Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 40x4.5
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 40x4.5
| Outer diameter | 40 mm |
|---|---|
| Inner diameter | 31* mm |
| Wall thickness | 4.5 mm |
| Section area | 5.019 cm2 |
| Mass per metre | 3.94 kg/m |
| Section perimeter | 125.664 mm |
| Second moment of area | 8.033 cm4 |
| Elastic section modulus | 4.017 cm3 |
| Plastic section modulus | 5.702 cm3 |
| Radius of gyration | 1.265 cm |
| Torsional constant | 16.066 cm4 |
| Torsional modulus | 8.033 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.