Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 38x4
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 38x4
| Outer diameter | 38 mm |
|---|---|
| Inner diameter | 30* mm |
| Wall thickness | 4 mm |
| Section area | 4.273 cm2 |
| Mass per metre | 3.354 kg/m |
| Section perimeter | 119.381 mm |
| Second moment of area | 6.259 cm4 |
| Elastic section modulus | 3.294 cm3 |
| Plastic section modulus | 4.645 cm3 |
| Radius of gyration | 1.21 cm |
| Torsional constant | 12.519 cm4 |
| Torsional modulus | 6.589 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.