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GB/T 26278-2017 English PDF (GBT26278-2017)

GB/T 26278-2017 English PDF (GBT26278-2017)

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GB/T 26278-2017: Tyre size substitution guide

This Standard specifies the requirements for tyre size substitution. This Standard applies to passenger car tyres and truck tyres.
GB/T 26278-2017
ICS 83.160.01
G 41
Replacing GB/T 26278-2010
Tyre size substitution guide
Issued by: General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration of the PEOPLE Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 4
4 Requirements ... 4
5 Examples of substitution tyre size ... 5
Appendix A (Informative) Examples of tyre substitution ... 6
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB/T 26278-2010, Tyre size substitution guide; compared with GB/T 26278-2010, the main technical changes are as follow:
-- Modify terms and definitions (see Chapter 3; Chapter 3 of the 2010 edition); -- Modify requirements for the outer dimensions of substitution tyres (see 4.4; 4.4 of the 2010 edition);
-- Modify requirements for the matching rims when replacing (see 4.5; 4.5 of the 2010 edition);
-- Add examples of the substitution tyre size (see Appendix A).
This Standard was proposed by China Petroleum and Chemical Industry Federation. This Standard shall be under the jurisdiction of National Technical Committee on Tyres and Rims of Standardization Administration of China (SAC/TC 19).
Drafting organizations of this Standard: Doublestar Group Co., Ltd., Shandong Linglong Tyre Co., Ltd., Chaoyang Longmarch Tyre Co., Ltd., Triangle Tyre Co. Ltd., Beijing Research and Design Institute of Rubber Industry Co., Ltd., Wanli Tire Corporation Limited, Zhongce Rubber Group Co., Ltd., Double Coin Holdings Group Shanghai Tyre Research Institute Co, LTD, Qingdao Sentury Tire Co., Ltd., Giti Radial Tire (Anhui) Company Ltd., Sailun Jinyu Group Co., Ltd., Guizhou Tyre Co., Ltd., Dalian Goodyear Tire Co., Ltd., Continental Tires (China) Co., Ltd., Sumitomo Rubber (China) Co., Ltd., SAIC-GM-Wuling Automobile Co., Ltd., CITIC Dicastal Co., Ltd., Nanjing Iveco Automobile Co., Ltd.
Chief drafting staffs of this Standard: Qi Shunqing, Chen Hongwen, Ma Jie, Chen Shaomei, Yu Haili, Nie Benliang, Wang Kexian, Xu Lihong, Mou Shouyong, Zhang Yinghong, He Haoming, Xu Lianyu, Li Zhongdong, Ma Xiuxiang, Yang Wanlong, Zhang Jian, Yin Qingye, Ma Zhong, Huang Xiaoqing, Jia Yonghui, Wang Xiaodong, Zhu Xiao.
The previous versions of the standard which are replaced by this Standard are: -- GB/T 26278-2010.
Tyre size substitution guide
1 Scope
This Standard specifies the requirements for tyre size substitution.
This Standard applies to passenger car tyres and truck tyres.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies to this document. For undated references, the latest edition (including any amendment) applies to this document.
GB/T 6326, Tyre terms and definitions
GB 9743, Passenger car tyres
GB 9744, Truck tyres
GB/T 9768, Rules for application and maintenance of tyres
3 Terms and definitions
Terms and definitions determined by GB/T 6326 and the following ones are applicable to this document.
3.1 OE tyre
The tyre fitted to the vehicle at the factory.
3.2 Substitution tyre
The tyre that can replace the OE tyre.
4 Requirements
4.1 Substitution tyres shall meet the requirements of GB 9743 and GB 9744. 4.2 When replacing tyres, the assembly of tyres shall comply with the provisions of GB/T 9768.

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