Commarker B6 30W — Carbon Steel

What speed should I use to engrave Carbon Steel on the Commarker B6 30W?

The top-rated community setting uses 1500 mm/min at 85% power. Deep dark mark on carbon steel — great for tool marking, knife blades, and industrial parts. The result is rust-resistant when the oxide layer forms properly. Wipe with a dry cloth after marking to remove debris.

Can the Commarker B6 30W cut Carbon Steel?

A 30W fiber laser can mark or engrave metal surfaces but cannot cut through them — metal cutting requires a much higher-powered laser or a plasma cutter.

How many passes does the Commarker B6 30W need to engrave Carbon 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 Carbon Steel on the Commarker B6 30W?

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 DPI should I use to engrave Carbon Steel on the Commarker B6 30W?

Settings here use 300 DPI. For photographic detail or fine artwork, consider testing at higher DPI, but expect longer run times.