TRUMPF12kW
TruLaser 5030 fiberWork Area3000×1500mm
Max Steel50mm
Speed @5mm22 m/min
Price$550,000 - $700,000
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Find the best fiber laser cutting machines for cutting 30mm+ stainless. Compare 11 machines from 10 brands. Pricing from $140,000 to $850,000.
11 machines from 10 manufacturers are capable of processing stainless steel in the over 30mm thickness range. Power distribution across these machines averages 16.0kW (range: 12–20kW), reflecting the laser power requirements for this material-thickness combination.
For stainless steel processing, prioritize: beam quality (BPP) for edge quality, assist gas system capacity (nitrogen pressure rating for oxide-free cuts), and cutting head anti-reflection protection. The machines listed above include verified maximum thickness ratings for this specific material.
Supplier shortlist
Send your material, budget, region, and production requirements. We can help turn this category into a practical supplier shortlist.
| Brand / Model | Power | Work Area | Max Steel | Speed @5mm | Price Range | Origin |
|---|---|---|---|---|---|---|
| TRUMPF TruLaser 5030 fiber | 12kW | 3000×1500 | 50mm | 22 m/min | $550,000 - $700,000 | DE |
| Mitsubishi Electric ML6030eX-F120 | 12kW | 6100×3050 | 40mm | — | $680,000 - $850,000 | JP |
| Koike FIBER PRO 6020 | 15kW | 6000×2000 | 50mm | — | $480,000 - $600,000 | JP |
| Messer Cutting MetalMaster Xcel Fiber | 12kW | 6000×2500 | 45mm | — | $450,000 - $580,000 | US |
| TRUMPF TruLaser 5040 fiber | 20kW | 4000×2000 | 60mm | — | $850,000 - $1,100,000 | DE |
| Bystronic ByStar Fiber 6225 | 15kW | 6200×2500 | 50mm | — | $680,000 - $850,000 | CH |
| Hymson HF6025 Ultra | 20kW | 6000×2500 | 60mm | — | $180,000 - $240,000 | CN |
| Golden Laser GF-4020 Pro | 15kW | 4000×2000 | 45mm | — | $140,000 - $180,000 | CN |
| SENFENG SF6025H Fiber | 20kW | 6000×2500 | 60mm | — | $200,000 - $260,000 | CN |
| DNE Laser D-SOAR 4020 Plus | 15kW | 4000×2000 | 45mm | 18 m/min | $160,000 - $210,000 | CN |
For cutting 30mm+ stainless stainless steel with production-quality edges, a 12kW+ fiber laser is essential for reliable through-cutting. Nitrogen assist gas (10–20 bar pressure) is the standard choice for stainless steel cutting to prevent oxidation and achieve shiny, oxide-free edges suitable for food-grade, pharmaceutical, and architectural applications. Higher laser power improves both speed and edge quality on stainless by maintaining a cleaner melt pool ejection. Our 11 listed machines all meet or exceed the power requirements for this thickness range.
Nitrogen is strongly preferred for stainless steel cutting in most applications. Benefits include: bright, oxide-free edges that require no post-processing, no discoloration or heat tinting, and suitability for food-grade, pharmaceutical, and decorative applications. Nitrogen cutting requires higher laser power (approximately 2× vs. oxygen) but eliminates secondary finishing operations. Oxygen can be used for thicker sections (20mm+) where nitrogen cutting becomes impractical due to power requirements, but produces a dark oxide layer that must be removed for most applications. High-pressure nitrogen (15–20 bar) with a large-diameter nozzle (2–3mm) delivers the best results for production cutting.