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QC/T 599-2022 PDF English

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QC/T 599-2022: Overhead projection weld bolts
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Status: Valid

QC/T 599: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
QC/T 599-2022English170 Add to Cart 0-9 seconds. Auto-delivery Overhead projection weld bolts Valid
QC/T 599-2013English559 Add to Cart 3 days Overhead projection weld bolts Obsolete
QC/T 599-1999English279 Add to Cart 3 days (End face projection welding bolts) Obsolete

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QC/T 599-2022: Overhead projection weld bolts

---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/QCT599-2022
QC AUTOMOBILE INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040 CCS T 33 Replacing QC/T 599-2013 Overhead projection weld bolts ISSUED ON: APRIL 08, 2022 IMPLEMENTED ON: OCTOBER 01, 2022 Issued by: Ministry of Industry and Information Technology of PRC

Table of Contents

Foreword ... 6 1 Scope ... 7 2 Normative references ... 7 3 Terms and definitions ... 8 4 Types and sizes ... 8 5 Technical conditions ... 12 6 Product number ... 12

Foreword

This document was drafted in accordance with the provisions of GB/T 1.1-2020 "Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents". This document replaces QC/T 599-2013 "Overhead projection weld bolts". Compared with QC/T 599-2013, the main technical changes are as follows: - MODIFY the dimensions α, k, r, r1 values of type A overhead projection weld bolts (see Table 1); - MODIFY the dimensionsα and r of type B overhead projection weld bolts (see Table 2) - ADD the nominal values of size d1, d3, k, h of type A overhead projection weld bolts and of d1, e, f, h of type B overhead projection weld bolts (see Table 1 and Table 2); - ADD the fine thread specifications (see Table 1 and Table 2) - MODIFY the requirements on thread tolerances (see Table 3); - CANCEL the special requirements on mechanical properties, changing it into the provisions in GB/T 3098.1-2010 (see Table 3). This document was proposed by AND shall be under the jurisdiction of the National Automotive Standardization Technical Committee (SAC/TC 114). Drafting organizations of this document: Automotive Engineering Research Institute of Guangzhou Automobile Group Co., Ltd. The main drafters of this document: Zhao Zhe, Wu Zhixuan, Wang Pan, Yang Guang. This standard replaces the standard previously issued as follows: - QC/T 599-1999; - QC/T 599-2013; - This is the second revision. Overhead projection weld bolts

1 Scope

This document specifies the types, dimensions, and technical conditions of overhead projection weld bolts. This document is applicable to the type A overhead projection weld bolts and type B overhead projection weld bolts for automobiles, which have a thread specification of M4 ~ M12/M12 x 1.25.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, for dated references, only the version corresponding to the date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document. GB/T 2 Fasteners - Ends of parts with external thread GB/T 90.1-2002 Fasteners - Acceptance inspection GB/T 90.2-2002 Fasteners - Marking and packaging GB/T 196 General purpose metric screw threads - Basic dimensions GB/T 197 General purpose metric screw threads - Tolerances GB/T 3098.1-2010 Mechanical properties of fasteners - Bolts, screws and studs GB/T 3103.1-2002 Essential oils and aromatic extracts - Determination of residual benzene content GB/T 5779.1-2000 Fasteners - Surface discontinuities - Bolts, screws and studs for general requirements QC/T 326 Coding rules for automotive standardized parts QC/T 625 Metallic coatings and conversion coatings for automobiles ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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