304 stainless etching
I am trying find the proper method to obtain photo quality acid etchings
on stainless steel. I've included an example of what I would like to achieve. This was acid etched on 304 stainless http://www.tetongrillgear.com/media/...f78eab33525d08 d6e5fb8d27136e95/w/h/whitetail-hood-scene_1_1.jpg thanks, Joe -- |
304 stainless etching
responding to
http://www.rittercnc.com/metalworkin...ng-498310-.htm shmoeusn wrote: is it possible to achieve the various shades of black and gray to etch a photograph with this method? -- |
304 stainless etching
On Sun, 3 Apr 2011 14:19:39 -0700 (PDT), whit3rd
wrote: On Saturday, April 2, 2011 11:52:47 PM UTC-7, shmoeusn wrote: I am trying find the proper method to obtain photo quality acid etchings on stainless steel. It's possible to etch 304 with ferric chloride, masking with KPR (Kodak photoresist) just about like with copper printed circuit photofabrication. I vaguely recollect the photoresist had to be baked after application (it didn't adhere well otherwise). I have never managed a decent etch with Ferric Chloride on stainless. It works on mild steel but slowly and the etch is shallow compared with copper and brass. Electro-etching is a possibility in but given the nature of the image the details of the process will be critical. I have never done half-tones that way. Michael Koblic, Campbell River, BC |
304 stainless etching
I'd say ill advised. Can you tell me you have a coating of Fe ?
I hope not. It would rust. Is the layer all Ni ? - likely not enough and magnetic. Is the layer all Chrome ? more likely with pitting of localized Fe - needing to be neutralized with Citrus or Nitric. Stainless is a complex steel. I'd etch with grit and resist. Martin On 4/3/2011 4:34 PM, shmoeusn wrote: responding to http://www.rittercnc.com/metalworkin...ng-498310-.htm shmoeusn wrote: is it possible to achieve the various shades of black and gray to etch a photograph with this method? |
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