Application: Used in Boiler Heat Ex-changers, Fluid, Gas and Oil Transport, Pressure and Heat Transmission, Construction and Ornament, Elaborate designs available as per customers' requirements.Our U bends are suitable to return the flow of coolants/fluids at 180 degree in a much smaller space. The straight tubes are strictly implements the standard specifications and the customers' drawings requirements.
Materials:Stainless Steel,Carbon Steel,Copper and Copper Alloy,Inconel & Incoloy and so on.
Size range: OD 6 - 273 mm, WT 0.5 - 35.0 mm, Length = < 25, 000mm
U Tube's manufacturing process:
Raw material → Grinding → End Level → Colding Rolling → Deoiling → Solution Treatment→
Straightening →Cut to length →Picking → Surface Passivation → Inspection → NDT/HT → Packing→
Testing →U Bending→Packing → Shipping.
1. Appearance Inspection;
2. Dimensional Inspection;
3. Chemical Composition Testing;
4. Mechanical Properties Testing;
5. PWHT (Solution Annealing) of U-Bend+300mm of straight length after Bending at about 680 C Holding time 5 to 7 Seconds.
6. 100% Hydrostatic test after Bending;
7. According to client’s requirement...