ICS83.160.10

CCSG41

中華人民共和國國家標準

GB/T2978—2024

代替GB/T2978—2014

轎車輪胎規格、尺寸、氣壓與負荷

Sizedesignation，dimensions，inflationpressureand

loadcapacityforpassengercartyres

2024?09?29發布2025?04?01實施

國家市場監督管理總局

國家標準化管理委員會發布

GB/T2978—2024

目次

前言··························································································································Ⅲ

1范圍·······················································································································1

2規范性引用文件········································································································1

3術語和定義··············································································································1

4輪胎規格的表示方法··································································································1

5輪胎規格、尺寸、氣壓與負荷·························································································2

6氣門嘴··················································································································41

附錄A（規范性）負荷指數和負荷能力的對應關系·····························································43

附錄B（規范性）速度符號和最高行駛速度的對應關系·······················································44

附錄C（規范性）新胎最大、最小外緣尺寸計算及修約規定···················································45

表180系列轎車子午線輪胎··························································································3

表275系列轎車子午線輪胎··························································································5

表370系列轎車子午線輪胎··························································································6

表465系列轎車子午線輪胎··························································································8

表560系列轎車子午線輪胎·························································································10

表655系列轎車子午線輪胎·························································································13

表750系列轎車子午線輪胎·························································································15

表845系列轎車子午線輪胎·························································································18

表940系列轎車子午線輪胎·························································································21

表1035系列轎車子午線輪胎·······················································································23

表1130系列轎車子午線輪胎·······················································································26

表1225系列轎車子午線輪胎·······················································································29

表13高負荷（HLa）轎車子午線輪胎················································································31

表14T型臨時使用的備用輪胎·····················································································32

表15保留生產的轎車子午線輪胎················································································a36

表16標準型轎車子午線輪胎負荷與氣壓對應表································································36

表17增強型轎車子午線輪胎負荷與氣壓對應表································································38

表18行駛速度超過160km/h時轎車子午線輪胎最低氣壓的調整方法···································40

表19行駛速度超過210km/h時轎車輪胎的負荷能力變化百分率·········································41

表20轎車輪胎用氣門嘴型號························································································42

表A.1負荷指數與負荷能力對應表················································································43

表B.1速度符號與最高行駛速度對應表···········································································44

Ⅰ

GB/T2978—2024

前言

本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結構和起草規則》的規

定起草。

本文件代替GB/T2978—2014《轎車輪胎規格、尺寸、氣壓與負荷》，與GB/T2978—2014相比，除

結構調整和編輯性改動外，主要技術變化如下：

——增加了高負荷轎車子午線輪胎標志要求和，并更改了需要標記“RF”或“ZRF”的輪胎類型引

用了GB/T30196—2022相關規定的說明（見第4章，2014年版的第4章）；

——刪除了保留生產的轎車斜交輪胎（見2014年版的第4章及表15）；

——增加了部分轎車子午線輪胎規格（見表1~表12，表14）；

——增加了部分規格的增強型負荷指數及負荷能力（見表1、表3~表9、表11，2014年版的表1、

表3~表9、表11）；

——增加了部分規格的標準型負荷指數及負荷能力（見表6~表9、表11，2014年版的表6~表9、

表11）；

——更改了部分規格的個別數據參數（見表1~表12、表14，2014年版的表1~表13）；

——增加了高負荷轎車子午線輪胎（見表13）；

——供臨時使用的T型備用輪胎部分規格增加輕負荷型（見表14，2014年版的表13）；

——增加了T型備用輪胎的測量輪輞及允許使用輪輞要求（見表14，2014年版的表13）；

——更改規范了對充氣壓力的要求（見5.5，2014年版的5.5）；

——刪除了部分速度符號和最高速度的對應關系（見表B.1，2014年版的表B.1）；

——增加了新胎最大最小外緣尺寸計算及修約規定（見附錄C）。

請注意本文件的某些內容可能涉及專利。本文件的發布機構不承擔識別專利的責任。

本文件由中國石油和化學工業聯合會提出。

本文件由全國輪胎輪輞標準化技術委員會（SAC/TC19）歸口。

本文件起草單位：三角輪胎股份有限公司、萬力輪胎股份有限公司、中策橡膠集團股份有限公司、

山東玲瓏輪胎股份有限公司、廈門正新橡膠工業有限公司、賽輪集團股份有限公司、雙星集團有限責任

公司、北京橡膠工業研究設計院有限公司、浦林成山（山東）輪胎有限公司、四川輪胎橡膠（集團）股份有

限公司、安徽佳通乘用子午線輪胎有限公司、青島森麒麟輪胎股份有限公司、雙錢輪胎集團有限公司、

山東豐源輪胎制造股份有限公司、山東昌豐輪胎有限公司、山東興鴻源輪胎有限公司、四川遠星橡膠有

限責任公司、天津市萬達輪胎集團有限公司、山東省三利輪胎制造有限公司、雄鷹輪胎集團有限公司、

山東宏盛橡膠科技有限公司、山東金宇輪胎有限公司、倍耐力輪胎有限公司、大連固特異輪胎有限公

司、米其林（中國）投資有限公司、韓泰輪胎有限公司、優科豪馬橡膠有限公司、普利司通（中國）投資有

限公司、住友橡膠（中國）有限公司、上汽通用五菱汽車股份有限公司、安徽德技汽車檢測中心有限公

司、杭州漢德質量認證服務有限公司。

本文件主要起草人：王大鵬、于寶林、周瓊、張典、王秀梅、陳建明、田宗波、徐偉、牟守勇、徐麗紅、

王琰、羅建剛、陳云、秦靖博、郝云南、鄭濤、潘文、朱作勇、崔友明、于振江、楊洪濤、高建剛、張玉亮、

楊萬龍、牛福相、尹慶葉、周翎、劉清杰、王鎮瀟、朱誠、章斌、黃元毅、何鵬春、余恒、李淑環、鄭蕊、

李苗苗。

本文件所代替標準的歷次版本發布情況為：

——1982首次發布為GB/T2978—1982《轎車輪胎系列》；1989年第一次修訂；1997年第二次

Ⅲ

GB/T2978—2024

修訂；

——2008年第三次修訂，并將標準名稱更改為《轎車輪胎規格、尺寸、氣壓與負荷》；

——2014年第四次修訂；本次為第五次修訂。

Ⅳ