Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 82.5x7
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 82.5x7
| Outer diameter | 82.5 mm |
|---|---|
| Inner diameter | 68.5* mm |
| Wall thickness | 7 mm |
| Section area | 16.603 cm2 |
| Mass per metre | 13.034 kg/m |
| Section perimeter | 259.181 mm |
| Second moment of area | 119.321 cm4 |
| Elastic section modulus | 28.926 cm3 |
| Plastic section modulus | 40.016 cm3 |
| Radius of gyration | 2.681 cm |
| Torsional constant | 238.642 cm4 |
| Torsional modulus | 57.852 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.