ASTM A789 Duplex Steel S31803 Welded Tube Supplier, Exporter, Manufacturer
Duplex Steel S31803 Welded Tube, Duplex Steel Welded Tubes, Duplex Steel S31803 ERW Tube, ASTM A789 Duplex Steel S31803 Welded Tubing, ASME SA 789 S31803 Welded Tubing, S31803 Welded Tubes, Duplex Steel S31803 Welded Tubes Suppliers in India.
Leoscor Alloys is the worldwide manufacturer, supplier, and exporter of the Duplex Steel UNS S31803 Welded Tube. We are providing the welded tubes in various specifications to the clients. Some of the specifications in which the welded tubes are available are surface finish, end finish, dimensions, shapes, sizes, and various others. All the national and international quality standards are also followed in the development of the welded tubes. We are also manufacturing the wide ranges of the welded tubes as per the expectations of the clients. Duplex Steel UNS S31803 is the high-grade alloy steel that is used in manufacturing the welded tubes. These tubes are largely used in the industrial applications that are alloying the smooth flow in the industrial working. This is because of the alloying elements that are present in the alloy steel which is used. Some of the alloying elements that are present in the alloy are carbon, silicon, manganese, and various others.
Duplex Steel 1.4462 Welded Tubing is having various characteristics that are having good use in the industries. Some of the characteristic features that are there in the welded tubes are corrosion resistance, great ductility, and durability, stability in the elevated temperatures, high toughness, and strong tensile strength.

Duplex Steel 1.4462 Welded Tubes Exporter, ASTM A789 S31803 Duplex Steel Welded Tubes, S31803 Welded Tubing, Duplex Stainless Steel UNS S31803 Welded Tubes, S31803 ERW Tubes Dealer, S31803 Duplex Steel Welded Tubing Manufacturer in Mumbai, India.
We specialise in S31803 Duplex Steel Welded Tubes Exporting in Turkey, Egypt, Singapore, Malaysia, Indonesia, Jordan, South Africa, Oman, Qatar, Italy.
Duplex Steel S31803 Welded Tubes Specification :
Specifications | : | ASTM A789 / SA 789 |
Size | : | 6” NB - 24” NB |
Thickness | : | 0.5-45mm |
Outer Diameter | : | 6.0-630mm |
Dimensions | : | OD(6.0-630)*WT(0.5-45)mm |
Length | : | Single Random, Double Random & Cut Length |
Schedule | : | SCH20, SCH30, SCH40, STD, SCH80 |

Duplex Steel S31803 Welded Tubes

Duplex Steel UNS S31803 Welded Tubing
ASTM A789 S31803 Duplex Steel Welded Tubes Equivalent Grades
STANDARD | UNS | WERKSTOFF NR. |
Duplex 31803 | S31803 | 1.4462 |
UNS S31803 Duplex Steel Welded Tube Chemical Composition
C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
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 |
Welded Ferritic/Austenitic Duplex Steel 1.4462 Welded Tubes 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 |
Price List of Duplex S31803 ASTM A789 Welded Tubes
Price of Duplex Steel Welded Tubes ASTM A789 S31803 : FOB Price: US $0.1-500 / Piece
Price of Duplex Steel ASME SA7898 S31803 Welded Tube : FOB Price: US $0.1-500 / Piece
Duplex Steel UNS S31803 Welded Tubes Available Stock at Leoscor Alloys
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ASTM A789 Duplex Steel S31803 Welded Tube Application Industry

Gas Processing Industries

Petrochemical Industries

Power Generation Industries

Food Processing Industries

Chemical Industries

Oil & Gas Industries

Fertilizers Industries

Sugar Industries