Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 68x6.5
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 68x6.5
| Outer diameter | 68 mm |
|---|---|
| Inner diameter | 55* mm |
| Wall thickness | 6.5 mm |
| Section area | 12.559 cm2 |
| Mass per metre | 9.858 kg/m |
| Section perimeter | 213.628 mm |
| Second moment of area | 60.038 cm4 |
| Elastic section modulus | 17.658 cm3 |
| Plastic section modulus | 24.676 cm3 |
| Radius of gyration | 2.186 cm |
| Torsional constant | 120.075 cm4 |
| Torsional modulus | 35.316 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.