6x12 Fiber Laser Cutter Table 6000W for Metal Fabrication

Thick metal fabrication is an indispensable part of industrial manufacturing. In the era of pursuing high-speed and high-precision metal cutting, traditional mechanical cutting tools such as slower water jet cutters and rougher plasma cutters can no longer keep up with the pace of modern metal manufacturing. At this time, a more efficient thick metal cutting tool came into being - high power fiber laser cutting machine, which is an ideal choice for high-quality metalworking.

6000W fiber laser cutter is a metal cutting tool that use a high-power laser beam to cut out complex shapes and profiles from metals such as steel, aluminum, and brass with high precision and high speed, resulting in clean and smooth edges. A higher-powered 6KW laser cutter can cut through thicker metals and achieve high-quality finishes in a shorter amount of time compared to lower-powered laser metal cutting systems.

ST-FC4020GA fiber laser metal cutting machine features with larger full-size 6x12 working table, faster cutting speed, higher laser power - 6000W (2000W, 3000W, 4000W, 8000W, 12000W, 20000W, and 40000W for option), and higher cutting quality, compared with other metal cutting tools. The state-of-the-art IPG laser generator, combined with user-friendly and easy-to-use CNC cutting software, and high-strength welded body (made of standard heat treatment and large CNC milling machine), as well as a fully enclosed fireproof and dustproof safety protection housing, make it the ideal choice for most metal fabricators.

6000W fiber laser cutter is a professional high-power laser metal cutting machine that works with an automatic CNC controller to easily cut through carbon steel up to 25mm thick, stainless steel up to 18mm thick, aluminum up to 16mm thick, copper and brass up to 10mm thick, with a maximum speed of over 60 meters per minute. All in all, 6000 watts of laser power is more than enough to handle most metal cuts.

Features & Advantages

• Heavy-duty machine bed design ensures stability, robustness, and durability.

• The optical path system is stable and reliable, supporting continuous cutting operations.

• Equipped with a user-friendly CNC control system—simple and safe to operate, ideal for beginners, and designed to facilitate automated metal processing.

• Features an internationally renowned IPG fiber laser with a service life exceeding 100,000 hours, offering both high performance and low operating costs.

• Delivers excellent cutting quality with high precision and efficiency; achieves cutting speeds of up to 60 meters per minute, producing smooth, clean edges.

• Utilizes high-precision servo motors, ball screws, and guide rails from well-known brands to ensure efficiency and accuracy, while enhancing overall stability and reliability.

• Includes a 6x12 ft (approx. 1.8m x 3.6m) work table, capable of handling full-sized sheets to meet the needs of both small businesses and industrial-scale production.

• Equipped with a 6000-watt high-power laser, capable of cutting the vast majority of metal sheet materials.

Specifications

Details

A 6000W high-power fiber laser metal cutting machine on display in the factory.

High-precision 6000W IPG fiber laser generator.

German Precitec ProCutter laser cutting head with automatic focusing.

User-friendly and easy-to-use CNC controller software.

Automatic exchange pallet with chain transmission.

Dual cutting tables allow for simultaneous operation: while one table is actively cutting, the operator can load metal sheets onto the other, enabling continuous cutting and saving time.

An optional rotary attachment is available for cutting metal pipes (Model: ST-FC4020GAR).

Applied Materials

The 6000W fiber laser cutting machine can easily cut a wide variety of metal sheets, including stainless steel, mild steel, carbon steel, alloy steel, spring steel, iron, galvanized iron, galvanized steel, aluminum, copper, brass, bronze, gold, silver, and titanium. With an optional rotary device, it can also cut various types of metal pipes and tubes.

Applied Industries

High-power fiber laser metal cutting machines are widely used across various sectors, including the production of signage, billboards, LED illuminated lettering, kitchenware, metal lettering, sheet metal fabrication, metal components, metal tags, hardware products, enclosures and cabinets, metal art and crafts, elevator panels, automotive parts, eyeglass frames, electronic components, and nameplates.

