Outside Diameter: 16, 18, 20, 22, 25, 30, 32, 35, 38, 40, 45, 60 mm
Wall Thickness: 1; 1,2; 1,5; 1,8; 2; 2,2; 2,5; 3; 3,5 mm
Notes:
- Steel Grades - RSt 34-2, RSt 37-2, St 44-2
- Length up to 9 м.
| Tubes Sizes |
Outside Diameter ( Nominal Size), mm |
Wall Thickness, mm |
16; 18 |
1,0; 1,2; 1,5 |
20; 22 |
1,0; 1,2; 1,5; 1,8; 2,0 |
25; 30; 32 |
1,0; 1,2; 1,5; 1,8; 2,0; 2,2; 2,5 |
35; 38 |
1,5; 1,8; 2,0; 2,2; 2,5 |
40; 45 |
1,5; 1,8; 2,0; 2,2; 2,5; 3,0 |
60 |
1,8; 2,0; 2,2; 2,5; 3,0; 3,5 |
| Mechanical properties |
Steel Grade |
|
|
Elongation, % (min) |
NBK |
RSt 34-2 |
|
205 |
28 |
RSt 37-2 |
340 - 470 |
235 |
25 |
St 44-2 |
410 - 540 |
255 |
21 |
|
BK |
RSt 34-2 |
330 |
- |
8 |
RSt 37-2 |
390 |
- |
7 |
St 44-2 |
440 |
- |
6 |
GBK |
RSt 34-2 |
300 |
- |
28 |
RSt 37-2 |
315 |
- |
25 |
St 44-2 |
390 |
- |
21 |
| Chemical Composition (%, max) |
Steel Grade |
C |
Si |
Mn |
S |
P |
RSt 34-2 |
0,15 |
0,30 |
0,60 |
0,025 |
0,025 |
RSt 37-2 |
0,17 |
0,30 |
0,70 |
0,025 |
0,025 |
St 44-2 |
0,21 |
0,30 |
1,1 |
0,025 |
0,025 |
|
|