Austenitic
Duplex Steel
Nickel Alloy
Cobalt Alloy

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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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