T/CAS ES011308001-2022 Active

Scope: This document specifies the evaluation procedures and requirements for quality grading of high-quality carbon and alloy round steel, evaluation methods, and quality grading. This document applies to quality grading evaluation activities for high-quality carbon and alloy round steel. Main technical contents: 1. Scope: This document specifies the evaluation procedures and requirements for quality grading of high-quality carbon and alloy round steel, evaluation methods, and quality grading. This document applies to quality grading evaluation activities for high-quality carbon and alloy round steel. 2. Normative references: The content of the following documents is an integral part of this document through normative references. Among them, the referenced documents with a date only apply to the version corresponding to that date; for the non-dated referenced documents, the latest version (including all amendment sheets) applies to this document. - GB/T 223.59: Determination of Phosphorus Content in Steel and Alloys – Bismuth Phosphomolybdenum Blue Spectrophotometry and Antimony Phosphomolybdenum Blue Spectrophotometry - GB/T 223.85: Determination of Sulfur Content in Steel and Alloys – Infrared Absorption Method after Combustion in an Induction Furnace - GB/T 224: Determination of Decarburization Layer Depth in Steel - GB/T 228.1: Metallic Materials – Tensile Test – Part 1: Room Temperature Test Methods - GB/T 229: Metallic Materials – Charpy Impact Test Method - GB/T 231.1: Metallic Materials – Brinell Hardness Test – Part 1: Test Methods - GB/T 1979: Rating Chart for Low Magnification Structural Steel Defects - GB/T 6394: Method for Determining the Average Grain Size of Metals - GB/T 10561: Determination of Non-Metallic Inclusions in Steel – Standard Rating Chart Method for Microscopic Inspection - GB/T 11261: Determination of Oxygen Content in Steel – Pulse Heating Inert Gas Melting-Infrared Absorption Method - T/CAS ES000000001–2