Where to get high quality heat exchanger tubes?

What are heat exchanger tubes?

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Heat exchange tubes are intended for heating or cooling process fluids, they are for example suitable for closed circuit cooling of electrical equipment using demineralised water and for cooling water soluble oil solutions in quenching tanks.

Heat exchanger tubes in an extensive range of austenitic stainless steels, duplex stainless steels, nickel alloys, titanium and zirconium, suitable for all types of heat exchangers, such as seawater coolers, condensers, evaporators, heaters and reheaters.

Heat exchanger Tubes are used in all types of process industries. Characteristic requirements are: bead worked weld, fixed lengths and extensive testing.

Surface protection: Unless otherwise stated in order tubes are delivered with inner and outer surfaces temporarily protected with a film of light mineral oil.

Tubes ends: The tubes are supplied plain, square cut and on request the tubes can be deburred.

Application:

Pipes are made from more than 20 steel grades of various corrosion resistance and are intended for application in conditions of a wide range of corrosion environments and temperatures in heat exchanger.

  • Nuclear Industry
  • Chemical Industry
  • Petrochemical industry
  • HVAC (Heating Ventilation Air Conditioning), refrigeration
  • Food and Beverages
  • Power Generation
  • Heat exchanger

Heat exchanger tube is used in all types of process industries. Characteristic requirements are: bead worked weld, fixed lengths and extensive testing.

Production Standard, Grade, Steel No: 

ASTM A179 Heat Exchanger Tubes

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ASTM-A179 Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes

ASTM A 179 covers minimum-wall thickness, seamless cold-drawn low-carbon steel tubes for tubular, heat exchanger, condensers, and other heat transfer services. seamless ASTM A 179 steel pipe is supplied and produced by cold drawning.

Chemical composition contains carbon, manganese, phosphorus, and sulfur. Test required: hardness test, flattening test, flaring test, flange test, and hydrostatic test.

Chemistry Composition:
C, %
Mn, %
P, %
S, %
0.06-0.18
0.27-0.63
0.035 max
0.035 max
Mechanical Properties:
Tensile Strength, MPa
Yield Strength, MPa
Elongation, %
Hardness, HRB
325 min
180 min
35 min
72 max
Outside Diameter & Tolerance
Outside Diameter, mm
Tolerance, mm
3.2≤OD<25.4
±0.10
25.4≤OD≤38.1
±0.15
38.1<OD<50.8
±0.20
50.8≤OD<63.5
±0.25
63.5≤OD<76.2
±0.30
76.2
±0.38
Wall thickness & Tolerance
Outside Diamter, mm
Tolerance, %

3.2≤OD<38.1

+20/-0
38.1≤OD≤76.2
+22/-0

GB6479 10, 20, 16Mn, 15MnV, 12CrMo, 15CrMo, 12Cr2Mo, 12SiMoVNb

Accoring to ASTM A213-09 and ASTM A10161. 

High pressure hydraulic Test: Minimum 10 Maps.2. Eddy current test, Ultrasonic Test3. Mechanical Test4. OD and WT tolerance Test.
Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.

Source: China Heat Exchanger Tubes Manufacturer – Yaang Pipe Industry Co., Limited (www.steeljrv.com)

(Yaang Pipe Industry is a leading manufacturer and supplier of nickel alloy and stainless steel products, including Super Duplex Stainless Steel Flanges, Stainless Steel Flanges, Stainless Steel Pipe Fittings, Stainless Steel Pipe. Yaang products are widely used in Shipbuilding, Nuclear power, Marine engineering, Petroleum, Chemical, Mining, Sewage treatment, Natural gas and Pressure vessels and other industries.)

If you want to have more information about the article or you want to share your opinion with us, contact us at sales@metallicsteel.com

Please notice that you might be interested in the other technical articles we’ve published:

  • WHERE TO BUY HIGH QUALITY STEEL PIPES

  • WHERE TO BUY HIGH QUALITY FLANGES

  • WHERE TO BUY HIGH QUALITY PIPE FITTINGS

  • ADVANTAGES OF DUPLEX STAINLESS STEEL PIPE AND SELECTION

  • WHERE TO BUY HIGH QUALITY BELLOW EXPANSION JOINTS

  • Difference Between Pipe Elbow And Pipe Bend

  • Where to get high quality alloy steel pipes

  • Distinguish Inferior Steel Pipes

References:

  • https://en.wikipedia.org/wiki/Heat_exchanger
  • https://www.yaang.com/Pipes-1.html
  • https://www.steeljrv.com

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