Competitive Price for Aisi 321 Stainless Steel Round Pipe - Heat Exchanger Tubes – Donghao Metal Group

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To be a result of ours specialty and service consciousness, our enterprise has won an excellent status between buyers all around the globe for T1 Tube , Seamless Tube Price 304 , Control Line Tubing , While using the improvement of society and economy, our corporation will retain a tenet of "Focus on trust, high quality the first", moreover, we count on to make a glorious long run with each and every customer.

Competitive Price for Aisi 321 Stainless Steel Round Pipe - 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).

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To meet the customers' over-expected satisfaction , we have our strong team to provide our best overall service which includes marketing, sales, designing, production, quality controlling, packing, warehousing and logistics for Competitive Price for Aisi 321 Stainless Steel Round Pipe - Heat Exchanger Tubes – Donghao Metal Group, The product will supply to all over the world, such as: Eindhoven , Johannesburg , Amsterdam , Due to the stability of our items, timely supply and our sincere service, we are able to sell our merchandise not only over the domestic market, but also exported to countries and regions, including the Middle East, Asia, Europe and other countries and regions. At the same time, we also undertake OEM and ODM orders. We will do our best to serve your company, and establish a successful and friendly cooperation with you.

306 321 Stainless Steel Tubing