Overview – Unlock the Potential of Stainless Steel Fabrication
Stainless steel is the material of choice for industries that demand corrosion resistance, high strength, and hygienic surfaces – from medical devices and food processing equipment to architectural cladding and marine components. But fabricating stainless steel requires precision. Traditional methods often cause warping, discoloration, or compromised corrosion resistance.
YIHAI’s stainless steel sheet metal laser cutting machine is engineered specifically to overcome these challenges. With ±0.02mm/m positioning accuracy, a focused beam that minimizes heat input, and advanced gas control, our machines produce clean, burr‑free edges without degrading the material’s inherent properties.
Why fabricators choose YIHAI for stainless steel:
No thermal distortion
narrow kerf and small heat‑affected zone preserve flatness.
Any grade, any finish
cut 301, 304, 316, mirror‑polished, brushed, and No.4 finishes.
Anti‑reflective cutting
stable cutting of reflective stainless steel without back‑damage.
Clean edges
nitrogen cutting eliminates oxide scale, ready for welding or finishing.
Technical Specifications – Stainless Steel Cutting Capacity
| Model | YL‑3015P | YL‑4020P | YL‑6025P |
|---|---|---|---|
| Laser Power | 1kW / 2kW / 3kW | 3kW / 6kW / 8kW | 8kW / 12kW / 20kW |
| Cutting Area | 3000 x 1500 mm | 4000 x 2000 mm | 6000 x 2500 mm |
| Positioning Accuracy | ±0.02 mm/m | ±0.02 mm/m | ±0.03 mm/m |
| Repeat Positioning Accuracy | ±0.01 mm | ±0.01 mm | ±0.02 mm |
| Max. Stainless Steel Thickness (N₂ cutting) | 8 mm | 15 mm | 30 mm |
| Max. Stainless Steel Thickness (O₂ cutting) | 16 mm | 25 mm | 40 mm |
| Edge Quality | dross‑free, minimal oxide | dross‑free | dross‑free |
Stainless Steel Laser Cutting Reference Chart
| Laser Power | Clean Cut (N₂) – Max Thickness | Oxide Cut (O₂) – Max Thickness | Typical Speed (2mm SS, N₂) |
|---|---|---|---|
| 1 kW | ≤ 8 mm | ≤ 16 mm | 8‑10 m/min |
| 3 kW | ≤ 15 mm | ≤ 25 mm | 12‑15 m/min |
| 6 kW | ≤ 20 mm | ≤ 30 mm | 18‑22 m/min |
| 12 kW | ≤ 30 mm | ≤ 40 mm | 25‑30 m/min |
- Laser Series, Sheet Laser Cutting Machine
1500W-12Kw Exchange Platform Laser Cutting Machine
$14,800.00Original price was: $14,800.00.$13,900.00Current price is: $13,900.00. - Laser Series, Tube Laser Cutting Machine
6000W Laser Tube Cutting Machine With feeding device
$28,750.00Original price was: $28,750.00.$26,800.00Current price is: $26,800.00. - Laser Series, Tube Laser Cutting Machine
Factory Outlet Laser Tube Cutting Machine For Metal Tube
$26,800.00Original price was: $26,800.00.$24,900.00Current price is: $24,900.00. - Laser Series, Sheet Laser Cutting Machine
Hot Sale Laser Cutting Machine 6000w Laser Cutter
$19,500.00Original price was: $19,500.00.$19,100.00Current price is: $19,100.00.
Core Configurations – Built for Precision Sheet Metal Cutting
We integrate top components to ensure stable, accurate cutting on sheet metal day after day.

Premium Laser Source
IPG, Max, or Raycus fiber laser. High efficiency and excellent beam quality (M² < 1.1) deliver clean, narrow kerfs.

High‑Rigidity Welded Bed
Stress‑relieved and annealed. Finite element analysis (FEA) minimizes deformation during high‑speed sheet traversal.