The integrated sheet-and-tube fiber laser metal cutting machine features a horizontal mechanical design, enabling versatile cutting of both metal sheets and tubes, with a convenient system for switching between work areas. This equipment is capable of cutting not only round and square tubes but also performing drilling and cutting operations on pre-formed enclosures.

• Cutting holes or lines of various diameters from different directions.

• Cutting beveled edges at the ends of tubes.

• Cutting branch tubes that intersect with a main round tube.

• Cutting square, slotted (oblong), and circular holes into tubes.

• Cutting various shapes and contours onto the surfaces of square tubes.

• Cutting metal sheets of various dimensions.

• Performing drilling and cutting operations on pre-formed enclosures.

Projects

6kW Laser Cutting Project for Thick Metal.

6kW Laser Cutting Project for Thin Metals.

How Laser Power Affects Cutting Thickness Across Different Metals

Laser power is the primary factor determining how thick a fiber laser can cut, but the relationship between wattage and maximum thickness varies dramatically by metal type. Carbon steel is the easiest material to process because oxygen assist gas creates an exothermic reaction that supplements the laser energy, enabling a 6000W system to cut up to 25mm. Stainless steel behaves differently since nitrogen assist gas is typically used for clean, oxide-free edges, limiting maximum thickness to approximately 16 to 20mm at 6000W. Aluminum presents the greatest challenge due to its high thermal conductivity and reflectivity, restricting practical cutting to 10 to 16mm even at 6kW power levels.

Experienced fabricators know that the thickest possible cut is rarely the most profitable cut. Edge quality, speed, and gas consumption degrade significantly as thickness approaches the machine's upper limit. For most production environments, selecting a power level that handles 80% to 90% of daily work at optimal speed yields better ROI than choosing the highest wattage available. A detailed breakdown of fiber laser cutting thickness, speed, and power parameters helps operators match real-world cutting data to their production mix.

Exchange Pallet Systems and Their Impact on Production Throughput

A high-power fiber laser cutter only delivers maximum ROI when the laser head spends the majority of its operating hours actually cutting, not waiting for operators to load and unload material. Exchange pallet (shuttle table) systems solve this bottleneck by allowing one table to be loaded with fresh sheet metal while the laser cuts on the other table. When the cut cycle completes, the tables swap positions in under 10 seconds, and cutting resumes immediately.

For shops processing full-size 6x12 (2000mm x 4000mm) sheets of heavy plate steel, manual loading and alignment can consume 5 to 15 minutes per sheet. Over an 8-hour shift cutting 20mm carbon steel, a single exchange table can recover 60 to 90 minutes of productive laser time per day. This time recovery becomes especially significant with higher power machines where individual cut cycles are shorter and the ratio of loading time to cutting time increases. Understanding the main components of a fiber laser cutting machine clarifies how the exchange table integrates with the enclosure, fume extraction, and CNC controller to form a complete automated workflow.

Fiber Laser vs. Plasma Cutting for Thick Metal Fabrication

Metal fabrication shops evaluating thick-plate cutting capacity face a recurring comparison: fiber laser versus plasma. Both technologies cut steel, aluminum, and stainless steel, but they excel in different thickness ranges and quality requirements. Plasma cutters deliver fast rough cuts on material thicker than 25mm at a lower equipment cost, but the heat-affected zone (HAZ) is wider, edges require secondary grinding, and dimensional tolerances typically fall within plus or minus 0.5mm.

A 6000W fiber laser produces a narrower kerf (0.2 to 0.4mm), tighter tolerances (plus or minus 0.1mm), and cleaner edges that often require no post-processing. On carbon steel up to 20mm, the fiber laser matches or exceeds plasma cutting speed while delivering far superior edge quality. Beyond 25mm, plasma remains more cost-effective for structural work where cosmetic edge finish is secondary. A comprehensive comparison of laser cutting vs. plasma cutting outlines the technical trade-offs for each thickness range, and shops seeking guidance on different cutting technologies can explore the full overview of laser cutting system types to understand where fiber lasers fit within the broader equipment landscape.

How Much does a 6000W Laser Cutting Machine Cost?

