I completely agree with the OP regarding Steel. I agree with all the posters. My only $.02 is make sure your safety glasses are rated for the job. There are different ratings. ANSI Z87.1-2010 and MIL-PRF-31013, clause 3.5.1.1 set down "Ballistic" impact standards. I use Revision Eyeware Sawflys.
http://www.revisioneyewear.com/sawfly.html