ComMarker B4 60W MOPA stainless steel settings for LightBurn
8 LightBurn settings for stainless steel on a ComMarker B4 60W MOPA fiber laser, and 2 logged runs (1 with a recorded result). Every value below is copied from this machine's LightBurn library or run log — nothing is estimated.
VERIFIED RUNRUN LOGGED — RESULT NOT RECORDED YETSAVED PRESET — NOT YET VERIFIEDSTARTING SETTING FROM LIBRARY — NOT YET VERIFIED
Runs on this machine
Malorie / I'm sorry — Stainless - dark brown (Malorie run 1)
VERIFIED RUN
Run 2026-09-27 17:24 Arizona time (UTC−7) · workpiece: Stainless steel electrical box cover
Result (owner's note): Good, very dark brown mark on the first run (stainless steel electrical box cover).
Mode
Fill (Scan)
Power
40 % (min power 40 %)
Speed
1000 mm/s
Frequency
25 kHz
Pulse width (MOPA)
200 ns (The job file set no pulse width, so LightBurn's default applied; the run log records 200 ns.)
Hatch spacing / line interval
0.025 mm
Hatch angle
45° · cross-hatch on · bidirectional off
Passes
1
Lens / field
126 × 126 mm field (lens focal length not recorded)
Design preview (artwork, not a photo of the result — no result photo yet).
Malorie / I'm sorry — Steel / General / Anneal
RUN LOGGED — RESULT NOT RECORDED YET
Run 2026-09-27 17:33 Arizona time (UTC−7) · workpiece: Stainless steel (electrical box cover)
The run is logged, but no result has been recorded yet — do not treat these parameters as verified.
Mode
Fill (Scan)
Power
15 % (min power 7 %)
Speed
330 mm/s
Frequency
190 kHz
Pulse width (MOPA)
200 ns
Hatch spacing / line interval
0.025 mm
Hatch angle
45° · cross-hatch on · bidirectional off
Passes
1
Lens / field
126 × 126 mm field (lens focal length not recorded)
Design preview (artwork, not a photo of the result — no result photo yet).
Stainless Steel settings
Stainless - dark brown (Malorie run 1)
VERIFIED RUN
Operation: Dark brown · Source: Saved preset (derived from library entry Aluminum / General / Engrave)