GB/T 2978-2024: Size designation, dimensions, inflation pressure and load capacity for passenger car tyres

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Newer / historical versions: GB/T 2978-2024

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Scope

This document specifies the method of expressing passenger car tyre sizes, tyre sizes
and corresponding dimensions, inflation pressure and load capacity, as well as related
requirements.
This document applies to new pneumatic passenger car tyres.

Basic Data

Standard ID	GB/T 2978-2024 (GB/T2978-2024)
Description (Translated English)	Size designation, dimensions, inflation pressure and load capacity for passenger car tyres
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G41
Classification of International Standard	83.160.10
Word Count Estimation	50,540
Date of Issue	2024-09-29
Date of Implementation	2025-04-01
Older Standard (superseded by this standard)	GB/T 2978-2014
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration