Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 121x20
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 121x20
| Outer diameter | 121 mm |
|---|---|
| Inner diameter | 81* mm |
| Wall thickness | 20 mm |
| Section area | 63.46 cm2 |
| Mass per metre | 49.816 kg/m |
| Section perimeter | 380.133 mm |
| Second moment of area | 840.927 cm4 |
| Elastic section modulus | 138.996 cm3 |
| Plastic section modulus | 206.687 cm3 |
| Radius of gyration | 3.64 cm |
| Torsional constant | 1681.853 cm4 |
| Torsional modulus | 277.992 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.