Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 68x14
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 68x14
| Outer diameter | 68 mm |
|---|---|
| Inner diameter | 40* mm |
| Wall thickness | 14 mm |
| Section area | 23.75 cm2 |
| Mass per metre | 18.644 kg/m |
| Section perimeter | 213.628 mm |
| Second moment of area | 92.389 cm4 |
| Elastic section modulus | 27.173 cm3 |
| Plastic section modulus | 41.739 cm3 |
| Radius of gyration | 1.972 cm |
| Torsional constant | 184.778 cm4 |
| Torsional modulus | 54.347 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.