Austenitic
Duplex Steel
Nickel Alloy
Cobalt Alloy

Committed to global industrial innovation with more stable high-quality products and more efficient professional services.

25.4mm Cold Rolled S31803 Tube Desalination Used Duplex Steel For Heat Exchanger


MTSCO heat exchanger tube with pickling and annealing surface is very popular in boilers and heat exchangers industry , water heater industry , air-conditioning industry etc . This kind of seamless tubes are have a very important position in our all products .


Heat Exchange Tube Application :


a) Petroleum , chemical enterprise , super heater of boiler and heat exchanger

b) High temperature-resistant transmission fluid pipe in power station

c) Ship with pressure pipe

d) Exhaust purification device

e) Construction and ornament

f) solar industry , military , semiconductor etc


GradeS31803; TP304 ; TP304H ; TP304L ; TP316 ; TP316L ; TP 321 ; TP321H ; TP317L ; TP310S ; TP347H

Standard


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

WT : 1.2-2.77mm
Length According to customer needs up to 20m
AdvantageSuperior surface finish , better mechanical property ; more precise dimension ; perfect inspection method and inspection equipment
ApplicationBoiler tube applies to petroleum , chemical industry , electric power , boiler , high temperature resistant , low temperature resistant , corrosion resistant . The size can be made according to the customers requirements . High pressure boiler pipe applies to container , petrochemical and so on 
PackagePlywood case


Duplex Steel Tube Chemical Composition:


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




Duplex Steel Tube Test :


1 . NTD ( Ultrasonic test , Eddy Current test )

2 . Mechanical Test ( Tension Test , Flaring Test , Flattening Test , Hardness Test , Hydraulic test )

3 . Metal Test ( Metallographic Analysis , Impact Test-High/low temperature )

4 . Chemical Analysis ( Photoelectric Emission Spectroscopic )




VIP SERVICE

VR (Virtual) Mill Introduction

Professional Remote Technical Guidanceion

Accept Third-party Inspection

Door to Door Shipment

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