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Corrosion at 316SS caused by engraving process of marking

Corrosion at 316SS caused by engraving process of marking

Corrosion at 316SS caused by engraving process of marking

(OP)
I have to mark our 316 SS mat'l Fitting product.  The marking process will be done using electrical engraved.
I don't what problem will be appear by doing this engraved on 316 SS.
Is there anyone has the same problem with me before or heard about it...please advise me.
Thanks, Yose

RE: Corrosion at 316SS caused by engraving process of marking

Hi Yose,
If you still have a need, we can mark your SS parts with a permanent black mark. You can see examples at:www.custom-etched.com.
Regards,
Will

RE: Corrosion at 316SS caused by engraving process of marking

disturbing the surface will decrease corrosion resistance if oxide is formed or if inclusions are exposed. corrosion resistance can be restored by pickling with nitric acid.

RE: Corrosion at 316SS caused by engraving process of marking

Careful with the icehorse1 response. Make sure that the marker is suitable for use on stainless and has acceptable chloride and halide contents.

RE: Corrosion at 316SS caused by engraving process of marking

Good point AEF! You can get the particulars, including chemical resistance testing at: www.cerdecmark.com. The laser energy (heat) actual anneals the active pigment in the formula onto the stainless steel, creating a new alloy which is slightly raised on the SS surface.

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