| The tubes are used for steam boilers
and pipelines, instalations with high and superficial steamparameters,
made of rolled, forged, turned-through and bored blanks from corbon
and alloyed steel grades.
Technical requirements are similar to those in
A106 Grade B, DIN 2448/17175 Grade 35, 45.
Below you can see size ranges of
boilers tubes
| Outside
diameter |
Wall
thickness |
|
(mm)
|
(inches)
|
(mm)
|
10
- 70
57 - 102
83 - 114
152 - 325 |
1/8 - 2 1/2
1 1/2 - 3 1/2
3 - 4
5 - 12
|
2-
13
4 - 18
9 - 26
11- 42 |
Transporting.
The tubes are delivered in 4 - 12 m lengths,
lashed into boundles of up to 5 ton weight.
Quality control.
Pipes ends can be cut off and be without burrs.
Hydraulic pressure test is accompleshed for tube metal strenghth control.
|