Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 178x20
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 178x20
| Outer diameter | 178 mm |
|---|---|
| Inner diameter | 138* mm |
| Wall thickness | 20 mm |
| Section area | 99.274 cm2 |
| Mass per metre | 77.93 kg/m |
| Section perimeter | 559.203 mm |
| Second moment of area | 3147.493 cm4 |
| Elastic section modulus | 353.651 cm3 |
| Plastic section modulus | 501.947 cm3 |
| Radius of gyration | 5.631 cm |
| Torsional constant | 6294.985 cm4 |
| Torsional modulus | 707.302 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.