| Copper Tube Type | Applicable diameter | Applicable mold | application |
| light pipe | Φ5mm | Applicable to all molds of Ausen corresponding pipe diameter | Can be applied to all coils |
| Φ6mm | |||
| Φ7mm | |||
| Φ7.94mm | |||
| Φ9.52mm | |||
| Φ12mm | |||
| Φ12.7mm | |||
| Φ15.88mm |
| Copper Tube Type | Applicable diameter | Applicable mold | application |
| Internal thread pipe | Φ5mm | Applicable to all molds of Ausen corresponding pipe diameter | Can be used in evaporators and condensers (to increase the heat exchange area of copper tubes) |
| Φ6mm | |||
| Φ7mm | |||
| Φ7.94mm | |||
| Φ9.52mm | |||
| Φ12.7mm |