Smart Cutting Head
Auto focus, collision protection, and real‑time gap sensing. Perfect for thin and thick sheet metal.

Industrial CNC Control
CypCut or Beckhoff with intuitive sheet nesting software. Supports DXF, DWG, and AI files. Nesting can reduce material waste by up to 20%.
Stainless Steel Grades We Cut – Ready for Any Finish
Our laser cutting machines handle all common stainless steel grades and surface finishes without extra tooling.
| Grade | Key Properties | Typical Applications | Surface Compatibility |
|---|---|---|---|
| 301 Stainless Steel | High strength, good ductility | Springs, structural components, stampings | 2B, No.4, mirror |
| 304 Stainless Steel | Excellent corrosion resistance, formable | Kitchen equipment, enclosures, chemical tanks | 2B, BA, No.4, mirror |
| 304 #4 Brushed | Satin finish, hides scratches | Elevators, handrails, food prep surfaces | Brushed finish preserved |
| 304 #8 Mirror Polish | Reflective, decorative | Architectural panels, luxury appliances | Mirror finish preserved |
| 316 / 316L Stainless Steel | Superior corrosion resistance, marine grade | Medical devices, marine hardware, pharmaceutical equipment | 2B, No.4, mirror |
| 316 #4 Brushed | Hygienic, easy to clean | Surgical tables, food processing belts | Brushed finish preserved |
How We Build a Precision Sheet Metal Laser Cutter
Transparency builds trust. Here is exactly how we assemble and test your machine:
Not sure which power or configuration fits your sheet metal fabrication needs? Tell us your typical materials, thickness range, and production volume – we will recommend the optimal machine for your ROI.
Why YIHAI?
Factory‑direct pricing
Customizable cutting area and power
Fast delivery: 15‑25 days for standard models
24/7 technical support, even before purchase
1. Precision Welding & Stress Relieving
Robotic welding followed by vibration stress relief or furnace annealing to eliminate residual stress.
2. 5‑Axis Machining of Rail Surfaces
The entire bed is machined on a large gantry mill. Rail mounting surfaces achieve flatness ≤0.02mm per meter.
3. Rail & Rack Installation
Hiwin or THK rails and helical racks are installed using a laser tracker for perfect parallelism.
4. Optical & Electrical Integration
Laser source, cutting head, chiller, and CNC cabinet are connected and beam‑aligned.
5. Full System Testing
24h accuracy run
72h burn‑in with sheet metal cutting
Final edge quality and tolerance inspection
Only after passing every stage does the machine receive its serial number and final release.
Why Laser Cutting Is the Right Choice for Stainless Steel
Traditional shearing, plasma, or sawing can compromise stainless steel’s unique properties. Here’s how our laser cutter preserves them:
| Stainless Steel Property | How Laser Cutting Preserves It | Benefit to Your Shop |
|---|---|---|
| Corrosion Resistance | No mechanical stress or contamination; nitrogen cutting avoids oxide scale. | Parts resist rust even in marine or chemical environments. |
| High Strength | No work hardening from mechanical shearing; heat‑affected zone is minimal. | Structural integrity remains – no micro‑cracks. |
| Hygienic Surface | Clean, burr‑free edges reduce bacterial traps. | Perfect for medical, food, and pharmaceutical applications. |
| Heat Resistance | Narrow kerf means very little heat input; base material properties unchanged. | Parts survive high‑temperature environments (exhaust, ovens). |
| Ductility | No deformation or edge curling – laser cuts without mechanical force. | Complex shapes and tight radii are achievable. |
| Durability | No micro‑structural damage at the cut edge. | Long‑lasting parts in demanding applications. |
Stainless Steel Laser Cutting Sample



