having the front or outer surfaces covered with or characterized by steel.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use steel-faced in a sentence
As a rule, the plates are not steel-faced until after the proofs before lettering have been printed.
Soft-ground etchings, the biting of which is quite shallow, must be steel-faced after two to three hundred impressions.
The zinc plate on which Mr. Lansil's little etching, given in this volume, is executed, was steel-faced.
Finally, if a large edition is required, the plate is steel faced.The Essentials of Illustration | T. G. (Thomas George) Hill
Zinc plates can be steel-faced, but the facing cannot be renewed, as it cannot be removed.