Z section steel is a common cold-formed thin-walled steel. Q235 and Q345 Z section steel in normal.In addition to its high strength and excellent performance such as steel saving, Z section steel is particularly convenient and quick to install.It is mainly used for the purlins of steel structure buildings, especially for the building of large span.It is a secondary load-bearing component in the roof structure system, which transmits the roof load to the steel frame.
| Z section steel specification | ||||
| Model No. | h×b×a(mm) | Thickness(mm) | Hole distance(mm) | Length(mm) |
| Z140 | 140×50×20 | 2.0-2.5 | Adjustable | Max 5.8m for 20GP;11.8m for 40GP/HQ |
| Z160 | 160×60×20 | 2.0-2.5 | Adjustable | |
| Z180 | 180×70×20 | 2.0-2.5 | Adjustable | |
| Z200 | 200×70×20 | 2.0-2.5 | Adjustable | |
| Z220 | 200×75×20 | 2.0-2.5 | Adjustable | |
| Z250 | 220×75×20 | 2.0-2.5 | Adjustable | |
