What Metals Can a CNC Plasma Table Cut?

A plasma table is basically the “make it real” button for metal shops. You load a file, clamp the sheet, and your table handles the cut like it’s done this a thousand times. Which, to be fair, it probably has. A cnc plasma table pairs a stable cutting surface with automated motion, so you get fast profiles, repeatable parts, and less time with a grinder pretending it’s “finishing.”

And metal cutting isn’t just one use. It’s the use. It shows up everywhere. Fabrication shops cut brackets and base plates. Construction teams cut gussets and structural tabs. Automotive and transportation crews cut mounts and panels. Even artists cut signage and custom designs. This is why people chase the best plasma table for sale. It’s not a toy. It’s a serious productivity tool that keeps the good vibes flowing when orders stack up.

Now for the question everyone asks before they buy, or right after they buy and suddenly want to cut everything in sight: what metals can you actually cut with a cnc plasma cutter?

Mild steel

This is the daily driver. It cuts fast, it’s affordable, and it behaves predictably. Great for brackets, signage, frames, and all the “we need it by Friday” parts. If you’re doing production work, this is where plasma shines.

Stainless steel

Also very cuttable. It’s popular for clean-looking panels and corrosion-resistant parts. You’ll often see heat tint on the edge, so plan for light cleanup if the finish matters. Still, it’s a strong choice for fab shops that want speed without giving up quality.

Aluminum

Yes, you can cut it, and it’s a common request. Aluminum is more sensitive to heat, so dialed settings matter. Clean consumables matter. Torch height matters. When those are in line, you can get solid results for panels, brackets, and custom shapes.

Copper

Copper is cuttable, but it’s a little dramatic. It moves heat fast, which can affect edge quality. So it’s not always “set it and forget it.” With the right parameters and fresh consumables, it works well for specialty parts where copper makes sense.

Brass

Brass is also possible, though less common in day-to-day plasma work. Like copper, it benefits from good fume control and careful settings. It’s often used for decorative pieces, tags, and specialty components.

Cast iron

Technically, yes, but be selective. Cast iron can be unpredictable, especially on thicker or older material. Plasma is better for rough profiling here than for precision edges. If the part needs tight features, consider another process.

Other metals and alloys

A few more materials come up often. Galvanized steel can be cut, but ventilation is not optional because fumes are serious. Some titanium and nickel alloys can be cut in certain setups, but those jobs usually need extra planning and slower parameters.

Looking for the best plasma table for sale? Premier Plasma CNC has multiple options to choose from. We design and offer robust tables that last long and don’t cost you a fortune. Explore the models now: https://premierplasmacnc.com/.

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