Manufacturing Companies for Industrial Stainless Steel Pipe - A249 Stainless Steel Welded tube – Donghao Metal Group

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Our personnel are generally in the spirit of "continuous improvement and excellence", and together with the outstanding top quality merchandise, favorable price tag and fantastic after-sales solutions, we try to gain every single customer's rely on for Seamless Steel Pipeline , 316l Stainless Steel Tube , Sa 789 Tube , With a fast development and our customers come from Europe, United States, Africa and all over the world. Welcome to visit our factory and welcome your order, for further inquires please do not hesitate to contact us!
Manufacturing Companies for Industrial Stainless Steel Pipe - A249 Stainless Steel Welded tube – Donghao Metal Group Detail:

DMG’s A249 welded tube program includes imperial and metric sizes, from outside diameter 12.7 mm up to 101.6 mm (1/2″ to 4″). Special sizes can be made to order. Our A249 welded tubes are supplied in straight lengths up to 26 meters, or as U-bent tubes, which suitable for boilers, heat exchangers, condenser, feed-water heaters, cooler, muffler, steamer, juice heater, welling and falling-film evaporators.

Material:

TP304, TP304L, TP316L available from stock;

The wide range of other materials such as TP321, TP347H, TP310S

Duplex,S31803, S32205, S32750, S32760, TP439, titanium can be readily prepared on request.

Standards:

ASTM A249 / A249M Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

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).

Packing:

Sea worthy Bundle or Plywood


Product detail pictures:

Manufacturing Companies for Industrial Stainless Steel Pipe -
 A249 Stainless Steel Welded tube – Donghao Metal Group detail pictures

Manufacturing Companies for Industrial Stainless Steel Pipe -
 A249 Stainless Steel Welded tube – Donghao Metal Group detail pictures

Manufacturing Companies for Industrial Stainless Steel Pipe -
 A249 Stainless Steel Welded tube – Donghao Metal Group detail pictures

Manufacturing Companies for Industrial Stainless Steel Pipe -
 A249 Stainless Steel Welded tube – Donghao Metal Group detail pictures


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Adhering into the theory of "quality, services, efficiency and growth", now we have gained trusts and praises from domestic and international shopper for Manufacturing Companies for Industrial Stainless Steel Pipe - A249 Stainless Steel Welded tube – Donghao Metal Group, The product will supply to all over the world, such as: Oman , Finland , French , Be sure to feel cost-free to send us your specs and we are going to respond for you asap. We have got a experienced engineering team to serve for the every single comprehensive needs. Free samples may be sent for yourself personally to know far more facts. So that you can meet your desires, please actually feel cost-free to contact us. You could send us emails and call us straight. Additionally, we welcome visits to our factory from all over the world for much better recognizing of our corporation. nd merchandise. In our trade with merchants of several countries, we often adhere to the principle of equality and mutual advantage. It is our hope to market, by joint efforts, both trade and friendship to our mutual benefit. We look forward to getting your inquiries.
  • This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!
    5 Stars By Roberta from Jakarta - 2015.09.19 18:37
    Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!
    5 Stars By Odelette from Grenada - 2015.03.03 13:09
    
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