Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 68x3.5
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 68x3.5
| Outer diameter | 68 mm |
|---|---|
| Inner diameter | 61* mm |
| Wall thickness | 3.5 mm |
| Section area | 7.092 cm2 |
| Mass per metre | 5.567 kg/m |
| Section perimeter | 213.628 mm |
| Second moment of area | 36.99 cm4 |
| Elastic section modulus | 10.879 cm3 |
| Plastic section modulus | 14.575 cm3 |
| Radius of gyration | 2.284 cm |
| Torsional constant | 73.98 cm4 |
| Torsional modulus | 21.759 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.