Standard No.:	QC/T 869-2011
English Name:	Short-cycle drawn arc welding stud
Chinese Name:	短周期弧焊焊接螺柱
Chinese Classification:	T31    Fasteners
Professional Classification:	QC    Professional Standard - Automobile
Issued by:	MIIT
Issued on:	2011-12-20
Implemented on:	2012-7-1
Status:	superseded
Superseded by:	QC/T 869-2022 Shory-cycle drawn arc welding stud
Superseded on:	2022-10-1
Abolished on:	2022-10-01
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	204.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the types and dimensions as well as technical specification of short-cycle drawn arc welding studs. This standard is applicable to short-cycle drawn arc welding studs with thread sizes of M3~M10 and mechanical properties of Levels 4.8 and 8.8 and used for automobiles. 2 Normative References The following documents for the application of this standard are essential. Any dated reference, just dated edition applies to this standard. For undated references, the latest edition (including any amendments) applies to this standard. GB/T 90.1 Fasteners - Acceptance Inspection (ISO 3269) GB/T90.2 Fasteners - Marking and Packaging GB/T 196 General Purpose Metric Screw Threads - Basic Dimensions (ISO 724) GB/T 197 General Purpose Metric Screw Threads - Tolerances (ISO 965-1) GB/T 3098.1 Mechanical Properties of Fasteners - Bolts, Screws and Studs (ISO 898-1) GB/T 3103.1 Tolerances for Fasteners - Bolts, Screws, Studs and Nuts (ISO 4759-1) GB/T 5779.1 Fasteners - Surface Discontinuities - Bolts, Screws and Studs for General Requirements (ISO 6157-1) QC/T 326 Numbering Rules for Automobile Standardized Parts QC/T 625 Metallic Coatings and Conversion Coatings for Automobile 3 Types and Dimensions See Figure 1 and Table 1 for types and dimensions of short-cycle drawn arc welding studs.

Foreword i 1 Scope 2 Normative References 3 Types and Dimensions 4 Technical Specifications 5 Product Number