ComMarker B4 — Coated / Powder Coated Steel
1 community-tested setting for mark Coated / Powder Coated Steel on the ComMarker B4. Always run a test on scrap material first.
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These 1 setting cover mark Coated / Powder Coated Steel on the ComMarker B4 (20W fiber laser). Metal marking typically requires Cermark spray or an anodized coating — bare metal cutting needs a much higher-powered machine.
1 setting
Frequently asked questions
What speed should I use to mark Coated / Powder Coated Steel on the ComMarker B4?
The top-rated community setting uses 500 mm/s at 60% power. Removes powder coat to expose bare steel underneath. Slightly defocus (+2mm) for cleaner coating ablation on curved objects. Consistent results across most powder coat brands. Based on LightBurn forum painted tumbler thread and general MOPA coated metal guidance. | Freq: 40kHz, pulse: 100ns, line interval: 0.05mm
How many passes does the ComMarker B4 need to engrave Coated / Powder Coated Steel?
All settings here use a single pass. Confirm focus and do a small test burn before committing to your final design.
Do I need air assist for Coated / Powder Coated Steel on the ComMarker B4?
Air assist is not flagged as required for these settings, but it is good practice during cutting operations to keep the lens clean and reduce char buildup.
What software do I use with the ComMarker B4 for Coated / Powder Coated Steel?
The ComMarker B4 works with EzCad2 and LightBurn. Enter the speed, power, and passes directly into your software's layer settings — no conversion needed.
Now make something with Coated / Powder Coated Steel
Templates ready to cut on your ComMarker B4 once you've dialed in the settings.
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