Heat Exchanger Tubes

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


Special testing

We supply both seamless and welded tubes which meet the requirements for shell and tube heat exchangers:

Size range 6.35mm - 76.2mm OD x 0.91mm – 3.25mm wall thickness

Heat exchanger tubes are supplied in Standard Wire Gauge (SWG) or Birmingham Wire Gauge (BWG)

Popular grades: 1.4306 (304L), 1.4404 (316L)

Whether your application requires seamless or welded stainless steel tubing, you can always count on consistent, high quality tubing manufactured by our specialists at Sunny Steel. Many of the world’s leading heat exchanger manufacturer’s turn to us for their tubing needs. Applications include:


U bending

We offer quick turnaround as well as specialty and nickel alloys.

Delivery Conditions:

  1. Annealed, Normalized, Normalized and Tempered
  2. Main Testing Terms Accoring to ASTM A213-09 and ASTM A1016
  3. High pressure hydraulic Test: Minimum 10 Maps.
  4. Eddy current test, Ultrasonic Test

Mechanical Test

Surface treatment:



Seamless pipe Specification, standard and identification

Seamless pipes are extensively applied for the nuclear device, gas, petrochemical, ship building and boiler industries. Seamless pipes dominates 65% of market share in Chinese boiler industry.



SUNNY STEEL

Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.

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