Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 70x9
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 70x9
| Outer diameter | 70 mm |
|---|---|
| Inner diameter | 52* mm |
| Wall thickness | 9 mm |
| Section area | 17.247 cm2 |
| Mass per metre | 13.539 kg/m |
| Section perimeter | 219.911 mm |
| Second moment of area | 81.968 cm4 |
| Elastic section modulus | 23.419 cm3 |
| Plastic section modulus | 33.732 cm3 |
| Radius of gyration | 2.18 cm |
| Torsional constant | 163.936 cm4 |
| Torsional modulus | 46.839 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.