Factory supplied 2507 Stainless Steel Pipe - A249 Stainless Steel Welded tube – Donghao Metal Group

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Bear "Customer 1st, Good quality first" in mind, we work closely with our prospects and supply them with efficient and professional services for Seamless Stainless Steel Pipes , Stainless Precision Tube , Stainless Steel Condenser Tube , In addition, we would properly guide the customers about the application techniques to adopt our products and the way to select appropriate materials.
Factory supplied 2507 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:

Factory supplied 2507 Stainless Steel Pipe -
 A249 Stainless Steel Welded tube – Donghao Metal Group detail pictures

Factory supplied 2507 Stainless Steel Pipe -
 A249 Stainless Steel Welded tube – Donghao Metal Group detail pictures

Factory supplied 2507 Stainless Steel Pipe -
 A249 Stainless Steel Welded tube – Donghao Metal Group detail pictures

Factory supplied 2507 Stainless Steel Pipe -
 A249 Stainless Steel Welded tube – Donghao Metal Group detail pictures


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"Quality very first, Honesty as base, Sincere assistance and mutual profit" is our idea, in an effort to create consistently and pursue the excellence for Factory supplied 2507 Stainless Steel Pipe - A249 Stainless Steel Welded tube – Donghao Metal Group, The product will supply to all over the world, such as: Swedish , Angola , Chicago , With the effort to keep pace with world's trend, we will always endeavor to meet customers' demands. If you want develop any other new products, we can customize them for you. If you feel interest in any of our products or want develop new products, please feel free to contact us. We are looking forward to forming successful business relationship with customers all over the world.
  • The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Ruth from St. Petersburg - 2015.04.25 16:46
    The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Nicole from Bulgaria - 2016.12.09 14:01
    
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