Low Heat Exchanger U Tube , Seamless Stainless Steel U Bend Superheater Tube

ASTM A213 TP321 / 321H , Seamless Stainless Steel U Bend Superheater Tube

ASTM A213/A213M : Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

U-Bend Tubes are accordance with the Following Standards:

1.    ASTM A688/ASME SA688

2.    ASTM A803/ASME SA803

3.    ASTM A556/ASME SA556

Steel Grade:

Straight Tubes Maximum Length:

(Before Bending): 35000 mm.

Unit  Leg Length

Min 1 Meter, Max. 16500 mm (For Max R=1500mm)

Heat Treatment

Stress Relieved After U-Bending (Bending Area Plus 300MM For Each Leg).

Hydrostatic Test After U Bending

Maximum Test Pressure 600 Bar, Holding time: 10 Sec. 

Medium: Dematerialized Water. 

Compressed Air Cleaning After Hydro-Test.

Packaging 

In Strong Transport-Worthy Pre-fumigated wooden boxes of corresponding dimensions for 

each tube Length, Radius, Diameter, According To PO requirements as well as wrapped In polyethylene 

films With soft plastic caps on both end of Tube.

General Quality Tests

Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include: