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UNS S31803 Pipes & Tubes

UNS S31803 Pipes & TubesSvamitva Steel is one of the best manufacturers, Supplier and exporters of high quality Duplex Steel UNS S31803 Pipes & Tubes suppliers, Duplex Steel DIN 1.4462 Seamless Pipes & Tuebs, ASTM A790 Duplex Steel pipes & tubes, Duplex Steel ASME SA789 Pipes & tubes, Duplex Steel UNS S31803 ERW Pipes, ASME SA789 Duplex Steel welded Pipes, Duplex Steel UNS S31803 Pipes & Tubes suppliers in India & worldwide.

We at Svamitva Steel are guaranteed fast delivery of the Duplex Steel UNS S31803 Pipes & Tubes suppliers in the country & worldwide. They are made ready as per the urgent requirements of the customers.

Product Specifications

Specifications Properties
Specifications ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789
Dimensions ASTM, ASME and API
Size 1/2& NB TO 12 NB IN
Seamless Pipes & Tubes Sizes 1/2NB - 8NB
Welded Pipes & Tubes Sizes 6NB – 24NB
Outer Diameter 6.0-630mm
Schedule SCH20, SCH30, SCH40, STD, SCH80
Thickness 0.5-45mm
Type Seamless / ERW / Welded / Fabricated / CDW
Form Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes & UShape, Pan Cake Coils, Hydraulic Tubes
Length Single Random, Double Random & Required Length
End Plain End, Beveled End, Treaded

Chemical Properties

Element UNS S31803
C 1.0 Max
N 0.03 Max
Mn 3.0 Min - 3.5 Max
Si 2.00 Max
P 0.02 Max
S 0.14 Min - 0.2 Max
Cr 4.5 Min - 6.5 Max
Mo 22.0 Min - 23.0 Max
Fe 0.03 Max

Mechanical Properties

Element UNS S31803
Density 7.805 g/cm3
Melting Point 1450 °C (2500 °F)
Tensile Strength MPa - 655
Yield Strength MPa - 450
Elongation 25 min


  • Energy industries
  • Refinery and Petrochemicals
  • Ship Building
  • Oil & Gas Industry


  • High Quality
  • Cost effective
  • Good corrosion resistance
  • High strength