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ASTM A789 / ASME SA789 UNS S31803 / 1.4462 DUPLEX STAINLESS STEEL SEAMLESS TUBE

ASTM A789 / ASME SA789 UNS S31803 / 1.4462 DUPLEX STAINLESS STEEL SEAMLESS TUBE

  • ASTM A789 / ASME SA789 UNS S31803 / 1.4462 DUPLEX STAINLESS STEEL SEAMLESS TUBE
  • ASTM A789 / ASME SA789 UNS S31803 / 1.4462 DUPLEX STAINLESS STEEL SEAMLESS TUBE
  • ASTM A789 / ASME SA789 UNS S31803 / 1.4462 DUPLEX STAINLESS STEEL SEAMLESS TUBE
  • ASTM A789 / ASME SA789 UNS S31803 / 1.4462 DUPLEX STAINLESS STEEL SEAMLESS TUBE
ASTM A789 / ASME SA789 UNS S31803 / 1.4462 DUPLEX STAINLESS STEEL SEAMLESS TUBE
Product Details:
Place of Origin: China
Brand Name: YUHONG
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015
Model Number: ASTM A789 UNS S31803 DUPLEX SEAMLESS TUBE
Payment & Shipping Terms:
Minimum Order Quantity: 500KGS
Price: negotiation
Packaging Details: Plywood Case/Woven bag in bundle
Delivery Time: according to quantity
Payment Terms: T/T,L/C
Supply Ability: 1000 tons per month
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Detailed Product Description
Standard: ASTM A789/ASME SA789 Material: UNS S31803; 1.4462
Type Of Tube: Straight Seamless Tube Application: Heat Exchanger, Bolier
Length: 6m Or As Required Delivery Condition: Solution Annealed & Pickled
Packing: Plywood Case/Woven Bag In Bundle Mill Test Certificate: EN10204 3.1/EN10204 3.2
High Light:

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ASTM A789/ASME SA789 UNS S31803/1.4462 DUPLEX STAINLESS STEEL SEAMLESS TUBE

 

 

Overview:

 

The ASTM A789 UNS S31803 tubing refers to seamless and welded tubing manufactured in accordance with ASTM A789/ASTM A789M, which contains approximately 50% ferrite and 50% austenite. The stress corrosion resistance of ASTM A789 in neutral chloride solution and H2S is better than that of 304L, 316L austenitic stainless steel, and 18-5mo type duplex stainless steel. The UNS S31803 tubing is especially suitable for the temperature range of -50°F/+600°F. It may also be considered for applications beyond this temperature range, but there are some limitations, especially when applied to weld structures.

 

The ASTM A789/A789M UNS 31803 tubes shall be made by the seamless or welded process with no filler metal added. It shall be quenched in cool air or water rapidly to a temperature of 1800°F[980°C]-1900°F[1040°C]. For seamless tubes, as an alternative to final heat treatment in a continuous furnace or batch-type furnace, while the tube temperature is not lower than the specified minimum solution treatment temperature, tubes may be immediately quenched in water or rapidly cooled by other means.

 

Specification:

 

Specification ASTM A789 & Its equivalent ASME, DIN & EN Standard.
Grades UNS S31803; 1.4462
Type U-bend & Straight seamless tube
Outer Diameter 1/4'' to 2'' or custom size
Wall Thickness BWG25;BWG22;BWG20;BWG18;BWG16;BWG14;BWG12;BWG10
Length Up to 6 meters, custom cut lengths
Delivery Condition Solution Annealed & Pickled; Bright Annealed
Ends Plain End, Beveled End
Other Testing Product Analysis, Eddy Current Test, Hydrostatic Test, Ultrasonic Test, Flattening Test, Hardness Test, Tensile Test etc.
Dimension All Pipes & Tube Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME
Packing Plywood case/Woven bag in bundle

 

Grade C Mn P S Si Cr Ni Mo N
UNS S31803 0.03 max 2.00 max 0.03 max 0.02 max 1.00 max 21.0-23.0 4.5-6.5 2.5-3.5 0.08-0.2

 

Grade Tensile Strength, min, ksi (MPa)

Yield Strength,

min, ksi (MPa)

Elongation in 2 in.

or 50mm, min (%)

Hardness

Solutioning Temperature,

min, °F(°C)

Rockwell Brinell/Vickers
UNS S31803 90(620) 65(450) 25 30HRC 290HBW/290HV 1870–2010
(1020–1100)

 

Applications:

 

1.Chemical Processing, Transport and Storage

2.Oil and Gas Exploration and Offshore Rigs

3.Mil and Gas Refining

4.Marine Environments

5.Pollution Control Equipment

6.Pulp & Paper Manufacturing

7.Chemical Process Plant

 

ASTM A789 / ASME SA789 UNS S31803 / 1.4462 DUPLEX STAINLESS STEEL SEAMLESS TUBE 0 

Contact Details
Yuhong Group Co.,Ltd

Contact Person: Vantin

Tel: 15336554421

Fax: 0086-574-88017980

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