2017 Good Quality Stainless Steel Welded 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:
Related Product Guide:
Our pursuit and enterprise goal is to "Always satisfy our customer requirements". We keep on to establish and style and design outstanding top quality goods for both our outdated and new prospects and realize a win-win prospect for our clientele likewise as us for 2017 Good Quality Stainless Steel Welded Pipe - A249 Stainless Steel Welded tube – Donghao Metal Group, The product will supply to all over the world, such as: Bhutan , Miami , Maldives , They're durable modeling and promoting well all over the world. Under no circumstances disappearing key functions in a brief time, it's a should for you personally of fantastic quality. Guided by the principle of Prudence, Efficiency, Union and Innovation. the business make an awesome efforts to expand its international trade, raise its enterprise. rofit and improve its export scale. We are confident that we'll have a vibrant prospect and to be distributed all over the world in the years to come.
By Nelly from Muscat - 2015.10.01 14:14
The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
By Mabel from New Zealand - 2015.03.03 13:09