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Stainless heat exchanger tube

Stainless heat exchanger tube 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 Tube Main Testing Terms and Procedure Accoring to ASTM A213 and ASTM A1016, EN 10216-5:

  • Heat Treatment and Solution Annealing / Bright Annealing
  • Cutting to required length and deburring;
  • Chemical Composition Analysis Test With 100% PMI and One tube from each heat by Direct Reading Spectrometer
  • Visual Test and Endoscope Test for Surface Quality Test
  • 100% Hydrostatic Test and 100% Eddy Current Test
  • Ultrasonic Test subject to the MPS (Material Purchase Specification)
  • Mechanical Tests includes Tension Test, Flattening Test, Flaring Test, Hardness Test
    Impact Test subject to Standard request
  • Grain Size Test and Intergranular Corrosion Test
  • Ultrasoic measuring of Wall Thickness

In order to meet the demand for rapid delivery, we have a strip stock with both standard and special grades of steel in the most common thicknesses.

We offer the market’s widest selection of stainless steel grades and has extensive experience of manufacturing heat exchanger tubes

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.


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

Sunny Steel provide a wide range of steel products as Steel pipes, Seamless tube and seamless pipes, Alloy pipes, Pipe fittings, Composite steel pipe used in the industry, construction etc.



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