| C/Z purlin sectional size range | |||
| Ch×b×a×t(mm) | Thickness(mm) | Zh×b1×b2×a×t(mm) | Thickness(mm) |
| C80×40×20×t | 2.0-3.0 | Z100 ×50×50×20×t | 2.0-3.0 |
| C80×50×20×t | 2.0-3.0 | Z120 ×50×50×20×t | 2.0-3.0 |
| C100×50×20×t | 2.0-3.0 | Z120 ×58×62×20×t | 2.0-3.0 |
| C120×50×20×t | 2.0-3.0 | Z140 ×50×50×20×t | 2.0-3.0 |
| C120×60×20×t | 2.0-3.0 | Z140 ×60×60×20×t | 2.0-3.0 |
| C140×50×20×t | 2.0-3.0 | Z160 ×50×50×20×t | 2.0-3.0 |
| C140×60×20×t | 2.0-3.0 | Z160 ×60×60×20×t | 2.0-3.0 |
| C160×50×20×t | 2.0-3.0 | Z160 ×67×73×20×t | 2.0-3.0 |
| C160×60×20×t | 2.0-3.0 | Z180 ×60×60×20×t | 2.0-3.0 |
| C160×70×20×t | 2.0-3.0 | Z180 ×67×73×20×t | 2.0-3.0 |
| C180×60×20×t | 2.0-3.0 | Z180 ×70×70×20×t | 2.0-3.0 |
| C180×70×20×t | 2.0-3.0 | Z200 ×57×63×20×t | 2.0-3.0 |
| C200×60×20×t | 2.0-3.0 | Z200 × 70 ×70×20×t | 2.0-3.0 |
| C200×70×20×t | 2.0-3.0 | Z200 ×78×72×20×t | 2.0-3.0 |
| C220×70×20×t | 2.0-3.0 | Z220 ×70×70×20×t | 2.0-3.0 |
| C220×75×20×t | 2.0-3.0 | Z220 ×78×72×20×t | 2.0-3.0 |
| C250×70×20×t | 2.0-3.0 | Z250 ×75×75×20×t | 2.0-3.0 |
| C250×75×20×t | 2.0-3.0 | Z280 × 70 ×70×20×t | 2.0-3.0 |
| C280×70×20×t | 2.0-3.0 | Z300 ×80×80×20×t | 2.0-3.0 |
| C300×80×20×t | 2.0-3.0 | ||
| C300×100×20×t | 2.0-3.0 | ||
|
Punching way |
Mechanism of the hole |
Side screw hole(mm) oblong hole |
Φ14*22 |
| Φ16*25 | |||
| Φ18*22 | |||
| Φ18*26 | |||
|
Middle screw hole(mm) circular hole |
Φ12 | ||
| Φ14 | |||
| Φ16 | |||
|
Manual hole |
Φ12 | ||
| Φ14 | |||
| Φ16 | |||
| Φ18 | |||
| Hole distance | C Purlin | C100-C160 min (h1) | 40mm |
| C180-C300 min (h1) | 60mm | ||
| (h-h1)/2 min | 30mm | ||
| Z Purlin | min (h1) | 50mm |