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Quality Inspection for Astm A269 Boiler Pipe - Heat Exchanger Tubes – Dextube

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Sticking towards the principle of "Super High-quality, Satisfactory service" ,We've been striving to become a superb business partner of you for Stainless Steel Tubes , 304 Stainless Steel Capillary Pipe , 304 Stainless Tube , We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
Quality Inspection for Astm A269 Boiler Pipe - Heat Exchanger Tubes – Dextube 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.

Dextube’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,

Martensite: 410,430, 405, 409, 439, 420, 444, 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:

Quality Inspection for Astm A269 Boiler Pipe -
 Heat Exchanger Tubes – Dextube detail pictures

Quality Inspection for Astm A269 Boiler Pipe -
 Heat Exchanger Tubes – Dextube detail pictures

Quality Inspection for Astm A269 Boiler Pipe -
 Heat Exchanger Tubes – Dextube detail pictures


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We also offer product sourcing and flight consolidation services. We've got our personal factory and sourcing office. We can easily present you with almost every style of merchandise linked to our merchandise range for Quality Inspection for Astm A269 Boiler Pipe - Heat Exchanger Tubes – Dextube, The product will supply to all over the world, such as: Libya , Malawi , Jakarta , We pay high attention to customer service, and cherish every customer. We've maintained a strong reputation in the industry for many years. We are honest and work on building a long-term relationship with our customers.
  • The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Dawn from Cancun - 2015.10.09 19:07
    The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Nancy from Detroit - 2015.02.08 16:45