Welcome to our comprehensive guide on cutting various metals with different gases and settings for 3000W fiber laser cutting machine!
In this blog post, we’ll explore the optimal cutting parameters for stainless steel, carbon steel, aluminum alloy, and brass using nitrogen (N₂), air, and oxygen (O₂) as the cutting gas.
We aim to help you achieve the best cutting results, whether you are looking for smooth cuts or specific surface finishes.
We’ll provide you with a detailed breakdown of the material thickness, gas, air pressure, and speed for each metal type, ensuring you have all the information you need for a successful cutting process.
Cutting Stainless Steel With N2
| Material | Thickness (mm) | Gas | Air pressure (BAR) | Speed (m/min) (100 * 150 focal length) | Speed (m/min) (100 * 190 focal length) | Effect |
| stainless steel | 1 | nitrogen | 12 | 35-45 | 12.0-20.0 | smooth |
| 2 | 14 | 14-16 | 8-12 | smooth | ||
| 3 | 16 | 8-9 | 8-9 | smooth | ||
| 4 | 16 | 4-5 | 4-5 | smooth | ||
| 5 | 18 | 2.5-3.3 | 2.5-3.3 | Scraping hand | ||
| 6 | 20 | 1.6-2.1 | 1.6-2.1 | Scraping hand | ||
| 8 | 20 | 0.9-1.2 | 0.9-1.2 | Scraping hand | ||
| 10 | 20 | 0.6-0.8 | 0.6-0.8 | There are some burrs |
Cutting Stainless Steel With Air
| Material | Thickness (mm) | Gas | Air pressure (BAR) | Speed (m/min) (100 * 150 focal length) | Speed (m/min) (100 * 190 focal length) | Effect |
| Stainless steel | 1 | air | 20 | 38-48 | 14-22 | smooth |
| 2 | 20 | 15-17 | 9-13 | smooth | ||
| 3 | 20 | 9-10 | 9-10 | smooth | ||
| 4 | 20 | 5-6 | 5-6 | smooth | ||
| 5 | 20 | 3-4 | 3-4 | Scraping hand | ||
| 6 | 20 | 2-2.5 | 2-2.5 | Scraping hand | ||
| 8 | 20 | 1-1.5 | 1-1.5 | Scraping hand | ||
| 10 | 20 | 0.7-0.9 | 0.7-0.9 | There are some burrs |
Cutting Stainless Steel With O2
| Material | Thickness (mm) | Gas | Air pressure (BAR) | Speed (m/min) (100 * 125 focal length) | Speed (m/min) (100 * 150 focal length) | Effect |
| Carbon steel | 1 | 1 | 10-16 | 10-16 | Bright surface | |
| 2 | 1 | 5.0-8.0 | 5.0-8.0 | Bright surface | ||
| 3 | 0.85 | 4-4.5 | 4-4.5 | Bright surface | ||
| 5 | 0.75 | 3-3.5 | 3-3.5 | Bright surface | ||
| 6 | 0.75 | 1.8-2.2 | 1.8-2.2 | Bright surface | ||
| 8 | 0.7 | 1.8-2.2 | 1.8-2.2 | Bright surface | ||
| 10 | 0.7 | 1.1-1.3 | 1.1-1.3 | Semi bright surface | ||
| 12 | 0.7 | 0.8-1 | 0.8-1 | frosting | ||
| 14 | 0.7 | 0.6-0.8 | 0.6-0.8 | frosting | ||
| 16 | 0.7 | 0.5-0.8 | 0.5-0.8 | frosting | ||
| 18 | 0.7 | 0.5-0.7 | 0.5-0.7 | frosting | ||
| 20 | 0.7 | 0.4-0.6 | 0.4-0.6 | frosting | ||
| 22 | 0.7 | 0.3-0.5 | 0.3-0.5 | frosting |
Cutting Aluminum Alloy With N2
| Material | Thickness (mm) | Gas | Air pressure (BAR) | Speed (m/min) (100 * 125 focal length) | Speed (m/min) (100 * 150 focal length) | Effect |
| aluminum alloy | 1 | nitrogen | 12 | 30-35 | 12.0-20.0 | Soft bristle prickle |
| 2 | 14 | 12-14 | 8-12 | Soft bristle prickle | ||
| 3 | 14 | 7-7.5 | 7-7.5 | Soft bristle prickle | ||
| 4 | 14 | 5-6.5 | 5-6.5 | Soft bristle prickle | ||
| 5 | 18 | 3-3.5 | 3-3.5 | Soft bristle prickle | ||
| 6 | 20 | 18-2 | 1.8-2 | Soft bristle prickle | ||
| 8 | 20 | 0.9-1 | 0.9-1 | Soft bristle prickle |
Cutting Aluminum Alloy With Air
| Material | Thickness (mm) | Gas | Air pressure (BAR) | Speed (m/min) (100 * 125 focal length) | Speed (m/min) (100 * 150 focal length) | Effect |
| aluminium alloy | 1 | air | 20 | 30-35 | 12.0-20.0 | Soft bristle prickle |
| 2 | 20 | 12-14 | 8-12 | Soft bristle prickle | ||
| 3 | 20 | 7-7.5 | 7-7.5 | Soft bristle prickle | ||
| 4 | 20 | 5-6.5 | Soft bristle prickle | |||
| 5 | 20 | 3-3.5 | 3-3.5 | Soft bristle prickle | ||
| 6 | 20 | 1.8-2 | 1.8-2 | Soft bristle prickle | ||
| 8 | 20 | 0.9-1 | 0.9-1 | Soft bristle prickle |
Cutting Brass With N2
| Material | Thickness (mm) | Gas | Air pressure (BAR) | Speed (m/min) (100 * 125 focal length) | Speed (m/min) (100 * 150 focal length) | effect |
| brass | 1 | nitrogen | 12 | 20-30 | 20-30 | smooth |
| 2 | 12 | 10-14.5 | 10-14.5 | smooth | ||
| 3 | 14 | 6.2-7 | 6.2-7 | smooth | ||
| 4 | 16 | 3-4.5 | 3-4.5 | Scraping hand | ||
| 5 | 18 | 2-2.8 | 2-2.8 | Scraping hand | ||
| 6 | 20 | 1.2-1.5 | 1.2-1.5 | Scraping hand |
Conclusion
In conclusion, understanding the right cutting parameters for each type of metal and gas combination is crucial for achieving optimal results.
We hope this blog post has provided you with valuable insights and guidance on the best practices for cutting stainless steel, carbon steel, aluminum alloy, and brass using nitrogen, air, and oxygen as the cutting gas.
By applying the recommended settings and techniques, you can greatly improve your cutting efficiency, reduce waste, and achieve the desired surface finish.
So, the next time you’re working on a cutting project, be sure to reference this guide and enjoy the improved cutting outcomes!
