Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 68x7
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 68x7
| Outer diameter | 68 mm |
|---|---|
| Inner diameter | 54* mm |
| Wall thickness | 7 mm |
| Section area | 13.415 cm2 |
| Mass per metre | 10.53 kg/m |
| Section perimeter | 213.628 mm |
| Second moment of area | 63.216 cm4 |
| Elastic section modulus | 18.593 cm3 |
| Plastic section modulus | 26.161 cm3 |
| Radius of gyration | 2.171 cm |
| Torsional constant | 126.433 cm4 |
| Torsional modulus | 37.186 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.