Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 68x4.5
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 68x4.5
| Outer diameter | 68 mm |
|---|---|
| Inner diameter | 59* mm |
| Wall thickness | 4.5 mm |
| Section area | 8.977 cm2 |
| Mass per metre | 7.047 kg/m |
| Section perimeter | 213.628 mm |
| Second moment of area | 45.475 cm4 |
| Elastic section modulus | 13.375 cm3 |
| Plastic section modulus | 18.176 cm3 |
| Radius of gyration | 2.251 cm |
| Torsional constant | 90.949 cm4 |
| Torsional modulus | 26.75 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.