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GB/T 47079-2026: Technical specification of the roll induction heating treatment
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GB/T 47079-2026: Technical specification of the roll induction heating treatment

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ICS 77.180 CCSH90 National Standards of the People's Republic of China Technical Specifications for Induction Heat Treatment of Rolls Published on 2026-01-28 Implemented on August 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the China Iron and Steel Association. This document is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). This document was drafted by. China Steel Group Xingtai Machinery Roll Co., Ltd., Yixing Guochang Roll Co., Ltd., and Baosteel Roll Technology Co., Ltd. Limited Liability Company, Metallurgical Industry Information and Standardization Research Institute, Zhongtian Iron & Steel Group Co., Ltd., Chengdu Advanced Metal Materials Industry Technology Research Institute Co., Ltd. Limited Liability Company, Jiangsu Keda Heavy Industry Co., Ltd., Xingtai Dejin Precision Machinery Manufacturing Co., Ltd., Changsha Jinduo Machinery Co., Ltd., Hunan Lifang Roll Co., Ltd., Beijing University of Technology, Zhejiang University, and Huadian Electric Power Research Institute Co., Ltd. The main drafters of this document are. Yang Yudong, Han Weiguo, Shao Lijun, Chen Wei, Zhang Ruopeng, Wang Liyin, Ge Xiaohong, Xin Shengpeng, Zhu Jian, and Zhang Qing. Jin Feng, Tian Xiaolin, Qian Baineng, Liang Jianli, Xiao Zeyang, Zhou Qinzong, Qiu Jinhui, Cui Haifeng, Ye Yukui, Yao Jie, Xi Guoxian, Fang Ping, Xu Yunpeng Qin Bo, Wang Hui, Zhang Guimin, Ma Fengchuan, Wang Jiangwei, Xu Shichang, Ding Zemiao, Liu Jianning, Chen Jian, Zhang Zhiqiang, Zhou Jianming, Yan Hongxia, Peng Longsheng Yang Jing, Sun Xizhao, Yu Jingyao, Zhang Yuanchun, Fu Hanguang, Tian Linan. Technical Specifications for Induction Heat Treatment of Rolls

1 Scope

This document specifies the general requirements, equipment requirements, technical requirements, quality requirements, inspection requirements, and safety requirements for induction heat treatment of metallurgical rolls. Protection. This document applies to the induction heat treatment of metallurgical rolls, and the evaluation of the process, operation, and quality of induction heat treatment. Other applications... The rolling mill rolls are used with reference to this.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 1503 Cast steel rolls GB/T 1504 Cast iron rolls GB/T 7232 Terminology for Heat Treatment of Metals GB/T 7704 Nondestructive testing method for X-ray stress determination GB/T 13313 Test methods for Shore and Leeb hardness of rolling mill rolls GB/T 13314 General Technical Requirements for Forged Steel Cold Rolling Work Rolls GB/T 13324 Terminology for Heat Treatment Equipment GB/T 15546 Metallurgical Roll Terminology GB 15735 Safety and hygiene requirements for metal heat treatment processes GB/T 17394.1 Metallic materials – Leeb hardness test – Part 1.Test methods GB/T 23904 Nondestructive testing - Ultrasonic surface wave detection method GB/T 31310 Determination of Residual Stress in Metallic Materials - Drilling Strain Method GB/T 46218 Support Rollers JB/T 3733 Technical Conditions for Large Forged Alloy Steel Hot Rolls JB/T 9204 Metallographic Inspection of Induction Hardened Steel Parts JB/T 9205 Metallographic Inspection of Induction Hardened Pearlitic Ductile Iron Parts

3 Terms and Definitions

The terms and definitions defined in GB/T 15546, GB/T 13324 and GB/T 7232, as well as the following terms and definitions, apply to this document. 3.1 Heat treatment is performed after the roll is heated to a predetermined temperature by generating eddy currents on the surface of the roll using electromagnetic induction. Note. This includes induction hardening, induction tempering, and induction annealing. [Source. GB/T 7232-2023, 3.1.8, with modifications] ...