| spare parts type | Barrel | material | 38CrMoAIA |
| machinery test report | Provided | video outgoing-inspection | Provided |
| key selling points | Long Service Life | Weight (KG) | 272 |
| Product name | parallel twin screw barrel | screw diameter | 15-300mm |
| Hardness after quenching and tempering | HB260-290 | hardness after nitriding | HV900-1000 |
| depth of nitrided layer | 0.5-0.7mm | surface roughness | Ra 0.4 Um |
| straightness | 0.015mm/m | brittleness after nitriding | ≤second level |
| application machine | extrusion machine | After-sales Service Provided | Online support, Field installation, commissioning and training |