Accurate Metals & Alloys is a notable manufacturer, supplier, and exporter of Duplex Steel UNS S31803 Pipes and Tubes in Mumbai, India. We manufacture these UNS S31803 Pipes & Tubes using superior quality raw materials and advanced technology in accordance to the globally accepted quality standards and various industrial requirements. These Duplex Steel UNS S31803 Pipes are available in wide ranges of sizes, specifications, dimensions, and thickness and also customized as per the clients requirements.
Duplex UNS S31803 Pipes is a nitrogen enhanced duplex stainless steel that was developed to combat common corrosion problems and is the most widely used grade in the duplex family of stainless steels. Duplex Steel is a cost effective solution for many applications where the 300 series stainless steels are susceptible to chloride stress corrosion cracking. Duplex UNS S31803 Seamless Pipes and Tubes can be utilized in marine environments, brackish water, bleaching operations, closed loop water systems and some food processing applications

super-duplex-s32760-pipe
ss-pipes

Duplex UNS S31803 Tubes have features like high resistance to chloride stress corrosion cracking, resistance to chloride pitting and crevice corrosion, good general corrosion resistance, good sulfide stress corrosion resistance, high strength, good weldability and workability, etc.
Duplex Steel UNS S31803 Pipes are used in various industries like chemical processing, transport and storage, Oil and Gas exploration and processing equipment, Marine and other high chloride environments, Pulp and paper digesters, liquor tanks and paper machines.
We supply these Duplex Steel UNS S31803 Welded Pipes and Tubes along with various documents and test certificates in order to ensure the quality of our products and raw materials used the documents include Fumigation Certificates, Raw Material Test Reports, Material Traceability Records, commercial invoice which includes HS code, packing list, Quality Assurance Plan, etc. To ensure damage free shipping we pack these products in wooden boxes, cartons or as per the requirements of the clients.

Equivalent Grades of Duplex Steel UNS S31803 Pipes & Tubes:
STANDARD
WERKSTOFF NR.
UNS
Duplex 1803
1.4462
S31803
Specifications of Duplex Steel UNS S31803 Pipes & Tubes
Standard
:
ASTM A240 / ASME SA240 UNS S31803, S32205, S32550, S32750, S32760
Materials
:
ASTM A815 – UNS S31803
Size
:
1/2″NB TO 12 “NB IN
Seamless Pipes & Tubes Sizes
:
1/2” NB – 8” NB
Welded Pipes & Tubes Sizes
:
6” NB – 24” NB
Thickness
:
0.5-45mm
Outer Diameter
:
6.0-630mm
Dimensions
:
OD(6.0-630)*WT(0.5-45)mm
Schedule
:
SCH20, SCH30, SCH40, STD, SCH80
Type
:
Welded / Fabricated / Seamless
Length
:
Single Random, Double Random & Cut Length.
Chemical Composition of Duplex Steel UNS S31803 Pipes and Duplex Steel UNS S31803 Tubes
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 & Physical Properties of Duplex Steel UNS S31803 Pipes & Tubes
Grade
S31803
Density (g/cm 3)
7.805
Density (lb/in 3)
0.285
Melting Point (°C)
1420 – 1465
Melting Point (°F)
2588 – 2669;
Types of Duplex Steel UNS S31803 Pipes and Duplex Steel UNS S31803 Tubes
  • Duplex Steel Welded Pipes
  • 2205 Duplex Steel Welded Pipe
  • ASME SA790 Duplex Steel S31803 Welded Pipe
  • S31803 Duplex Welded Pipes Stockholder
  • Duplex Stainless Steel UNS S31803 Welded Pipe Dealer
  • Duplex Steel ASTM A790 31803 Welded Pipes
  • Duplex Steel DIN 1.4462 Welded Pipe
  • SAF 2205 Duplex Welded Pipes Supplier
  • Ferritic/Austenitic Duplex Steel S31803 Welded Pipes
  • Duplex Steel UNS S31803 Welded Pipe
  • ASTM A790 Duplex Steel UNS S31803 Pipes Manufacturer
  • ASME SA790 UNS S31803 Welded Pipes Exporter
Marking & Packing Of Duplex Steel UNS S31803 Pipes and Duplex Steel UNS S31803 Tubes
Accurate Metals & Alloys pack Duplex Steel UNS S31803 Pipes and Duplex Steel UNS S31803 Tubes properly and carefully to ensure that there is no damage to the Duplex Steel UNS S31803 Pipes and Duplex Steel UNS S31803 Tubes during the transit. We pack Duplex Steel UNS S31803 Pipes and Duplex Steel UNS S31803 Tubes in wooden boxes and supply them all over the world.
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