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GB/T 26652-2025Abrasion-resistant composite materials castings (English PDF)

耐磨损复合材料铸件

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

June 30, 2025

Implementation date

January 1, 2026

Scope

GB/T 26652-2025 is the English-translated version of 耐磨损复合材料铸件.

GB/T 26652-2025 is the Chinese national standard covering castings in which a hard wear layer is metallurgically bonded to a tougher backing — the classification and grades, the manufacturing, the chemical composition and microstructure, the hardness and impact toughness, the dimensional and weight tolerances and the surface roughness, and the radiographic, magnetic particle and penetrant testing that looks for the unbonded patches along the interface where the two metals have to hold together. Issued on 30 June 2025, it has been in force since 1 January 2026, replacing GB/T 26652-2011.

Document preview — GB/T 26652-2025

National Standard of the People's Republic of China

ICS
77.140.80
Classification
J 31
Replacing
GB/T 26652-2011

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • Foreword
  • 1 Scope
  • 2 Normative references
  • 3 Terms and Definitions
  • 3.1 Composite parts with good wear resistance

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

This document replaces GB/T 26652-2011 Wear-resistant composite castings. Compared with GB/T 26652-2011, except for the structural adjustment Besides the editorial changes, the main technical changes are as follows.

a) The scope has been changed (see Chapter 1, Chapter 1 of the 2011 edition);

b) The terms and definitions of wear-resistant iron-based composite castings have been changed (see 3.1, 3.1 of the 2011 edition);

c) The classification, brand and code as well as the brand representation method have been changed (see Chapter 4, Chapter 4 of the 2011 edition);

d) Added manufacturing requirements (see Chapter 5);

e) The technical requirements have been changed (see Chapter 6, Chapter 5 of the 2011 edition);

f) The test method has been changed (see Chapter 7, Chapter 6 of the 2011 edition);

g) The inspection rules have been changed (see Chapter 8, Chapter 7 of the 2011 edition);

h) The marking, certification, packaging, transportation and storage requirements have been changed (see Chapter 9, Chapter 8 of the 2011 edition).

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document is proposed and coordinated by the National Technical Committee for Standardization of Castings (SAC/TC54).

This document was drafted by: Jinan University, Linyi Tiankuo Casting Co., Ltd., Zhejiang Huasheng Metal Products Co., Ltd., CITIC Heavy Industries Machinery Co., Ltd.

Co., Ltd., Henan Hengjiu Braking System Co., Ltd., Zhejiang Wujing Machinery Manufacturing Co., Ltd., Guangdong Taibang Wear-Resistant Metal Technology Co., Ltd.

Linyi Shenglong Wear-resistant Technology Co., Ltd., Handan Huiqiao Composite Materials Technology Co., Ltd., Suichang Dexin Cast Steel Co., Ltd., Zhejiang Yurong Industry Co., Ltd., Ma'anshan Haitian Heavy Industry Technology Development Co., Ltd., Jingjiang Yongxin Special Steel Co., Ltd., Jiangxi Naipu Mining Machinery Co., Ltd.

Co., Ltd., Suzhou Runda Machinery Manufacturing Co., Ltd., Tongling University, Hebei Libin General Equipment Co., Ltd., Shandong Tianli Machinery Casting Co., Ltd.

Co., Ltd., Chengde Rongmao Cast Steel Co., Ltd., Jiaxing Jimun Machinery Co., Ltd., Zhejiang Xieli Machinery Tools Co., Ltd., Yiyang Jinneng New Materials Materials Co., Ltd., Hebei Jinguang Auto Parts Co., Ltd., Ningbo Mingxun Industrial Co., Ltd., Jiangsu Wanheng New Materials Technology Co., Ltd., Suichang County Jinlei Machinery Casting Co., Ltd. and China Machinery Engineering Academy Group Shenyang Foundry Research Institute Co., Ltd.

The main drafters of this document are: Li Wei, Wang Yongzhe, Ping Xianzhong, Fang Dequan, Diao Xiaogang, Zhou Ligang, Zhu Jianfeng, Song Dongsheng, Xu Gongmin, Xing Zhenguo, Zhu Jingzhi, Li Wenzheng, Sun Aimin, Zhang Jianxin, Shi Zhongshan, Gu Longyuan, Guo Baisong, Yang Junjie, Song Liang, Liu Yangzhen, Chen Wenchao, Yang Zhisen, Cao Qiao, Luo Xianpeng, Wang Huijun, Wang Jinghui, Wang Jingrong, Ying Anwei, Jiao Hongkai, Pan Yangyan, Cai Xuebin, and Zhang Qunli.

This document was first published in 2011 and this is the first revision.

1 Scope

This document specifies the classification, grade and code, manufacturing, technical requirements, testing of wear-resistant iron-based composite castings (hereinafter referred to as "castings").

Methods, inspection rules, marking, certification, packaging, transportation and storage requirements.

This document is applicable to the production, Testing, application, procurement and delivery acceptance. Wear-resistant iron-based composite material castings for other working conditions shall be implemented by reference.

2 Normative references

GB/T 229

GB/T 230.1

GB/T 1031

GB/T 4340.1

GB/T 5611

GB/T 5677

GB/T 5680

GB/T 6414-2017

GB/T 8263

GB/T 9443

GB/T 9444

GB/T 11351-2017

GB/T 13298

GB/T 15056

GB/T 20066

GB/T 26651

GB/T 39428-2020

GB/T 39638

3 Terms and Definitions

The terms and definitions defined in GB/T 5611 and the following apply to this document.

3.1 Composite parts with good wear resistance

Metallurgical bonding of two or more materials produced by casting (special cases of non-metallurgical or partial metallurgical bonding)

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Editions of GB/T 26652

EditionTitleRevisionStatus
GB/T 26652-2025Abrasion-resistant composite materials castingscurrent editionCurrent
GB/T 26652-2011Abrasion-resistant composite materials castingsprevious editionIn force

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