Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 68x5.5
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 68x5.5
| Outer diameter | 68 mm |
|---|---|
| Inner diameter | 57* mm |
| Wall thickness | 5.5 mm |
| Section area | 10.799 cm2 |
| Mass per metre | 8.477 kg/m |
| Section perimeter | 213.628 mm |
| Second moment of area | 53.139 cm4 |
| Elastic section modulus | 15.629 cm3 |
| Plastic section modulus | 21.54 cm3 |
| Radius of gyration | 2.218 cm |
| Torsional constant | 106.278 cm4 |
| Torsional modulus | 31.258 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.