Tube: round · ДСТУ 8938
ДСТУ 8938 seamless tube 68x12
ДСТУ 8938 - Seamless hot-deformed steel pipes - Technical specification
ДСТУ 8938 68x12
| Outer diameter | 68 mm |
|---|---|
| Inner diameter | 44* mm |
| Wall thickness | 12 mm |
| Section area | 21.112 cm2 |
| Mass per metre | 16.573 kg/m |
| Section perimeter | 213.628 mm |
| Second moment of area | 86.557 cm4 |
| Elastic section modulus | 25.458 cm3 |
| Plastic section modulus | 38.208 cm3 |
| Radius of gyration | 2.025 cm |
| Torsional constant | 173.114 cm4 |
| Torsional modulus | 50.916 cm3 |
* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.