel S31803 Lap Joint Flanges
  • Duplex Steel S31803 Flat Face Flange
  • Duplex S31803 Square Flanges
  • Duplex Steel S31803 Socket weld Flanges
  • DSS S31803 Reducing Flanges
  • Duplex Steel S31803 Flanges Suppliers in India
  • DSS S31803 Flanges Manufacturer in Mumbai
  • DSS S31803 Flanges Manufacturers in India
  • ASTM A182 DSS S31803 Plate Flange
  • DSS S31803 Flange Dimensions
  • DSS S31803 Forged Flanges
  • Duplex Stainless Steel 1.4462 Raised Face Flanges
  • Duplex Steel S31803 Square Flanges
  • A182 UNS S31803 Blind Flanges
  • Duplex Steel S31803 Flanges Suppliers in Mumbai
  • ANSI B16.5 DSS S31803 Pipe Flanges
  • DSS S31803 Ring Type Joint Flanges
  • Duplex Stainless Steel 1.4449 Plate Flanges
  • DSS S31803 Flange Suppliers in India
  • Duplex Stainless Steel S31803 Industrial Flanges
  • UNS S31803 Plate Flanges
  • DSS S31803 Orifice Flanges
  • Duplex Steel S31803 Flanges Manufacturers in India
  • 1.4462 Pipe Flanges
  • Duplex Steel S31803 BS 4504 Flanges
  • DSS S31803 Lapped Joint Flanges
  • DSS S31803 Slip on Flanges
  • DSS S31803 Flanges Suppliers in Mumbai
  • Duplex Steel S31803 Reducing Flanges
  • DSS S31803 Pipe Flanges
  • Duplex Steel S31803 Orifice Flanges
  • ASME SA182 Duplex Stainless Steel S31803 Pipe Flange

DSS S31803 Flanges Chemical Composition

Grade C Mn Si P S Cr Mo Ni N Fe
S31803 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 22.0 – 23.0 3.0 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min

DSS S31803 Flange Mechanical Properties

Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S31803 7.805 0.285 1420 – 1465 2588 – 2669

Duplex Steel S31803 Flanges Industrial Application