DIN 17175. Seamless Tubes of Heat-Resistant Steels
Outside Diameter: 25,0 - 76,1 mm
Nominal Wall: 2,0; 2,3; 2,6; 2,9 mm
Wall Thickness: 2,3 - 7,1 mm
Notes:
- Steel Grade - St 35.8
- Dimensions acc. to DIN 2448.
- Length up to 12 m.
- Test certificates according to DIN EN 10204.
- Marine steamboiler pipes production acc. to TRD 102 is available.
|
| Sizes |
Outside Diameter, mm |
Nominal Wall, mm |
Wall Thickness, mm |
25,0 |
2,0 |
2,3; 2,6; 2,9; 3,2; 3,6 |
25,4 |
2,0 |
2,6; 2,9; 3,2; 3,6 |
26,9 |
2,3 |
2,6; 2,9; 3,2; 3,6 |
30,0 |
2,6 |
2,6; 2,9; 3,2; 3,6 |
31,8; 33,7; 38,0; 42,4 |
2,6 |
2,6; 2,9; 3,2; 3,6; 4; 4,5; 5; 5,6; 6,3; 7,1 |
44,5; 48,3; 51,0; 54,0 |
2,6 |
2,9; 3,2; 3,6; 4; 4,5; 5; 5,6; 6,3; 7,1 |
57,0; 60,3; 63,5; 70,0 |
2,9 |
2,9; 3,2; 3,6; 4; 4,5; 5; 5,6; 6,3; 7,1 |
73,0; 76,1 |
2,9 |
2,9; 3,2; 3,6; 4; 4,5; 5; 5,6; 6,3; 7,1 |
| Mechanical properties |
Steel Grade |
Tensile Strength, N/mm2 (min) |
Yield Strength, N/mm2 (min) |
Elongation, % (min) |
St 35.8 |
360 - 480 |
235 |
long. - 25,
trans. - 23 |
| Chemical Composition (%, max) |
Steel Grade |
C |
Si |
Mn |
S |
P |
St 35.8 |
0,17 |
0,35 |
0,40 |
0,040 |
0,040 |
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