professional factory for Aluminium Plate Fin Heat Exchangers - ASTM A179 U Bend Heat Exchangers Tube – Datang

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"Based on domestic market and expand overseas business" is our development strategy for Finned Tube Machine , Tube Heat Exchanger , Heat Condenser , We wish to just take this opportunity to ascertain long-term enterprise relationships with clients from all over the earth.
professional factory for Aluminium Plate Fin Heat Exchangers - ASTM A179 U Bend Heat Exchangers Tube – Datang Detail:

● ASTM A179/ ASME SA179;

● ASTM A213/ ASME SA 213, T11, T22, T22, T5;

● ASTM A213/ ASME SA213, TP304/304L, TP316/316L, S31803, S32205, S32750, S32760, TP410;

● ASTM B111, C44300, C68700, C70600, C71500;

● ASTM B338, GR.1, GR.2.

● Monel Alloys.

● Nickel Alloys.

● U Bend Dimension capability.

● Tube OD.: 12.7mm-38.1mm.

● Tube Thickness: 1.25mm-6mm.

● Bending Radius: Min.1.5 x OD/ Max. 1250mm.

● U tube Straight “leg” Length: Max. 12500mm.

● Straight tube before U bending: Max. 27000mm.

U Bend Tubes for Heat Exchangers applied mostly in oil & gas plants, chemical & petrochemical plants, refineries, power plants, renewable energy plants.

1. Heat Treatment and Solution Annealing / Bright Annealing

2. Cutting to required length and deburring

3. Chemical Composition Analysis Test With 100% PMI and One tube from each heat by Direct Reading Spectrometer

4. Visual Test and Endoscope Test for Surface Quality Test

5. 100% Hydrostatic Test/Pneumatic test and 100% Eddy Current Test

6. Ultrasonic Test subject to the MPS (Material Purchase Specification)

7. Mechanical Tests includes Tension Test, Flattening Test, Flaring Test, Hardness Test

8. Impact Test subject to Standard request

9. Grain Size Test and Intergranular Corrosion Test

10. Ultrasoic measuring of Wall Thickness

11. Stress Relieve Annealing on U bend Parts after bending

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‘U’ Bend Stainless Steel Tubes are manufactured in our plant as per the customer requirements. Bends can be Heat Treated in accordance with Clients’ requirements followed by hydrostatic testing and dye penetrant testing if required.

U bent tubes are widely used in heat-exchanger systems. Heat exchanger equipment on the basis of stainless U-tube is essential in strategically important and critical fields nuclear and petrochemical machine building.

U-tube heat exchangers Designed for high temperature applications, especially steam condensing or hot oil systems. Thïs model is selected when differential expansion makes a fixed tube sheet exchanger unsuitable and when conditions preclude a floating head type (HPF) selection.

Surface condition Finished U-tubes shall be free of scale, without scratches after bending.

1. High-pressure hydrostatic test: minimum: 10 Mpa-25Mpa.

2. Underwater air test after bending

3. U-tube wall thickness test

4. Eddy current test before U-shaped bend is formed

5. Ultrasonic test before U-shaped bend is formed

6. Heat treatment can relieve stress

A. Cut all the pipes to the specified leg length, and use air for internal cleaning and deburring.

B. Before packaging, both ends of the U-shaped elbow are covered with plastic covers.

C. Vertical separator for each radius.

D. Each plywood box is equipped with a packing list covered with plastic to facilitate identification of order details, including an accurate list of internal radius and length.

U Bend Stainless Steel Heat Exchanger Tube, U Bent Pipe

U bend pipe for boiler and superheater

With strong wood structure box packing by containers loading and shipping.

Heater tubes U TUBES with Stainless, Alloy steel grade available, Carbon Steel grade is also available.

Size Range for tubing: OD:1/4″ (6.25mm) to 8″ (203mm), WT 0.02″ (0.5mm) to 0.5″(12mm).

Length: 30 m(Max) or as your requirement.

Process: Cold drawn, Cold rolled, Precision Rolled for Seamless Pipe or Tube.

Finish: Annealed & pickled, bright annealing, polished.

Ends: Beveled or plain end, square cut, burr free ,Plastic Cap at Both end.

Applications: Heater, Heat Exchanger,  Condencer, Machining, Bearing Machining, API Service.


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professional factory for Aluminium Plate Fin Heat Exchangers - ASTM A179 U Bend Heat Exchangers Tube  – Datang detail pictures


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We support our purchasers with ideal high-quality merchandise and significant level company. Becoming the specialist manufacturer in this sector, we now have received loaded practical encounter in producing and managing for professional factory for Aluminium Plate Fin Heat Exchangers - ASTM A179 U Bend Heat Exchangers Tube – Datang , The product will supply to all over the world, such as: Azerbaijan, Greece, Muscat, We insist on the principle of "Credit being primary, Customers being the king and Quality being the best", we are looking forward to the mutual cooperation with all friends at home and abroad and we will create a bright future of business.
  • The company has a good reputation in this industry, and finally it tured out that choose them is a good choice.
    5 Stars By Diana from Philippines - 2017.02.28 14:19
    The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
    5 Stars By Mario from Ecuador - 2017.08.15 12:36
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