Detail of GB/T 6326-2023

Introduction of GB/T 6326-2023

Tyre - Vocabulary 1 Scope This document specifies the vocabulary related to tyre for industrial purpose, and covers terms and definitions related to tyre classification, components of tyre, tread pattern, rim, tyre dimension, tyre performance and its test, tyre marking, appearance defects of tyre, and type service, as well as tyre retread and repair. This document is applicable to passenger car tyre, light truck tyre, truck tyre, earth-mover tyre, agricultural tyre, industrial tyre, motorcycle tyre, electric bicycle tyre, cycle tyre and aircraft tyre. 2 Normative references No normative reference is listed in this document. 3 General terms 3.1 tyre ring-shaped elastic product that is mounted on a vehicle wheel or machine wheel 3.2 new tyre tyre that has been neither used nor subjected to a retreading operation 3.3 grown tyre tyre that has undergone expansion due to use in service 3.4 pneumatic tyre tyre that needs the compressed gas or liquid in the inner cavity and is capable of keeping the pressure Note: It is divided into tube tyre and tubeless tyre. 3.5 solid tyre tyre that has the materials of different performances filled in the carcass and is not equipped with inner cavity 3.6 tubeless tyre pneumatic tyre that does not need to be fitted with an inner tube 3.7 tube tyre pneumatic tyre that needs to be fitted with an inner tube in the inner cavity of the cover Note: It usually includes the cover, inner tube and cushion belt. 3.8 cover outer shell of a tyre, capable of bearing various acting forces 4 Tyre classification 4.1 Classification by function 4.1.1 normal tyre tyre designed for normal use 4.1.2 special use tyre tyre designed to be used primarily off-road, to be used in a mixture of ordinary road and off-road, or to be used under other special conditions Note: The marking of this type of tyres includes MPT (multi-purpose truck), ML (mining and logging), ET (extra tread), POR (professional off-road), MT (mud-terrain), RT (rugged-terrain), AT (all-terrain), etc. 4.1.3 traction tyre tyre designed to be used primarily on a vehicle's drive wheels, which maximizes the transfer of the vehicle's power

Contents of GB/T 6326-2023

Foreword i 1 Scope 2 Normative references 3 General terms 4 Tyre classification 5 Components of tyres 6 Thread pattern of tyres 7 Rim 8 Tyre dimension 9 Tyre performance and its test 10 Tyre marking 11 Appearance defects of tyres 12 Tyre service 13 Retread and repair of tyres Annex A (Informative) Nominal diameter of tyres Annex B (Informative) Corresponding relation between speed symbol and speed capability Annex C (Informative) Corresponding relationship between load index and load capacity Index