Can a diode laser engrave stainless steel?+
Not on bare stainless by itself. A diode laser needs a marking compound or spray, and the mark is the compound fused to the metal. Test on scrap first.
Can a CO2 laser mark stainless steel?+
Also with a marking compound or spray. Bare stainless is marked directly by a fiber laser.
Is the mark light or dark?+
Usually dark on a light metal, so a photo is prepared like a normal positive image. If your process leaves a light mark, use Invert and confirm with a small test.
How durable is a photo engraved on stainless steel?+
A fiber laser changes the steel surface itself, so the mark does not peel off; a marking-compound mark is fused onto the surface. How well either resists abrasion and dishwashers depends on the process and the compound, so test a sample and follow the compound maker's guidance.
Does Vextrify control fiber lasers?+
No. It exports files for LightBurn or EZCAD. Its desktop app drives GRBL diode lasers and Ruida CO2 lasers.