Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 82.5x4
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 82.5x4
| Outer diameter | 82.5 mm |
|---|---|
| Inner diameter | 74.5* mm |
| Wall thickness | 4 mm |
| Section area | 9.865 cm2 |
| Mass per metre | 7.744 kg/m |
| Section perimeter | 259.181 mm |
| Second moment of area | 76.182 cm4 |
| Elastic section modulus | 18.468 cm3 |
| Plastic section modulus | 24.67 cm3 |
| Radius of gyration | 2.779 cm |
| Torsional constant | 152.365 cm4 |
| Torsional modulus | 36.937 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.