T/CAS ES039102009-2022 Active

Scope: This document specifies the evaluation procedures and requirements for the quality grading of high-chromium bricks, evaluation methods, and quality grading. This document is applicable to the evaluation activities of the quality grading of high-chromium bricks. Main technical contents: 1. Scope: This document specifies the evaluation procedures and requirements for the quality grading of high-chromium bricks, evaluation methods, and quality grading. This document is applicable to the evaluation activities of the quality grading of high-chromium bricks. 2. Normative references: The contents of the following documents are essential provisions of this document through normative references in the text. Among them, the referenced documents with a specified date apply only to the version corresponding to that date; the referenced documents without a specified date apply to the latest version (including all amendment sheets) of the document. GB/T 2997 Test Methods for Bulk Density, Apparent Porosity, and True Porosity of Dense Molded Refractory Products GB/T 3002 Refractory Materials Test Methods for High-temperature Flexural Strength GB/T 5070 Chemical Analysis Methods for Chromium-containing Refractory Materials GB/T 5072 Refractory Materials Room Temperature Compressive Strength Test Methods GB/T 30759 High-chromium Bricks T/CAS ES000000001–2022 (V01) Rules for Quality Grading Evaluation of Industrial Products General Provisions