Tools for sustainably marking QR codes on Steel products

Hi There,

Does anyone have experience with marking QR codes on Carbon or Alloy steel in a sustainable way? Please share any examples you have?

Kind regards,
Tom

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I have a coding marking, there are two types of marking - square and bar code

  1. Bar code

  2. Square code marked in the MTC.

Thanks Bien. Is this lasting on Carbon steel?