Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 70x4
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 70x4
| Outer diameter | 70 mm |
|---|---|
| Inner diameter | 62* mm |
| Wall thickness | 4 mm |
| Section area | 8.294 cm2 |
| Mass per metre | 6.511 kg/m |
| Section perimeter | 219.911 mm |
| Second moment of area | 45.326 cm4 |
| Elastic section modulus | 12.95 cm3 |
| Plastic section modulus | 17.445 cm3 |
| Radius of gyration | 2.338 cm |
| Torsional constant | 90.651 cm4 |
| Torsional modulus | 25.9 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.