Wholesale Bundle Pulling Heat Exchangers - ASTM A179 U Bend Heat Exchangers Tube – Datang

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Wholesale Bundle Pulling 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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We are going to make every single effort for being excellent and excellent, and accelerate our ways for standing while in the rank of international top-grade and high-tech enterprises for Wholesale Bundle Pulling Heat Exchangers - ASTM A179 U Bend Heat Exchangers Tube – Datang , The product will supply to all over the world, such as: Tunisia, California, Karachi, Till now, the items list has been updated regularly and attracted clients from around the globe. Comprehensive facts is often obtained in our web-site and you'll be served with premium quality consultant service by our after-sale group. They are likely to help you get thorough acknowledge about our goods and make a satisfied negotiation. Company go to to our factory in Brazil is also welcome at any time. Hope to obtain your inquiries for any pleased co-operation.
  • Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.
    5 Stars By Doris from Barbados - 2018.11.02 11:11
    Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Emma from Puerto Rico - 2017.05.21 12:31
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