No. | Orifice Size (mm) | Cutting Thickness (mm) | Oxygen Pressure (kg/cm²) | Acetylene Pressure (kg/cm²) | Propane Pressure (kg/cm²) |
00 | 0.8 | 0-5 | 1.5 | 0.2 | 0.2 |
0 | 1.0 | 5-10 | 2.0 | 0.2 | 0.2 |
1 | 1.2 | 10-15 | 2.5 | 0.2 | 0.2 |
2 | 1.3 | 15-30 | 3.0 | 0.2 | 0.25 |
3 | 1.4 | 30-40 | 3.0 | 0.2 | 0.25 |
4 | 1.8 | 40-50 | 3.5 | 0.25 | 0.3 |
5 | 2.0 | 50-100 | 4.0 | 0.3 | 0.3 |
6 | 2.4 | 100-150 | 4.0 | 0.35 | 0.4 |
7 | 2.8 | 150-250 | 4.5 | 0.4 | 0.4 |
8 | 3.2 | 250-300 | 4.5 | 0.4 | 0.4 |