Leading Manufacturer for A269 Tube - Heat Exchanger Tubes – Donghao Metal Group

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Leading Manufacturer for A269 Tube - Heat Exchanger Tubes – Donghao Metal Group Detail:

Heat exchanger tube in an extensive range of Austenitic, Ferritic and Martensitic stainless steels, duplex stainless steels, nickel alloys, suitable for all types of heat exchangers, such as seawater coolers, condensers, evaporators, heaters and reheaters.

DMG’s heat exchanger tube program includes imperial and metric sizes, from outside diameter 6.35 mm up to 50.8 mm (1/4″ to 2″). Special sizes can be made to order. Our heat exchanger tubes are supplied in straight lengths up to 30 meters, or as U-bent tubes.

Process Method: Cold Drawn/Cold Rolled

Grades:

Austenitic: 304/L, 316L, 317L, 321, 347, 904L,

Martensitic: 410,430, 405, 409, 439, 420, 444, and 446

Duplex: S31803, S32205, S31500, S31200, S32304, S32750

Nickel Alloy: Alloy 400, Alloy 600, Alloy 625, Alloy 800, Alloy 825, Alloy 20, Alloy 28, Alloy C276;

Other grades can be offered on request.

Standards: A213/A269 A789/A790 EN 10216-5 TC1

Outside diameter range from 6.35-50.8mm

Wall thickness range from 0.71-3.81mm

Inspection & Test:

1. 100% PMI / Chemical analysis tests.

2.100% Dimension tests & 100% Visual examination

3. Tension test, flange test, hardness test, flattening test

4. 100% Eddy Test or Hydrostatic Test before bending and 100% Hydrostatic test after bending

5. Checking stress released heat treatment in bending area plus 300mm straight leg length after bending with agreement with clients.

Notes: all the tests and inspection need to provide with reports according to standard and test results.

U-BENDING / U bend Tubing / U Tube:

U-BENDING / U bend Tubing / U Tube heat exchangers comprise a U shaped tube fixed by flow baffles or tubes supports and placed in shell to control the fluid present in the exterior of the tube assembly. The fluid is guided into the tubes by a head assembly, which is fixed to the shell by bolts.

Bending Radius: From 1.5 * O.D (outside diameter) ,When ordering tubes with bending radius less than 1.5*OD, it is necessary to get the agreement with us.

Straight tubes maximum length (before bending): 35000 mm.

Leg length: min 1 meter, max. 16500 mm (for max r=1500mm) 

Note: Other sizes are available upon agreement.

Heat treatment: stress relieved after u-bending (bending area plus 300mm for each leg).


Product detail pictures:

Leading Manufacturer for A269 Tube -
 Heat Exchanger Tubes – Donghao Metal Group detail pictures

Leading Manufacturer for A269 Tube -
 Heat Exchanger Tubes – Donghao Metal Group detail pictures


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We know that we only thrive if we can guarantee our combined price tag competiveness and top quality advantageous at the same time for Leading Manufacturer for A269 Tube - Heat Exchanger Tubes – Donghao Metal Group, The product will supply to all over the world, such as: Italy , Kuwait , Armenia , We welcome you to visit our company, factory and our showroom displayed various products that will meet your expectation, meanwhile, it is convenient to visit our website, our sales staff will try their efforts to offer you the best service. If you need to have more information, remember to do not hesitate to contact us by E-mail or telephone.
  • We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
    5 Stars By Naomi from Ghana - 2015.06.09 12:42
    The goods are very perfect and the company sales manager is warmful, we will come to this company to purchase next time.
    5 Stars By Myrna from Lesotho - 2015.06.12 16:22
    
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