Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 70x7.5
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 70x7.5
| Outer diameter | 70 mm |
|---|---|
| Inner diameter | 55* mm |
| Wall thickness | 7.5 mm |
| Section area | 14.726 cm2 |
| Mass per metre | 11.56 kg/m |
| Section perimeter | 219.911 mm |
| Second moment of area | 72.941 cm4 |
| Elastic section modulus | 20.84 cm3 |
| Plastic section modulus | 29.438 cm3 |
| Radius of gyration | 2.226 cm |
| Torsional constant | 145.882 cm4 |
| Torsional modulus | 41.68 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.