SAE Standards Works
E-25 General Standards for Aerospace and Propulsion Systems
AS478P - Identification Marking Methods
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James S. Barnett
Identification Marking Methods
This standard provides the following: a. Definition of terms pertaining to marking. b. Symbols for marking location. c. Requirements and restrictions for permanent markings. d. Types of marking methods. e. Rules for designating marking methods. f. Table listing marking methods.
This standard is being revise to add an additional laser marking method using the annealing process (no depth) and to identify methods approved for 2D data matrix coding.