Medium-weight steel pipes made to DIN
2440-78
|
Steel grade: St 33.2
Pipes are suitable for work with nominal pressure
25 for liquids and nominal pressure 10 for air and safety gas.
|
|
Assortment of cold-worked
pipes
|
External diameter
|
Wall thickness
|
Nominal weight,
plain end pipes
|
| mm |
inch (nom.) |
mm |
inch |
kg/m |
|
21,3
|
1/2 |
2,65
|
0,104 |
1,22 |
|
26,9
|
3/4 |
2,65
|
0,104 |
1,58 |
|
33,7
|
1 |
3,25
|
0,128 |
2,44 |
|
42,4
|
1 1/4 |
3,25
|
0,128 |
3.14 |
|
48,3
|
1 1/2 |
3,25
|
0,128 |
3,61 |
|
60,3
|
2 |
3,65
|
0,144 |
5,10 |
|
76,1
|
2 1/2 |
3,65
|
0,144 |
6,51 |
| |
|
| Length
of cold-worked pipes: |
| |
- random from 1,5 m up to 7 m; |
| |
- specified length is subject to agreement. |
Assortment of hot-worked
pipes
|
External diameter
|
Wall thickness
|
Nominal weight,
plain end pipes
|
| mm |
inch (nom.) |
mm |
inch |
kg/m |
| 88,9 |
3 |
4,05 |
0,160 |
8,74 |
| 114,3 |
4 |
4,50 |
0,177 |
12,10 |
| 139,7 |
5 |
4,85 |
0,190 |
16,20 |
| |
|
| Length
of hot-worked pipes: |
| |
- technological length is 6 m±1m;
|
| |
- the length 4-5 m or 7-8 m is allowed;
such pipes are bundled separately (under
10% ofsupplied quantity). |
Notes:
| • |
-Pipes are manufactured with plain ends
without thread (only seamless). |
| • |
-Pipes are supplied with "black"
surface. |
| • |
-Eddy-current test is used to check tightness
of the pipes. |
|
