Insimbi yesigaba sika-Z iyinsimbi evamile enezindonga ezincane ezakhiwe ngendlela ebandayo.Insimbi yesigaba se-Q235 ne-Q345 Z ngokwejwayelekile.Ngaphezu kwamandla ayo aphezulu nokusebenza okuhle kakhulu njengokonga insimbi, insimbi yesigaba se-Z ilula kakhulu futhi iyashesha ukuyifaka.Isetshenziselwa ikakhulukazi ama-purlins ezakhiwo zesakhiwo sensimbi, ikakhulukazi esakhiweni. ye-span enkulu.Iyingxenye yesibili ethwala imithwalo ohlelweni lwesakhiwo sophahla, edlulisela umthwalo ophahleni kuhlaka lwensimbi.
| Ukucaciswa kwensimbi kwesigaba Z | ||||
| Imodeli No. | h×b×a(mm) | Ubukhulu(mm) | Ibanga lembobo(mm) | Ubude(mm) |
| Z140 | 140×50×20 | 2.0-2.5 | Kuyalungiseka | Ubukhulu obungu-5.8m ku-20GP; 11.8m kwe-40GP/HQ |
| Z160 | 160×60×20 | 2.0-2.5 | Kuyalungiseka | |
| Z180 | 180×70×20 | 2.0-2.5 | Kuyalungiseka | |
| Z200 | 200×70×20 | 2.0-2.5 | Kuyalungiseka | |
| Z220 | 200×75×20 | 2.0-2.5 | Kuyalungiseka | |
| Z250 | 220×75×20 | 2.0-2.5 | Kuyalungiseka | |
