Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 68x4
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 68x4
| Outer diameter | 68 mm |
|---|---|
| Inner diameter | 60* mm |
| Wall thickness | 4 mm |
| Section area | 8.042 cm2 |
| Mass per metre | 6.313 kg/m |
| Section perimeter | 213.628 mm |
| Second moment of area | 41.338 cm4 |
| Elastic section modulus | 12.158 cm3 |
| Plastic section modulus | 16.405 cm3 |
| Radius of gyration | 2.267 cm |
| Torsional constant | 82.677 cm4 |
| Torsional modulus | 24.317 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.