Engrave in aluminum

I had a customer who wanted to engrave .003" mark in an aluminum tube. Not sure what type of tubing it was. We have a 50W Epilog Helix laser here that we do just awards work. We don't so anything industrial but I was just wondering if this is something that can be done.

Assuming your Helix is a C02 laser, it will have no effect whatsoever on aluminum, other than heating it up.

Fiber laser yes, C02 laser no...

Yes the Helix is a CO2. I thought that was what I was looking for. Thank you