GB/T 30898-2025 PDF English
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GB/T 30898: Historical versions
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GB/T 30898-2025: Scrap steel from slag for steelmaking
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT30898-2025GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.99 CCS H 34 Replacing GB/T 30898-2014, GB/T 30899-2014 Scrap Steel from Slag for Steelmaking Issued on: JUNE 30, 2025 Implemented on: JANUARY 1, 2026 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3 1 Scope... 4 2 Normative References... 4 3 Terms and Definitions... 4 4 Technical Requirements... 5 5 Test Methods... 5 6 Inspection Rules... 6 7 Storage, Transportation, and Quality Certificate... 6Foreword
This document was drafted in accordance with the rules provided in GB/T 1.1-2020 Directives for Standardization - Part 1.Rules for the Structure and Drafting of Standardizing Documents. This document serves as a replacement for GB/T 30898-2014 Scrap Steel from Slag for Steelmaking and GB/T 30899-2014 Selected Luppen for Smelt. This document integrates and revises the contents of GB/T 30898-2014 and GB/T 30899-2014.The main technical differences between this document and the original documents are as follows. a) For the integration and revision, Table 1 in GB/T 30899-2014 and Table 1 in GB/T 30898-2014 are merged into a new table 1 (see Table 1); b) The Scope is modified (see Chapter 1); c) The classification of scrap steel from slag, the range of total iron content in scrap steel from slag, and the impurity content in scrap steel from slag are modified and refined (see Table 1); d) The test methods are modified (see Chapter 6) (TRANSLATOR NOTE. it should be Chapter 5). Please be noted that certain content of this document may involve patents. The issuing institution of this document does not undertake the responsibility of identifying these patents. This document was proposed by China Iron and Steel Association. This document shall be under the jurisdiction of National Technical Committee 183 on Steel of Standardization Administration of China (SAC/TC 183). The drafting organizations of this document. Jiangsu Shagang Co., Ltd.; Central Research Institute of Building and Construction Co., Ltd. MCC Group; Maanshan Iron & Steel Co., Ltd.; Shougang Steel Qianan Iron & Steel Co., Ltd.; Hangzhou Xiruidi Technology Co., Ltd.; China Metallurgical Information and Standardization Institute; Shougang Jingtang Limited Iron & Steel Co., Ltd.; Shandong Laigang Yongfeng Iron & Steel Co., Ltd.; Jiangsu Binxin Steel Group Co., Ltd.; Anhui University of Technology; Hangzhou Ruikun Information Technology Co., Ltd. The main drafters of this document. Mao Rui, Zhu Zuoqiao, Qiu Jinhui, Yao Haiwei, Sun Yonglin, Zhou Jian, Wang Guochuan, Lin Tao, Liu Zhentong, Wu Jianzhong, Luo Zhenyong, Zhang Liangliang, Liu Dong, Yuan Zhongjia, Wang Jiangwei, Lv Wen, Zhang Yali, Wang Xiaojie, Chen Jian, Pan Na, Wang Tongbin, Zhang Ruopeng, Han Shiguo, Wang Lixia, Yu Jingyao, Du Hongtao, Liu Xiuxiu, Zhang Yuanchun, Li Canhua, Wang Kun, Du Gang. This document was first issued in 2014; this is the first revision, which integrates GB/T 30899- 2014. Scrap Steel from Slag for Steelmaking1 Scope
This document specifies the technical requirements, inspection rules, storage, transportation, and quality certificate for scrap steel from slag for steelmaking and describes the corresponding test methods. This document applies to scrap steel from slag for steelmaking.2 Normative References
The contents of the following documents constitute indispensable clauses of this document through the normative references in the text. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 223.7 Iron Powder - Determination of Iron Content - Potassium Dichromate Titration Method GB/T 223.59 Iron, Steel and Alloy - Determination of Phosphorus Content - Bismuth Phosphomolybdate Blue Spectrophotometric Method and Antimony Phosphomolybdate Blue Spectrophotometric Method GB/T 223.85 Steel and Iron - Determination of Sulfur Content - Infrared Absorption Method after Combustion in an Induction Furnace GB/T 10322.7 Iron Ores and Direct Reduced Iron - Determination of Size Distribution by Sieving YB/T 148 Test Method for the Content of Total Iron in Steel Slag YB/T 804 Terminology for Iron and Steel Slag & Treatment and Utilization3 Terms and Definitions
The terms and definitions defined in YB/T 804 and the following are applicable to this document. 3.1 big scrap steel from slag Materials with a total iron (TFe) content greater than or equal to 60% and a particle size greater than 200 mm, selected during the processing. [source. YB/T 804-2009, 6.1.3, modified] 3.2 small scrap steel from slag Materials with a total iron (TFe) content greater than or equal to 60% and a particle size of 10 mm ~ 200 mm, selected during the processing. 3.3 magnetic powder from steel slag Magnetic slag powder with a TFe content greater than or equal to 30% and a particle size less than 10 mm, obtained after steel slag has been crushed, magnetically separated, and processed. [source. YB/T 804-2009, 6.1.5, modified]4 Technical Requirements
Scrap steel from slag is divided into three types. magnetic powder from steel slag, small scrap steel from slag, and big scrap steel from slag. The technical indicators of scrap steel from slag shall conform to the provisions of Table 1.5 Test Methods
5.1 The determination of TFe content shall be performed in accordance with the provisions of GB/T 223.7 or YB/T 148. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
