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GB/T 32076.3-2015 English PDF

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GB/T 32076.3-2015: High-strength structural bolting assemblies for preloading -- Part 3: System HR -- Hexagon bolt with large width across flats and nut assemblies
Status: Valid
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GB/T 32076.3-2015English489 Add to Cart 4 days [Need to translate] High-strength structural bolting assemblies for preloading -- Part 3: System HR -- Hexagon bolt with large width across flats and nut assemblies Valid GB/T 32076.3-2015

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Basic data

Standard ID GB/T 32076.3-2015 (GB/T32076.3-2015)
Description (Translated English) High-strength structural bolting assemblies for preloading -- Part 3: System HR -- Hexagon bolt with large width across flats and nut assemblies
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J13
Classification of International Standard 21.060.10; 21.060.20
Word Count Estimation 23,257
Date of Issue 2015-10-09
Date of Implementation 2016-06-01
Regulation (derived from) National Standard Announcement 2015 No.31
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 32076.3-2015: High-strength structural bolting assemblies for preloading -- Part 3: System HR -- Hexagon bolt with large width across flats and nut assemblies


---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.
High-strength structural bolting assemblies for preloading - Part 3. System HR - Hexagon bolt with large width across flatsand nut assemblies ICS 21.060.10; 21.060.20 J13 National Standards of People's Republic of China Preload high-strength bolted connection structure vice Part 3. HR type hexagon bolts and Deputy nuts Part 3. SystemHR-Hexagonboltwithlargewidthacrossflats Issued on. 2015-10-09 2016-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 32076 "pre-load high-strength bolted connection structure Vice" includes the following sections. --- Part 1. General requirements; --- Part 2. Pre-load adaptability; Part --- Section 3. HR type hexagon bolts and nuts deputy; Part --- Chapter 4. HV type hexagon bolts and nuts deputy; --- Part 5. Plain washers; --- Part 6. chamfered flat washers; Part --- Article 7. M39 ~ M64 hexagon bolts and nuts. This section GB/T Part of 332,076. This section drafted in accordance with GB/T 1.1-2009 given rules. This part is proposed by China Machinery Industry Federation. This part of the National Standardization Technical Committee fasteners (SAC/TC85) centralized. This section is responsible for drafting unit. Productivity Promotion Center in the machine. Participated in the drafting of this section. Shanghai Jinma High Strength Fastener Co., Ltd. Shanghai high strength bolts factory, Ningbo Beijing Electric Technology Co., Ltd., Ningbo Fastener Manufacturing Co., Ltd., Jilin Tianhe Wind Power Equipment Co., Ltd., Shandong high-strength fasteners Limited Division of Jiangsu to fasten Technology Development Co., Ltd., Zhejiang Ye Ling Industrial Co., Ltd., Beijing Branch Goldwind Wind Power Equipment Co., Ltd., Jin billion real Industry Co., Ltd., general industrial machinery parts and components product quality supervision and inspection center. This part of the National Standardization Technical Committee Secretariat responsible for the interpretation of fasteners. Preload high-strength bolted connection structure vice Part 3. HR type hexagon bolts and Deputy nuts

1 Scope

GB/T 32076 in this part of the GB/T 32076.1 specifies the thread size of M12 ~ M36, a large hexagonal series, the performance rating 8.8/8 and 10.9/10, HR type, preload connected high-strength structural bolting bolts and nuts. This part of the design allows the bolts and nuts vice preload ≥0.7Rm × A1) s, and the main extension of the plastic elongation of the bolt guarantee performance. To this end, part shall have the following characteristics. --- Type 1 (standard) nut height, such as GB/T 6170; --- Bolt thread length according to GB/T 3106. This section provides the nuts and bolts connecting deputy shall further include the GB/T 32076.5 (at the nut bearing surface only) and/or GB/T 32076.6 Regulation Set of gaskets. Note. In order to obtain satisfactory results, ensure the correct use of the bolt is very important. About the right way to use, consult or refer to the relevant specification. Preload aptitude test see GB/T 32076.2. This section applies to industrial and civil construction, bridge, tower mast structure, boiler steel structure, lifting machinery and other steel structures preload connection The high strength bolts. Appendix A gives the nuts and bolts connecting deputy general clamping length and clamping length. Appendix B gives the European steel bolting two application types described. 1) Rm is the nominal tensile strength, As is the nominal thread stress area.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 3 common thread ending, from the shoulder, undercuts and chamfers GB/T 90.1 Fasteners acceptance inspection GB/T 90.2 Fasteners marking and packaging GB/T 193 common thread diameter and pitch series GB/T 1237 marking method fasteners GB/T 3098.1 Mechanical properties of fasteners Bolts, screws and studs GB/T 3098.2 Mechanical properties of fasteners GB/T 3103.1 Tolerances for fasteners - Bolts, screws, studs and nuts GB/T 3104 Fasteners Hexagon width across products GB/T 3106 Bolts, screws and studs - Nominal lengths, and thread lengths for general purpose bolts GB/T 5267.2 fasteners non-electrolytic zinc flake coating GB/T 5267.3 Fasteners hot dip galvanized coatings GB/T 5779.1 Fasteners - Surface discontinuities - Bolts, screws and studs for general requirements

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