Duplex Steel Pipes & Tubes

Leading Manufacturers of ASTM A790 Duplex Seamless Pipes, Ferritic / Austenitic Duplex Steel 2205 Seamless Tubing, Duplex Steel UNS S31803 Welded Pipes Suppliers, 2205 Duplex Steel Rectangular Welded Pipes, Duplex S32205 ERW Pipes Exporter, Duplex Welded Pipes, 2205 Duplex Steel EFW Tubing in Mumbai, India.

Duplex Steel S31803 / S32205 Pipes & Tubes

Neo Impex Stainless Pvt. Ltd. has a unique product portfolio that is engineered as a durable piping component, which is a sustainable alternative with premium quality, contributing to a businesses growth. We offer our two cents on product selection too, guiding you through the plethora of resources and choosing the best for you. With us, you can be guaranteed for the finest customer experience. We are a manufacturer, supplier and exporter of Duplex Steel Pipes that are compliant to ASTM A789/790, a specification that covers pipes with a nominal wall thickness that are recommended to use in general corrosive services. Thereby, our Duplex Steel UNS S31083 Pipes have a high strength and impact toughness, combined with the superior abilities to resist pitting and crevice corrosion. Biofuels plants, pressure vessels and bleaching equipment are connected using these corrosion-countering pipes. Our ASTM A789 Duplex Steel UNS S32205 Seamless Pipes have a high degree of weldability and are hardened through cold working, however, they are slightly difficult to machine. We supply ASTM 790 Duplex Steel DIN 1.4462 Welded Pipesto the food processing industry.

Stockist of ASTM A790790 Seamless Tube, Werkstoff No 1.4462 Duplex Steel Seamless Pipes, ASTM A789 Duplex Welded Pipe Manufacturer, 2205 Duplex Steel S32205 Seamless Tubing Manufacturers, UNS S32205 Duplex Welded Tubing Exporter, Duplex ERW Pipes Suppliers, 2205 Duplex EFW Tubing Wholesaler in India.

ASTM A790 Duplex ERW Pipes, Duplex Steel Rectangular Pipes Exporter, Standard Size A790 Duplex Steel Welded Pipes Stockist, S31803 Duplex Polished Pipes, ASTM A790 Duplex Steel Square Pipes, 2205 Duplex Coiled Tubing Stock Holder, Duplex Steel Instrumentation Tubes Dealer in India.

Standard Specification For Duplex Steel Pipes & Tubes

Specifications : ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789

Standard : ASTM, ASME and API

Seamless Pipes & Tubes Sizes : 1 / 2" NB - 8" NB

Welded Pipes & Tubes Sizes : 6" NB - 24" NB

Outer Diameter : 6.0-630mm

Thickness : 0.3mm – 50 mm

Schedule : SCH20, SCh20, SCh30, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS

Types : Seamless / EFW / Fabricated

Length : Single Random, Double Random & Required Length

Form : Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes

End : Plain End, Beveled End, Treaded

Grades : Duplex S31803, S32205

ASME SA790 Duplex Steel Pipes & Tubes Equivalent Grades

Duplex 2205 1.4462 S31803 / S32205

Chemical Composition of Duplex Stainless Steel Pipess & Tubing

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
S32205 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 21.0 – 23.0 2.50 - 3.50 4.50 – 6.50 0.8 – 0.20 63.54 min

Mechanical Properties of ASTM A789 Duplex Steel Pipes & Tubes

Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S31803 / S32205 7.805 0.285 1420 – 1465 2588 – 2669

Wrought Ferritic / Austenitic Duplex Pipes & Tubing Available Types

Duplex Steel Pipes Duplex Steel Tubes
Duplex Steel ASTM A790 Seamless Pipes Duplex Steel ASTM A790 Seamless Tube
2205 Duplex Steel Seamless Pipes Wrought Ferritic / Austenitic Duplex Seamless Tubing
Duplex S31803 Welded Pipe Suppliers ASTM A789 Duplex Welded Tube
A790 Pipes Dealer Duplex Steel UNS S32205 Tubing Exporter
2205 Duplex Pipes Stockholder ASTM A789 Duplex Welded Tube Distributors
UNS 31803 Duplex Steel Tubing Duplex Steel 2205 Pipes Manufacturer
ASME SA790 Duplex Steel Seamless Pipe ASTM A790 Duplex DIN 1.4462 Tube
Duplex Steel Pipe ASME SA790 Duplex Seamless Tube
Duplex Steel EFW Pipe 2205 Duplex Steel Tubes Stockist
2205 Duplex Steel Pipes ASME SA790 Duplex Steel EFW Tube
Ferritic / Austenitic Duplex Steel Tubing 2205 Duplex Steel Seamless Pipe

Duplex Seamless / Welded Pipe & Tube Application

ASTM A789 Duplex Steel Pipes are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of ASTM A790 Duplex Steel Tubing through a worldwide network of stock-keeping branches. These Duplex Steel Pipes & Tubes is use in various industries like :

  • Duplex Steel Seamless Pipes uses in Oil and Gas Pipeline
  • ASTM A790 2205 Duplex Pipe uses in Chemical Industry
  • Grade S31803 Duplex Steel Pipe Fittings uses in Plumbing
  • Duplex Steel ASTM A789 Tubes uses in Heating
  • ASTM A790 Duplex Seamless Tubing uses in Water Supply Systems
  • ASTM A789 Duplex Steel Welded Pipe Outlets uses in Power Plant
  • Duplex Steel 2205 Pipe uses in Paper & Pulp Industry
  • Duplex Steel Tubing uses in General Purpose Applications
  • ASME SA790 Duplex Steel Pipes uses in Fabrication Industry
  • Duplex Steel S32205 Tubes uses in Food Processing Industry
  • Duplex Steel 2205 Tubing uses in Structural Pipe

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Export Destinations For Grade S31803 / S32205 Duplex Steel Pipes & Tubes


  Saudi Arabia


  South Africa
  Equatorial Guinea
  The Republic Of Congo


  Costa Rica
  Puerto Rica
  Trinidad And Tobago


  Czech Republic


  South Korea
  Sri Lanka



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