SA 789 UNS S31803 Seamless Tube and Alloy 2205 Boiler Tubing manufacturer in India

Duplex seamless tube for heat exchanger

In addition to the production of Duplex Stainless Steel Heat Exchanger Tubes to a wide range of Austenitic, Ferritic, Martensitic, Duplex & Super Duplex is also having latest In-house “U” bending facility for manufacturing U-Tubes for the use in heat exchangers, condensers, pre-heaters and other applications. These U-Tubes are made in accordance with requirements of TEMA, ASTM A 688 and other statutory requirements or specifications.

Grade S31803

Standard


ASTM A 269 , ASTM A789, ASTM A213 , EN10216-5 ; ASTM B 622 ; ASTM A 270 , ASTM B516 ,etc
Size Routine OD : 19.05mm,25.4mm,31.8mm,38.1mm

WT : 1.2-2.77mm
Length According to customer needs up to 20m
Advantage better mechanical property ; Superior surface finish , more precise dimension ; perfect inspection equipment and inspection method
Application low temperature resistant, Boiler tube applies to petroleum, electric power, boiler, high temperature resistant, chemical industry, corrosion resistant.
Package Plywood case

Buy Duplex 2205 Tube and ASTM A790 UNS S32205 Evaporator/ Condensing Tubing at factory price in Mumbai

Duplex Heat Exchanger Tubes, OD 6mm - 610mm

American Standard

Austenitic Steel:

TP304, TP304L, TP304H, TP304N, TP310S, TP316, TP316L, TP316Ti, TP316H,  

TP317, TP317L, TP321, TP321H, TP347, TP347H, 904L…

Duplex Steel :

S32101, S32205, S31803, S32304, S32750, S32760

Others: TP405, TP409, TP410, TP430, TP439, ...

European Standard

1.4301, 1.4307, 1.4948, 1.4541, 1.4878, 1.4550, 1.4401, 1.4404, 1.4571, 1.4438, 1.4841,

1.4845, 1.4539, 1.4162, 1.4462, 1.4362, 1.4410, 1.4501

Production

  Outside Diameter

Wall Thickness

Duplex Cold Drawn Seamless Tube

6.00mm to 610mm

0.6 mm to 60mm

Standard  Specification of SA 789 UNS S31803

ASTM A789/A789M - 10a: Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
ASTM A790/A790M - 11: Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

 

Chemical Composition of SA 790 UNS S31803 Tube

UNS DesignationCSiMnPSCrNiMoNCu
maxmaxmaxmaxmax





S318030.03120.030.0221.0 - 23.04.5 - 6.52.5 - 3.50.08 - 0.20-
S322050.03120.030.0222.0 - 23.04.5 - 6.53.0 - 3.50.14 - 0.20-
S327500.030.81.20.0350.0224.0 - 26.06.0 - 8.03.0 - 5.00.24 - 0.320.5 max
S327600.05110.030.0124.0 - 26.06.0 - 8.03.0 - 4.00.20 - 0.300.50 -1.00

ASTM A790 UNS S32205 Heat Exchange Tube Application

  • Petroleum
  • Chemical enterprise
  • Super heater of boiler and heat exchanger
  • High temperature-resistant transmission fluid pipe in power station
  • Ship with pressure pipe
  • Exhaust purification device
  • Construction and ornament
  • Solar industry
  • Military