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GB/T 32076.2-2015 English PDF

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GB/T 32076.2-2015: High-strength structural bolting assemblies for preloading -- Part 2: Suitability for preloading
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 32076.2-2015239 Add to Cart 3 days High-strength structural bolting assemblies for preloading -- Part 2: Suitability for preloading Valid

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GB/T 33943   GB/T 35481   GB/Z 32564   GB/T 32076.11   GB/T 32076.10   GB/T 32076.9   

Basic data

Standard ID: GB/T 32076.2-2015 (GB/T32076.2-2015)
Description (Translated English): High-strength structural bolting assemblies for preloading -- Part 2: Suitability for preloading
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J13
Classification of International Standard: 21.060.10
Word Count Estimation: 11,169
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 32076.2-2015: High-strength structural bolting assemblies for preloading -- Part 2: Suitability for preloading


---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 2. Suitability for preloading ICS 21.060.10 J13 National Standards of People's Republic of China Preload high-strength bolted connection structure vice Part 2. Adaptability preload Part 2. Suitabilityforpreloading 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 is GB/T Part of 232,076. 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. Limited Shandong high-strength fasteners, high strength bolts Shanghai Co., Ltd., Zhejiang Ye Ling Industrial Co., The company, Jiangsu to fasten Technology Development Co., Ltd., Ningbo Beijing Electric Co., Ltd., Xuzhou Ruida Fastener Co., Ltd., Ningbo Kowloon Fastener Manufacturing Co., Ltd., Beijing Branch Goldwind Wind Power Equipment Co., Ltd., Shaanxi Haifeng Petroleum Machinery Manufacturing 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 2. Adaptability preload

1 Scope

GB/T 32076 provisions of this part of the pre-load of high-strength structural bolting connections made (hereinafter referred to as bolted connections made) technical requirements and test Test methods, to ensure that the metal structure bolted connection of the sub preload adaptability. Preload provides adaptive test methods checked bolted connection of the sub features, to ensure that meet the requirements of the method according to tighten the relevant provisions of Preload and adequate safety factor to prevent the ultra-twist or break. 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.

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 32076.1 preload of high strength bolted connection structure Vice - Part 1. General requirements GB/T 32076.3 preload high-strength structural bolting connection deputy Part 3. HR type hexagon bolts and nuts deputy GB/T 32076.4 preload high-strength structural bolting connection deputy Part 4. HV type hexagon bolts and nuts deputy GB/T 32076.5 preload of high strength bolted connection structure Vice - Part 5. Plain washers GB/T 32076.6 preload of high strength connection of the sub section 6 bolted structure. chamfered flat washer GB/T 32076.7 preload of high strength bolted connection structure Vice - Part 7. M39 ~ M64 hexagon bolts and nuts even Then deputy

3 Terms and Definitions

Terms and definitions GB/T 32076.1 defined apply to this document. Code and Unit 4 Elongation A machined specimen,%; As, Nominal thread nominal stress area, mm2; d Nominal thread diameter, mm; Fb test bolt axial force, kN; Fbi single bolt axial force value (and the nut is rotated, torque or bolt elongation related), kN; Fbm Fbi mean value, kN; Fbimax test, the maximum axial force of the bolt reaches a value, kN; Fp predetermined preload value is 0.7RmAs, kN; Nominal tensile strength Rm, MPa; k coefficient of torque; Single value ki torque coefficient;
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