Reliable Supplier Astm A269 Stainless Steel Tubing - Tube Bending – Donghao Metal Group Detail:
We can supply high quality bend tubes according to customer’s drawings and requirements. We have advanced machines for bending, stress relieve heat treatment, hydrostatic test machine etc, the smallest radius can be 0.5D, our bend tubes are widely used in pressure vessel and boiler plants.
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).
Standards: A213/A269, A789/A790, EN 10216-5 TC1, ASME SA – 556/556 m
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.
Product detail pictures:



Related Product Guide:
To continually enhance the management technique by virtue of your rule of "sincerely, great faith and high-quality are the base of company development", we widely absorb the essence of similar merchandise internationally, and continuously build new merchandise to meet the demands of customers for Reliable Supplier Astm A269 Stainless Steel Tubing - Tube Bending – Donghao Metal Group, The product will supply to all over the world, such as: Amsterdam , Kyrgyzstan , Philippines , Why we can do these? Because: A, We are honest and reliable. Our items have high quality, attractive price, sufficient supply capacity and perfect service. B, Our geographical position has a big advantage . C, Various types: Welcome your inquiry, It might be highly appreciated.
We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
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