Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 68x9
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 68x9
| Outer diameter | 68 mm |
|---|---|
| Inner diameter | 50* mm |
| Wall thickness | 9 mm |
| Section area | 16.682 cm2 |
| Mass per metre | 13.095 kg/m |
| Section perimeter | 213.628 mm |
| Second moment of area | 74.276 cm4 |
| Elastic section modulus | 21.846 cm3 |
| Plastic section modulus | 31.572 cm3 |
| Radius of gyration | 2.11 cm |
| Torsional constant | 148.552 cm4 |
| Torsional modulus | 43.692 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.