Rajendra Pipes & Fittings is a notable manufacturer and exporter of Duplex S31803 Tubes in all over the world. We offer best quality Duplex Steel S31803 Tubes which is most durable and cost-effective. We fabricated Duplex S31803 Tubes in various sizes and lengths. Our Duplex S31803 Tubes has magnetic property, yields strength, tensile strength, outstanding durability, high toughness, long-term working ability etc.
Duplex Steel S31803 Tubes consists of high chromium & molybdenum and lower nickel contents. Duplex Steel S31803 Tubes are the most corrosion-resistant and contain hardenable alloys. It displays the properties of stainless steel, which is austenitic and Ferritic. Duplex Steel S31803 Tubes are measured high resistant to stress corrosion cracking, but it does not resist Ferritic stainless steels. Duplex S31803 Tubes made up of nitrogen boosted duplex stainless steel developed to resist common corrosion problems and is the maximum used grade in the stainless steels duplex category.
Our Duplex S31803 Tubes is a cost-effective product for many applications where high chloride stress corrosion. Duplex S31803 Tubes performs oxidation performance. When Duplex S31803 Tubes melted, it hardens from the liquid phase to an utterly Ferritic structure. Duplex S31803 Tubes can use in marine atmospheres, salty water, bleaching processes, closed-loop water systems equipment and some food processing applications. It has high strength, resistance to crevice corrosion and pitting, better sulfide corrosion resistance, good weldability, etc.
At Rajendra Pipes & Fittings, we fabricate Duplex S31803 Tubes used in numerous industries or applications like transport and storage, chemical processing, Oil and Gas exploration and processing equipment, Pulp and paper digesters Marine and other high chloride environments, liquor tanks and paper machines.
Duplex Steel S31803 Tubes Equivalent Grades
STANDARD
UNS
WERKSTOFF NR.
Duplex S31803
S31803
1.4462
Specification of Duplex Tube ASTM A789 UNS S31803
Tube Standard : ASTM A789 / ASME SA789
Tube Dimension : ANSI/ASME B36.19M, ANSI/ASME B36.10M
Seamless Tube Sizes : 1 / 2" NB - 16" NB
Welded Tube Sizes : 1 / 2" NB - 24" NB
Tube Outside Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available
Ex-stock, OD Size Steel Tubes available Ex-stock
Tube Manufacturing Process : Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray
Welded
Duplex Steel Tube Schedule : SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS,
SCH XS
Tube Length : Single Random, Double Random, Standard & Cut length
Tube End Types : Plain Ends (PE), Threaded Ends (TE), Bevelled Ends (BW),
Grooved Mechanical Joints or Grooved Ends, TBE (Treaded
Both Ends)
Delivery Condition : Annealed and Pickled, Polished, Bright Annealed, Cold
Drawn
Outside Finish : 2B, No.4, No.1, No.8 Mirror Finish for Duplex Steel Tubes,
Finish as per customer Requirements
Value Added Services : Cutting, Beveling, Polishing, Threading, Destructive, Non
Destructive, Ultrasonic Testing
Available Types of UNS S31803 Duplex Tube
ASTM A789 Duplex UNS S31803 Seamless Steel Tubes
Duplex UNS S31803 Tubes, ASTM A789 Duplex UNS S31803 Seamless Tubes, Austainitic Duplex UNS S31803 Seamless Tubes, ASME SA789 Duplex UNS S31803 Seamless Tubes, Seamless Duplex UNS S31803 Tubes Supplier in Zambia, Duplex UNS S31803 Tubes Supplier in South Africa.
ASTM A789 Duplex UNS S31803 Welded Tubes
Duplex UNS S31803 Welded Tubes, ASTM A789 Austainitic Duplex UNS S31803 Welded Tubes, ASTM A789 Duplex Welded Tubes, ASME SA789 Duplex UNS S31803 Welded Tubes, Welded Duplex UNS S31803 Tubes Supplier in Ghana, Duplex UNS S31803 Welded Tubes Supplier in Brazil.
ASTM A789 Duplex UNS S31803 Capillary Tubes
Duplex UNS S31803 Capillary Tubes, ASTM A789 Duplex Capillary Tubes, ASME SA789 Duplex Capillary Tubes, Austainitic Duplex UNS S31803 Welded Tubes, Capillary Duplex UNS S31803 Tubes Supplier in Algeria, Duplex UNS S31803 Capillary Tubes Supplier in Uganda.
Chemical Composition of Duplex Tube ASTM A789 UNS S31803
Ni
Cr
Mo
Mn
Si
C
N
S
P
Fe
MIN
4.5
22.0
3.0
-
-
-
0.14
-
-
-
MAX
6.5
23.0
3.5
2.0
1.0
0.03
0.2
0.02
0.03
Balance
Mechanical Properties of ASTM A789 Duplex Tube
S31803
Density
Melting Point
Yield Strength (0.2%Offset)
Tensile Strength
Elongation
7.8 g/cm3
1350 °C (2460 °F)
Psi – 80000 , MPa – 550
Psi – 116000 , MPa – 800
15 %
Duplex Steel ASTM A789 S31803 Tubes Other Types
ASTM A789 UNS S31803 Rectangular Tube
ASTM A789 UNS S31803 elliptical and Oval Tube
ASTM A789 UNS S31803 SCH 80 Tube
ASME SA789 Duplex S31803 Alloy SCH 40 Tube
ASTM A789 UNS S31803 Bellows Tubes
ASTM A789 UNS S31803 High-strength capillary tubing
ASTM A789 UNS S31803 Transmission Tubes
ASME SA789 Duplex S31803 precision Tubes
ASTM A789 UNS S31803 Instrumentation Tube
ASTM A789 UNS S31803 Seamless Hollow Tube
ASTM A789 UNS S31803 Condenser Tube
ASTM A789 UNS S31803 SCH 80 Tube
ASTM A789 UNS S31803 SCH 40 Tube
ASTM A789 UNS S31803 cold drawn seamless Tubes
ASME SA789 Duplex S31803 Capillary Tubing
ASTM A789 UNS S31803 Cold drawn seamless tubing (CDS)
ASTM A789 UNS S31803 Hot finished seamless tubing (HFS)
ASTM A789 UNS S31803 High Pressure Tubes
ASME SA789 Duplex S31803 Alloy Precision Tubing
ASTM A789 UNS S31803 Finned Tubes
ASTM A789 UNS S31803 Drawn over mandrel (DOM)
ASTM A789 UNS S31803 seamless straight tubing
ASTM A789 UNS S31803 seamless coil tubing
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