Laser Cutting Thickness Guide 2026: Material & Power Chart
Quick Answer: A 1kW fiber laser cuts 6mm carbon steel, while a 6kW cuts 25mm. This guide provides complete thickness charts for all common materials and power levels.
Carbon Steel Thickness Chart
| Laser Power | Max Thickness | Best Quality |
|---|---|---|
| 500W | 3mm | 0-2mm |
| 1kW | 6mm | 0-4mm |
| 2kW | 10mm | 0-8mm |
| 3kW | 16mm | 0-10mm |
| 6kW | 25mm | 0-16mm |
Stainless Steel Thickness Chart
| Laser Power | Max Thickness | Best Quality |
|---|---|---|
| 1kW | 3mm | 0-2mm |
| 2kW | 6mm | 0-4mm |
| 6kW | 16mm | 0-10mm |
How to Choose Based on Your Needs
Small Business (1-2kW): Up to 6mm carbon steel, $15,000-$30,000
Medium Fabrication (3-4kW): Up to 16mm carbon steel, $45,000-$80,000
Industrial Production (6kW+): Up to 25mm+ carbon steel, $80,000-$200,000