Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 121x4
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 121x4
| Outer diameter | 121 mm |
|---|---|
| Inner diameter | 113* mm |
| Wall thickness | 4 mm |
| Section area | 14.703 cm2 |
| Mass per metre | 11.542 kg/m |
| Section perimeter | 380.133 mm |
| Second moment of area | 251.875 cm4 |
| Elastic section modulus | 41.632 cm3 |
| Plastic section modulus | 54.777 cm3 |
| Radius of gyration | 4.139 cm |
| Torsional constant | 503.75 cm4 |
| Torsional modulus | 83.264 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.