GB/T 4236-2025 in English

This standard specifies the methods for sulfur print testing of steel, covering the preparation of test samples, the procedures for conducting the tests, and the requirements for recording and reporting the results. It applies to various types of steel materials used in different industrial applications. The standard provides detailed guidance on the necessary equipment, reagents, and operational steps to ensure the accuracy and reliability of the test results. It also includes specifications for the interpretation of test outcomes and the conditions under which the tests should be performed. The content is structured to facilitate implementation by relevant organizations and personnel involved in the quality control and analysis of steel products.