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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

QC/T 346-2023 PDF English

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QC/T 346-2023: Plastic Plug
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Status: Valid

QC/T 346: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
QC/T 346-2023English230 Add to Cart 0-9 seconds. Auto-delivery Plastic Plug Valid
QC/T 346-1999English179 Add to Cart 2 days Flat wire stopper ring for shafts  

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Similar standards

QC/T 350   QC/T 354   QC/T 343   

QC/T 346-2023: Plastic Plug

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/QCT346-2023
QC AUTOMOTIVE INDUSTRY STANDARD ICS 43.040 CCS T 31 Replacing QC/T 346-1999 Plastic Plug Issued on. DECEMBER 20, 2023 Implemented on. JULY 1, 2024 Issued by. Ministry of Industry and Information Technology of the People’s Republic of China

Table of Contents

Foreword... 7 1 Scope... 8 2 Normative References... 8 3 Terms and Definitions... 8 4 Type and Size... 8 5 Technical Requirements... 10 6 Product Number... 10

Foreword

This Document was drafted as per the rules specified in GB/T 1.1-2020 Directives for Standardization – Part 1.Rules for the Structure and Drafting of Standardizing Documents. This Document replaced QC/T 346-1999.Compared with QC/T 346-1999, the major technical changes of this Document are as follows. --- Add requirements for ethylene-based materials and their temperature resistance (see Table 3 of this Edition); --- Add general requirements for dimensional tolerance (see Table 3 of this Edition). This Document was proposed by and under the jurisdiction of National Technical Committee of Auto Standardization (SAC/TC 114). Drafting organizations of this Document. China First Automobile Group Co., Ltd.; China National Heavy Duty Truck Group Co., Ltd.; FAW Jiefang Automotive Company; Anhui Jianghuai Automobile Group Corp., Ltd.; Sichuan Aerospace Shiyuan Auto Parts Co., Ltd.; and Beijing Automotive Technology Center. Chief drafting staffs of this Document. Yang Chaoyang, Jiang Xiangdong, Shi Haonan, Wang Wei, Li Yudi, Luo Hong, Yu Hongyang, Luan Jianxin, Li Wanjiang, and Wei Xiaohua. The historical editions replaced by this Document are as follows. --- ZB/T 31023-1987; --- QC/T 346-1999; --- It is second-time revised hereby. Plastic Plug

1 Scope

This Document specifies the type, size, technical requirements and product number of plastic plug. This Document is applicable to the dust-proof and rust-proof sealing of assembly ports and pipeline ports during the transportation and storage of automotive parts; and other process plug can be used for reference.

2 Normative References

The provisions in following documents become the essential provisions of this Document through reference in this Document. For the dated documents, only the versions with the dates indicated are applicable to this Document; for the undated documents, only the latest version (including all the amendments) is applicable to this Document. GB/T 90.1 Fasteners – Acceptance inspection GB/T 90.2 Fasteners – Marking and packaging QC/T 326 Coding rules for automotive standardized parts QC/T 29017 Automotive molded plastic parts without individual tolerance limit the size of the deviation

3 Terms and Definitions

For the purposes of this Document, no terms and definitions are necessary to be given.

4 Type and Size

The type and size of Type-A plastic plug are shown in Figure 1 and Table 1.

5 Technical Requirements

The technical requirements of plastic plug are shown in Table 3.

6 Product Number

The product number of the plastic plug shall be implemented according to the provisions of QC/T 326. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.

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