Heat Exchanger Tubes (U-bend or U-shape)
Hydraulic tubes, Hydraulic pipeline, cylinders Pneumatic cylinders, U tube
Check to see more information about U-bend pipes :
Feedwater Heater Tubes Standard:ASME SA556
Chemical Compostion
| Grade |
C % |
Si % |
Mn % |
P % |
S % |
| B2 |
0.27 max |
0.10 min |
0.29-0.93 |
0.030 max |
0.030 max |
| C2 |
0.30 max |
0.10 min |
0.29-1.06 |
0.030 max |
0.030 max |
Mechanical Properties
| Grade |
Tensile Strength MPA |
Yield Strength MPA |
Hardness HRB |
| B2 |
410 min |
260 min |
79 min |
| C2 |
480 min |
280 min |
89 min |
- Each U bend tube of our range is rigorously quality checked by our team of talented professionals on every stage of production to deliver the clients defect free best quality products. These U bend tubes can be custom designed in various diameters as per the requirements of our clients.
- Application: Boilers, heat exchangers, super heaters, condensers
- Production Standard, Grade, Steel No:
- ASTM A688/A688M-Welded Austentic Steel Feedwater Heater Tubes.
- ASTM A 312/213/269,DIN 17458/2462,BS3605/1,JIS, ASME SA556 G3429/3459,ISO1129/2037/9329,GB/T14975/14976/13296 and so on.
- Material:
- TP304,TP304L,TP316,TP316L,TP321,TP310S,TP347H,TP316Ti, Carbon steel, alloys and so on.
- Proces:
- The removal of beads is done as per standard specifications.
- Bead is cold worked.
- It is brought in level with the base metal.
- Before heat treatment on tube mill, bead rolling is made in-line.
- This will help in recrystallization of weld structure.
- The weld structure will also homogenize faster in annealing process.
- Length: unbending length or fix length
- Mill test certificate: according to EN 10204 3.2
- Packing: Wooden cases, bundle or plastic bags, plywood boxes
- Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
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