Plain round header pipe, rectangle header pipe and D type header pipe
Application: air conditioner for automobile .
| Outer Width | 20.4 | 20 | 20 |
| Outer Height | 18 | 20 | 17 |
| Inner Width | 18 | 18 | 18 |
| Inner Height | 15.6 | 18 | 15 |
| Wall Thickness | 1.2 | 1 | 1 |
| Composite Rate | 8~12% | 8~12% | 8~12% |
| Temper | H14 | H14 | H14 |
| Matrix Alloy | 3003, 7095 etc | 3003, 7095 etc | 3003, 7095 etc |
| Composite Layer Alloy | 4343,4045 etc | 4343,4045 etc | 4343,4045 etc |