Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 40x4
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 40x4
| Outer diameter | 40 mm |
|---|---|
| Inner diameter | 32* mm |
| Wall thickness | 4 mm |
| Section area | 4.524 cm2 |
| Mass per metre | 3.551 kg/m |
| Section perimeter | 125.664 mm |
| Second moment of area | 7.419 cm4 |
| Elastic section modulus | 3.71 cm3 |
| Plastic section modulus | 5.205 cm3 |
| Radius of gyration | 1.281 cm |
| Torsional constant | 14.838 cm4 |
| Torsional modulus | 7.419 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.