Surface Finishing – From Laser Cut to Final Finish
We don’t just cut stainless steel – we help you understand how to finish it. After laser cutting, you can apply any of these surface treatments:
| Finishing Process | Description | Benefit After Laser Cutting |
|---|---|---|
| Polishing | Mechanical abrasion to achieve mirror or satin finish | Laser‑cut edge is already clean; polishing time reduced. |
| Electroplating | Adds a metallic layer (e.g., nickel, chromium) | Laser edge is oxide‑free, ensuring better adhesion. |
| Passivation | Acid bath to restore chromium‑oxide layer | Removes any free iron; restores full corrosion resistance. |
| Sandblasting | Matte, uniform surface texture | Hides any minor scratches; creates a non‑reflective finish. |
| Powder Coating | Protective colored coating | Laser edge is smooth; coating won’t flake at corners. |
| Brushing | Linear grain pattern (No.4 finish) | Laser cutting does not disturb the existing brushed finish. |
Quality Assurance – Beyond ISO Certifications
Quality Compliance
Laser source, cutting head, servos, and chiller are logged with serial numbers and test certificates. A full traceability report is available.
- CE (Machinery Directive 2006/42/EC)
- FDA (CDRH compliance for Class 4 laser products)
- ISO 9001:2015 manufacturing process certification
Complete Quality Report
Using a laser interferometer, we verify positioning accuracy across the entire sheet metal cutting area. Only machines within ±0.02mm/m pass.
- Laser interferometer (accuracy: ±0.5 ppm)
- Power meter (NIST traceable)
- Hardness tester & surface roughness tester
Advanced Testing Facilities
Using a laser interferometer, we verify positioning accuracy across the entire sheet metal cutting area. Only machines within ±0.02mm/m pass.
We can provide a sample Factory Acceptance Test (FAT) report showing actual measurements from your machine before shipping.
Applications – What Stainless Steel Fabricators Cut
Our Stainless Steel laser cutters are trusted by job shops and manufacturers worldwide. Here are typical parts they produce:

Food & Beverage
Commercial kitchen countertops, backsplashes Conveyor system parts, food chutes Brewery and dairy equipment panels

Architectural & Construction
Elevator door panels (mirror or brushed finish) Handrails, balustrades, decorative screens Building cladding and column covers

Industrial Equipment
Control cabinets, electrical enclosures, Machine guards, hoppers, chutes, Custom fabrication for OEMs

Medical & Pharmaceutical
Surgical instrument trays, sterilizer racks, MRI / CT scanner enclosures, Pharmaceutical cart and table components (316L)
Frequently Asked Questions
Q1: Can your laser cutter cut 316L stainless steel without affecting its corrosion resistance?
A: Yes. Using nitrogen as the assist gas, our laser cuts 316L with a clean, oxide‑free edge. The heat‑affected zone is minimal, and the material retains its full corrosion resistance. We recommend passivation after cutting for maximum performance.
Q2: Will laser cutting damage a #4 brushed or mirror finish on stainless steel?
A: No. Because laser cutting is a non‑contact process, it does not scratch or mar the surface. The finish remains intact. However, we recommend protecting the finished side with film during handling.
Q3: What thickness of stainless steel can a 3kW laser cut cleanly?
A: With nitrogen assist gas, 3kW cuts up to 15mm stainless steel with a clean, dross‑free edge. For thicker material (up to 25mm), you can use oxygen assist, but that will leave a thin oxide layer that can be removed by passivation.
Q4: How do I choose between 1kW, 3kW, or 6kW for stainless steel work?
A:
1kW – ideal for ≤8mm stainless steel (medical, kitchen, thin enclosures).
3kW – most popular for general fabrication (≤15mm stainless steel).
6kW – for high‑volume cutting of 20‑25mm stainless steel or faster speeds on thin sheet.
Q5: Do you offer a sample cutting service?
A: Absolutely. Send us a CAD drawing or a physical stainless steel sheet (max 300x300mm). We will cut your part, take edge quality photos, and ship the sample back to you – free of charge.
Q6: What is the warranty on your stainless steel laser cutting machine?
A: 2 years for the machine (excluding consumables) and 3 years for the laser source. On‑site service is available within 48 hours in major industrial regions.
