Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 40x2.5
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 40x2.5
| Outer diameter | 40 mm |
|---|---|
| Inner diameter | 35* mm |
| Wall thickness | 2.5 mm |
| Section area | 2.945 cm2 |
| Mass per metre | 2.312 kg/m |
| Section perimeter | 125.664 mm |
| Second moment of area | 5.2 cm4 |
| Elastic section modulus | 2.6 cm3 |
| Plastic section modulus | 3.521 cm3 |
| Radius of gyration | 1.329 cm |
| Torsional constant | 10.4 cm4 |
| Torsional modulus | 5.2 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.