Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 68x8
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 68x8
| Outer diameter | 68 mm |
|---|---|
| Inner diameter | 52* mm |
| Wall thickness | 8 mm |
| Section area | 15.08 cm2 |
| Mass per metre | 11.838 kg/m |
| Section perimeter | 213.628 mm |
| Second moment of area | 69.065 cm4 |
| Elastic section modulus | 20.313 cm3 |
| Plastic section modulus | 28.971 cm3 |
| Radius of gyration | 2.14 cm |
| Torsional constant | 138.13 cm4 |
| Torsional modulus | 40.626 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.