Welcome to our complete guide on cutting various metals with different gases and settings for 3000W fiber laser cutting machine!
In this post, we will explore the ideal cutting parameters for stainless steel, carbon steel, aluminum alloy and brass using nitrogen (N₂), air and oxygen (O₂) as the cutting gas.
Our goal is to help you achieve the best cutting results, whether you are looking for smooth cuts or specific surface finishes.
We will provide a detailed analysis of 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 N 2
| Material | Thickness (mm) |
Gas | air pressure (PUB) |
Speed (m/min) (100*150 focal length) |
Speed (m/min) (100*190 focal length) |
It is made |
| stainless steel | 1 | nitrogen | 12 | 35-45 | 12.0-20.0 | soft |
| two | 14 | 14-16 | 8-12 | soft | ||
| 3 | 16 | 8-9 | 8-9 | soft | ||
| 4 | 16 | 4-5 | 4-5 | soft | ||
| 5 | 18 | 2.5-3.3 | 2.5-3.3 | Shaving your hand | ||
| 6 | 20 | 1.6-2.1 | 1.6-2.1 | Shaving your hand | ||
| 8 | 20 | 0.9-1.2 | 0.9-1.2 | Shaving your 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 (PUB) |
Speed (m/min) (100*150 focal length) |
Speed (m/min) (100*190 focal length) |
It is made |
| Stainless steel | 1 | air | 20 | 38-48 | 14-22 | soft |
| two | 20 | 15-17 | 9-13 | soft | ||
| 3 | 20 | 9-10 | 9-10 | soft | ||
| 4 | 20 | 5-6 | 5-6 | soft | ||
| 5 | 20 | 3-4 | 3-4 | Shaving your hand | ||
| 6 | 20 | 2-2.5 | 2-2.5 | Shaving your hand | ||
| 8 | 20 | 1-1.5 | 1-1.5 | Shaving your hand | ||
| 10 | 20 | 0.7-0.9 | 0.7-0.9 | There are some burrs |
Cutting stainless steel with Ó 2
| Material | Thickness (mm) |
Gas | air pressure (PUB) |
Speed (m/min) (100*125 focal length) |
Speed (m/min) (100*150 focal length) |
It is made |
| Carbon steel | 1 | 1 | 10-16 | 10-16 | Glossy surface | |
| two | 1 | 5.0-8.0 | 5.0-8.0 | Glossy surface | ||
| 3 | 0.85 | 4-4.5 | 4-4.5 | Glossy surface | ||
| 5 | 0.75 | 3-3.5 | 3-3.5 | Glossy surface | ||
| 6 | 0.75 | 1.8-2.2 | 1.8-2.2 | Glossy surface | ||
| 8 | 0.7 | 1.8-2.2 | 1.8-2.2 | Glossy surface | ||
| 10 | 0.7 | 1.1-1.3 | 1.1-1.3 | Semi-gloss surface | ||
| 12 | 0.7 | 0.8-1 | 0.8-1 | frost | ||
| 14 | 0.7 | 0.6-0.8 | 0.6-0.8 | frost | ||
| 16 | 0.7 | 0.5-0.8 | 0.5-0.8 | frost | ||
| 18 | 0.7 | 0.5-0.7 | 0.5-0.7 | frost | ||
| 20 | 0.7 | 0.4-0.6 | 0.4-0.6 | frost | ||
| 22 | 0.7 | 0.3-0.5 | 0.3-0.5 | frost |
Cutting Aluminum Alloy With N 2
| Material |
Thickness (mm) |
Gas | air pressure (PUB) |
Speed (m/min) (100*125 focal length) |
Speed (m/min) (100*150 focal length) |
It is made |
| aluminum alloy | 1 | nitrogen | 12 | 30-35 | 12.0-20.0 | Soft bristle spines |
| two | 14 | 12-14 | 8-12 | Soft bristle spines | ||
| 3 | 14 | 7-7.5 | 7-7.5 | Soft bristle spines | ||
| 4 | 14 | 5-6.5 | 5-6.5 | Soft bristle spines | ||
| 5 | 18 | 3-3.5 | 3-3.5 | Soft bristle spines | ||
| 6 | 20 | 18-2 | 1.8-2 | Soft bristle spines | ||
| 8 | 20 | 0.9-1 | 0.9-1 | Soft bristle spines |
Cutting Aluminum Alloy With Air
| Material |
Thickness (mm) |
Gas | air pressure (PUB) |
Speed (m/min) (100*125 focal length) |
Speed (m/min) (100*150 focal length) |
It is made |
| aluminum alloy | 1 | air | 20 | 30-35 | 12.0-20.0 | Soft bristle spines |
| two | 20 | 12-14 | 8-12 | Soft bristle spines | ||
| 3 | 20 | 7-7.5 | 7-7.5 | Soft bristle spines | ||
| 4 | 20 | 5-6.5 | Soft bristle spines | |||
| 5 | 20 | 3-3.5 | 3-3.5 | Soft bristle spines | ||
| 6 | 20 | 1.8-2 | 1.8-2 | Soft bristle spines | ||
| 8 | 20 | 0.9-1 | 0.9-1 | Soft bristle spines |
Cut Brass With N 2
| Material |
Thickness (mm) |
Gas | air pressure (PUB) |
Speed (m/min) (100*125 focal length) |
Speed (m/min) (100*150 focal length) |
It is made |
| brass | 1 | nitrogen | 12 | 20-30 | 20-30 | soft |
| two | 12 | 10-14.5 | 10-14.5 | soft | ||
| 3 | 14 | 6.2-7 | 6.2-7 | soft | ||
| 4 | 16 | 3-4.5 | 3-4.5 | Shaving your hand | ||
| 5 | 18 | 2-2.8 | 2-2.8 | Shaving your hand | ||
| 6 | 20 | 1.2-1.5 | 1.2-1.5 | Shaving your hand |
Conclusion
In conclusion, understanding the correct cutting parameters for each type of metal and gas combination is crucial to achieving optimal results.
We hope this blog post has provided valuable information and guidance on 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 significantly improve cutting efficiency, reduce waste, and achieve the desired surface finish.
So the next time you're working on a cutting project, refer to this guide and enjoy the best cutting results!