A 6000W fiber laser metal cutting machine with basic configuration starts at $50,000, while the top configuration is as high as $108,000. In short, the average cost of a high-power 6KW laser cutting machine is around $78,000 in 2026.

How to Buy a High-Powered 6000W Laser Cutting Machine for Metal Fabrication?

Purchasing a 6000W high-power laser metal cutter that fits your needs and budget is not accomplished in one fell swoop and requires a lot of consideration. Here are 6 easy-to-follow steps to help you buy an ideal cutter for your business.

• Step 1. Start by determining your specific cutting needs, such as the type of metal, width, length, thickness, and required speed.

• Step 2. Research reputable manufacturers and suppliers, comparing features, specifications, costs, and customer reviews.

• Step 3. Consider the cutter's warranty, service, and availability of replacement parts.

• Step 4. Request quotes from multiple vendors, making sure you understand the total cost, including shipping and installation.

• Step 5. Ask about training and technical support options.

• Step 6. Once you've gathered all the necessary information, make an informed decision based on your budget and requirements, and visit a showroom or facility to inspect a laser metal cutter working with 6KW fiber laser power option in action before finalizing your purchase.

Frequently Asked Questions

How thick can a 6000W fiber laser cut carbon steel?

A 6000W fiber laser cuts carbon steel up to 25mm thick using oxygen assist gas. Practical production cutting with clean edge quality is most efficient at 20mm and below, where the machine maintains high speed and minimal dross. Beyond 20mm, cutting speed decreases and gas consumption increases significantly.

What is the difference between Raycus, IPG, and MAX laser sources?

IPG (Germany) is the global benchmark for beam quality and long-term reliability, typically commanding the highest price. Raycus and MAX are Chinese laser source manufacturers offering competitive performance at lower cost. For cutting up to 6000W, all three sources deliver comparable results in most production environments. The choice often depends on budget and regional service availability. Learn more about how fiber lasers work to understand the core technology behind each source.

Does a 6000W fiber laser need a special power supply or facility?

A 6000W fiber laser system typically consumes 9 to 12kW of total electrical power including the chiller, controller, and extraction system. Most industrial facilities with three-phase 380V/480V service can support this load. Fiber lasers achieve 40% to 45% wall-plug efficiency, consuming roughly 60% to 70% less electricity per part compared to equivalent CO2 laser systems.

Can a 6000W fiber laser cut tubes and pipes in addition to sheet metal?

With an optional rotary chuck attachment, a 6000W fiber laser handles round tubes, square pipes, rectangular profiles, and channel beams in addition to flat sheet metal. Dedicated metal pipe and tube laser cutting machines are also available for shops where tube processing is the primary workload.

What assist gases are used with a high-power fiber laser cutter?

Oxygen is used for carbon steel and mild steel, creating an exothermic reaction that increases cutting speed and depth. Nitrogen produces oxide-free edges on stainless steel and aluminum, essential for food-grade, medical, and cosmetic applications. Compressed air offers the lowest operating cost for non-critical cuts on thin carbon steel, though edge quality is lower than dedicated gas cutting.

How does a 6000W fiber laser compare to lower-power models for a small fabrication shop?

A 6000W machine cuts thin sheet metal (1 to 6mm) at the same speed as lower-wattage systems but adds the ability to process thick plate (12 to 25mm) that smaller machines cannot handle. For shops regularly cutting material thicker than 10mm, the 6kW configuration eliminates the need for outsourcing heavy cuts. A full breakdown of performance differences across power levels is available in this review of the best fiber laser cutters for metal.

What maintenance does a high-power fiber laser cutting machine require?

Fiber lasers require significantly less maintenance than CO2 systems because there are no mirrors, gas tubes, or beam alignment procedures. Routine maintenance includes cleaning protective lenses, checking assist gas supply, inspecting the nozzle, and maintaining the water chiller. The laser source itself is rated for 100,000+ operating hours (over 25 years at standard usage). For a detailed view of all serviceable components, the guide to fiber laser cutting machine main parts provides a complete component overview.