Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 68x13
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 68x13
| Outer diameter | 68 mm |
|---|---|
| Inner diameter | 42* mm |
| Wall thickness | 13 mm |
| Section area | 22.462 cm2 |
| Mass per metre | 17.633 kg/m |
| Section perimeter | 213.628 mm |
| Second moment of area | 89.681 cm4 |
| Elastic section modulus | 26.377 cm3 |
| Plastic section modulus | 40.057 cm3 |
| Radius of gyration | 1.998 cm |
| Torsional constant | 179.362 cm4 |
| Torsional modulus | 52.754 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.