ASTM A790 UNS S31803 Welded Pipes

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We at Ratna Exporter are a well-known Manufacturer, Supplier, and Stockist of ASTM A790 UNS S31803 Welded Pipes. Raw materials of the highest quality are used in the fabrication of these Pipes. We have installed all the latest and most advanced machinery. We are a reputed entity offering A790 UNS 31803 Welded Pipes in a variety of sizes and thicknesses to meet our customers’ needs.

UNS S31803 Welded Pipes are distinguished by their dual-phase microstructure, composed of approximately 50 % austenitic and 50 % ferrite. Our Welded Pipes have a smooth finish and are durable as ASTM A790 UNS S31803 Welded Pipes. ASTM A790 UNS s31803 Welded Pipes have a yield strength that typically exceeds that of austenitic stainless steel. Sizes range from 1/8′′ to 6′′ with Plain End, Beveled End, and Threaded End.

These ASTM A790 UNS S31803 Welded Pipes are the most commonly available duplex grade. They should not be used at temperatures above 300 degrees Celsius due to embrittlement. ASTM A790 UNS S31803 Welded Pipes are used in a variety of industries including chemical, petrochemical, marine, oil and gas, and transportation. We test these pipes before they are sent to the clients so that we don’t deliver damaged pipes. This stress-relieving operation is carried out at temperatures ranging from 525 To 600 degrees Celsius, and as a result, resistance in harsh environments has increased. Every employee here is held accountable for their quality of work.

Furthermore, we are committed to improving our employees’ technical and operational capabilities through training and continuous technical quality awareness. We have achieved high quality due to the dedication of our professionals.

astm-a790-uns-s31803-welded-pipes

Specification of ASTM A790 UNS S31803 Welded Pipes

Specification Values
Forming Hot and Cold Finished
Sizes 1/8 to 100-inch
Thickness Up to 25mm
Length Up to 12 Metres
End Preparation Plain / Bevelled / Threaded

Type of ASTM A790 UNS S31803 Welded Pipes

welded-square-pipe

ASTM A790 UNS S31803 Welded Square Pipe

ss-welded-pipe

ASTM A790 UNS S31803 Welded Pipe

ss-pipe

ASTM A790 UNS S31803 Hot Rolled Pipe

ss-efw-pipe

ASTM A790 UNS S31803 ERW Pipe

Contact Ratna Exports today for a best offer & competitive quotation Of ASTM A790 UNS S31803 Welded Pipes

Chemical Composition of ASTM A790 UNS S31803 Welded Pipes

Element

Composition, %

Carbon

0.05 max

Manganese

1..00 max

Phosphorus

0.03 max

Sulphur

0.010 max

Silicon

1.00 max

Nickel

6-8

Chromium

24.00 – 26.00

Molybdenum

3-4

Nitrogen

0.2 – 0.3

Copper

0.5-1.0

Other

0.5-1

 

Mechanical Properties of ASTM A790 UNS S31803 Welded Pipes

Property

Value

Tensile Strength, min, ksi, [MPa]

90 [ 620]

Yield Strength, min, ksi [MPa]

65 [450]

Elongation in 2 in. or 50mm, min, %

25

Hardness, max

HBW

HRC

290

30

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Heat Treatment of ASTM A790 UNS S31803 Welded Pipes

Process

Value

Annealing Temperature °F [°C]

1870 – 2010 [1020 – 1100]

Quenching

Rapid Cooling in Air or Water

Please note this is an approx Pipes ASTM A790 UNS S31803 Welded Pipes in India. For final Pipes ASTM A790  Welded Pipes price list please mail us.

Application Of ASTM A790 UNS S31803 Welded Pipes