GB/T 32076.7-2015High-strength structural bolting assemblies for preloading—Part 7: M39~M64—Hexagon bolt with large width across flats and nut assemblies (English PDF)
预载荷高强度栓接结构连接副 第7部分：M39~M64 大六角头螺栓和螺母连接副
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 9, 2015
Implementation date
June 1, 2016
Scope
GB/T 32076.7-2015 is the English-translated version of 预载荷高强度栓接结构连接副 第7部分：M39~M64 大六角头螺栓和螺母连接副.
GB/T 32076.7-2015 is the Chinese standard "High-strength structural bolting assemblies for preloading—Part 7: M39~M64—Hexagon bolt with large width across flats and nut assemblies".
Its scope clause reads: GB/T 32076 in this part of the GB/T 32076.1 specifies the thread size of M39 ~ M64, a large hexagonal series, the performance rating 10.9/10, HV type, preload connected high-strength structural bolting bolts and nuts.
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. Its clauses include bolted connections made part size.
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Document preview — GB/T 32076.7-2015
National Standard of the People's Republic of China
- ICS
- 21.060.10
- Classification
- J 13
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 bolted connections made part size
- 3.1 bolt size
1 Scope
GB/T 32076 in this part of the GB/T 32076.1 specifies the thread size of M39 ~ M64, a large hexagonal series, the performance rating
10.9/10, HV type, preload connected high-strength structural bolting bolts and nuts.
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.
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 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 3103.3 Tolerances for fasteners flat washer
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
GB/T 5779.2 nut fastener surface defects
GB/T 9145 common thread moderate accuracy, limit the size of the preferred series
GB/T 22028 hot dip galvanized zinc coating on the housing threaded inner thread
GB/T 32076.1 preload of high strength bolted connection structure Vice - Part 1. General requirements
GB/T 32076.2 preload of high strength connection of the sub part 2 bolted structure. preload Adaptability
3 bolted connections made part size
3.1 bolt size
Bolt pattern dimensions shown in Figure 1 and Table 1.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 32076.1-2015 — High-strength structural bolting assemblies for preloading—Part 1: General requirements
GB/T 32076.10-2018 — High-strength structural bolting assemblies for preloading—Part 10: Assembly specifications
GB/T 32076.11-2024 — High-strength structural bolting assemblies for preloading—Part 11:Load Indicating washer
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GB/T 32076.7-2015
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