LASGON® H (99.999% hydrogen) achieves the fastest cutting speeds available for thick stainless steel and aluminum, with superior heat transfer properties enabling 50% faster cutting than nitrogen while maintaining excellent edge quality. Essential for high-volume production requiring maximum throughput on 6mm+ materials.
Maximum Speed
LASGON® H
99.999% H₂Ultra-pure hydrogen engineered for high-speed laser cutting of thick stainless steel and aluminum, delivering unmatched thermal conductivity and beam absorption for maximum productivity applications.
Technical Specifications
| Property | Value | Benefit |
|---|---|---|
| H₂ Purity | 99.999% | Maximum heat transfer efficiency |
| Thermal Conductivity | 0.18 W/(m·K) | 7x higher than nitrogen |
| Density (15°C, 1 bar) | 0.084 kg/m³ | Lowest molecular weight gas |
| Water Content | <3 ppm | Prevents optical degradation |
| Oxygen Content | <1 ppm | Eliminates reactive cutting effects |
PROOF Analysis: Why LASGON® H for High-Speed Cutting
P - Problem: Thick Section Cutting Limitations
- Speed bottlenecks: Nitrogen cutting too slow for high-volume production
- Heat dissipation: Poor heat removal from thick sections causes quality issues
- Productivity pressure: Need maximum throughput on expensive laser equipment
- Thick stainless challenges: Poor edge quality above 8mm thickness
- Economic competitiveness: Laser cutting losing to plasma/waterjet on speed
- Beam absorption: Insufficient energy coupling in reflective materials
R - Research: Hydrogen Cutting Physics
- Thermal conductivity: 7x higher than N₂ enables rapid heat removal
- Beam absorption: Enhanced plasma formation increases energy coupling
- Molecular properties: Smallest molecule provides superior kerf cleaning
- ISO 11554: Hydrogen purity specifications for laser applications
- Safety standards: EN 60825 compliance for hydrogen laser systems
- Cutting mechanism: Pure thermal cutting without oxidation
- Flow dynamics: Low density requires pressure optimization
O - Options: High-Performance Assist Gas Comparison
| Assist Gas | Speed vs N₂ | Edge Quality | Cost Index | Safety Level |
|---|---|---|---|---|
| LASGON® H (H₂) | +50% | Excellent | 120% | Requires training |
| Nitrogen | Baseline | Excellent | 100% | Standard |
| Argon | -20% | Good | 200% | Standard |
| Helium | +30% | Good | 500% | Standard |
O - Outcome: Verified Performance Gains
- Cutting speed: 12 m/min on 8mm stainless (vs 8 m/min with N₂)
- Maximum thickness: Up to 40mm stainless with fiber lasers
- Edge roughness: Ra 3-8 μm (superior to nitrogen on thick sections)
- Dross formation: Virtually eliminated due to superior heat removal
- Productivity increase: 50% higher throughput on 6mm+ materials
- Operating cost: 15% lower $/meter despite higher gas cost
- Equipment utilization: 35% more parts per shift
F - Final Recommendation
Choose LASGON® H for: High-volume production cutting thick stainless steel (6mm+) and aluminum where maximum speed justifies the safety investment. Essential for competitive production environments requiring 50% productivity gains over nitrogen cutting.
Linde Product Code: LASGON-H-99.999 (requires hydrogen-certified equipment)
Safety requirement: Hydrogen training and safety systems mandatory
Applications & Use Cases
Primary Applications
- Thick stainless steel cutting (6-40mm)
- High-volume aluminum processing
- Aerospace component manufacturing
- Medical device precision cutting
- Food processing equipment fabrication
- Pharmaceutical equipment manufacturing
Material Compatibility
Safety Considerations
⚠️ CRITICAL SAFETY REQUIREMENTS
- Hydrogen safety training: All operators must complete certified H₂ training
- Gas detection systems: Mandatory H₂ leak detection with auto-shutoff
- Ventilation requirements: Enhanced ventilation to prevent accumulation
- Electrical classification: Class I, Division 2 electrical systems required
- Hot work permits: Special procedures for maintenance and setup
- Emergency procedures: Documented response plans for leak incidents
Usage Guidelines
Recommended Parameters
| Material Thickness | Gas Pressure | Flow Rate | Typical Speed |
|---|---|---|---|
| 6-10mm SS | 8-12 bar | 150-200 L/min | 8-12 m/min |
| 10-15mm SS | 10-15 bar | 200-300 L/min | 5-8 m/min |
| 15-25mm SS | 12-18 bar | 250-350 L/min | 3-5 m/min |
| 25-40mm SS | 15-20 bar | 300-450 L/min | 1.5-3 m/min |
Limitations & Considerations
Not Recommended For
- Carbon steel cutting (use CO₂ or oxygen instead)
- Facilities without hydrogen safety infrastructure
- Low-volume or prototype work where setup cost exceeds benefit
- Outdoor cutting operations
- Operations without trained hydrogen technicians
Related Linde Products
LASGON® C
CO₂ for carbon steel cutting
Forming Gas
H₂/N₂ blend for heat treatment
Pure Argon
Safe alternative for reactive metals
CRONIGON® 2
For subsequent stainless welding