T/CSTM 01038-2026 Measurement method for inhibition layer thickness of hot-dip zinc sheet

Scope

This document provides the terms and definitions, principles, instrumentation, sampling and sample preparation, testing methods and procedures, data processing, precision, and testing reports for determining the thickness of the inhibition layer on hot-dip galvanized sheets. This document is applicable to determining the thickness of the inhibition layer on hot-dip galvanized sheets using atomic force microscopy and scanning electron microscope energy spectroscopy. The thickness measurement of other hot-dip galvanized products and metal composite strips can be carried out with reference to this document. This document provides the terms and definitions, principles, instrumentation, sampling and sample preparation, testing methods and procedures, data processing, precision, and testing reports for determining the thickness of the inhibition layer on hot-dip galvanized sheets. This document is applicable to determining the thickness of the inhibition layer on hot-dip galvanized sheets using atomic force microscopy and scanning electron microscope energy spectroscopy. The thickness measurement of other hot-dip galvanized products and metal composite strips can be carried out with reference to this document.

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