GB/T 42850-2023 English PDF

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GB/T 42850-2023: 1275 MPa MJ thread bolt
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42850-2023	499	Add to Cart	5 days	1275 MPa MJ thread bolt	Valid

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Basic data

Standard ID: GB/T 42850-2023 (GB/T42850-2023)
Description (Translated English): 1275 MPa MJ thread bolt
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V20
Classification of International Standard: 49.030.20
Word Count Estimation: 26,217
Date of Issue: 2023-08-06
Date of Implementation: 2024-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42850-2023: 1275 MPa MJ thread bolt

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 49.030.20 CCSV20 National Standards of People's Republic of China 1275MPaMJ threaded bolt Published on 2023-08-06 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

Preface III 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 General requirements 1 4.1 Structure and dimensions 1 4.2 Technical requirements 4 4.3 Mark 5 Appendix A (Normative) Technical Conditions 6

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed and coordinated by the National Aircraft Standardization Technical Committee (SAC/TC435). This document was drafted by. China Aviation Technology Research Institute, China Aviation Industry Corporation Xi'an Aircraft Design Institute, China Aviation Industry Corporation Aircraft Industry Group Shenyang Aircraft Design Institute, Shenyang Aircraft Industry (Group) Co., Ltd. The main drafters of this document are. Hou Kun, Zhang Zhe, Li Haitao, and Yuan Xinglei. 1275MPaMJ threaded bolt

1 Scope

This document specifies the structure, dimensions and technical requirements for 1275MPaMJ threaded bolts (hereinafter referred to as bolts). This document applies to the design, manufacturing and acceptance of 1275MPaMJ threaded bolts.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 90.2 Fastener marking and packaging GB/T 228.1 Tensile testing of metallic materials Part 1.Room temperature test methods GB/T 230.1 Rockwell hardness test of metallic materials Part 1.Test methods GB 5749 Hygienic Standards for Drinking Water GB/T 6394 Method for determination of average grain size of metals GB/T 13911 Metal plating and chemical treatment marking methods HB/Z83 stainless steel pickling and passivation treatment process HB5800 General tolerances HB5936 component marking HB6702 GH4169 alloy rod for WZ8 series ISO 3353-1 Aerospace threads - Part 1.Rolled external threads (Aerospace-Leadandrunout) ISO 5855-2 Aerospace MJ threads Part 2.Limit dimensions of bolts and nuts (Aerospace-MJthreads- ISO 7913 Aerospace-Boltsandscrews,metric-

3 Terms and definitions

There are no terms or definitions to be defined in this document.

4 General requirements

4.1 Structure and dimensions The structure of the bolt is shown in Figure 1, the dimensions are shown in Tables 1 and 2, and the theoretical weight is shown in Table 3. ......

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