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GB/T 6172.1-2016 English PDF (GBT6172.1-2016)

GB/T 6172.1-2016 English PDF (GBT6172.1-2016)

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GB/T 6172.1-2016: Hexagon thin nuts (chamfered)

This Part of GB/T 617 specifies the types and dimensions, technical specifications and marking of hexagon thin nuts.
GB/T 6172.1-2016
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 21.060.20
J 13
Replacing GB/T 6172.1-2000
Hexagon Thin Nuts (Chamfered)
???????????????
(ISO 4035. 2012, Hexagon Thin Nuts Chamfered (Style 0) ?€?
Product Grades A and B, MOD)
ISSUED ON. FEBRUARY 24, 2016
IMPLEMENTED ON. JUNE 1, 2016
Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative References ... 5
3 Dimensions... 6
4 Technical Specifications and Normative References ... 8
5 Marking ... 9
Foreword
This Part of GB/T 6172 is one of the national standards of the ?€?Hexagon Nuts (Part)?€? series; this series includes.
-- GB/T 41 Hexagon Nuts, Style 1 ?€? Product Grade C
-- GB/T 6170 Hexagon Nuts, Style 1
-- GB/T 6171 Hexagon Nuts, Style 1, with Fine Pitch Thread
-- GB/T 6172.1 Hexagon Thin Nuts(Chamfered)
-- GB/T 6173 Hexagon Thin Nuts (Chamfered) with Fine Pitch Thread
-- GB/T 6174 Hexagon Thin Nuts (Unchamfered)
-- GB/T 6175 Hexagon Nuts, Style 2
-- GB/T 6176 Hexagon Nuts, Style 2, with Fine Pitch Thread
-- GB/T 6177.1 Hexagon Nuts with Flange, Style 2
-- GB/T 6177.2 Hexagon Nuts with Flange, Style 2 ?€? Fine Pitch Thread
This Part is Part 1 of GB/T 6172.
This Part was drafted in accordance with the rules given in GB/T 1.1-2009. This Part replaces GB/T 6172.1-2000 ?€?Hexagon Thin Nuts(Chamfered)?€?. Compared with GB/T 6172.1-2000, the main technical changes are as follows.
-- it deletes ?€?For other technical requirements, ...selected from GB/T 3098.2 and GB/T 3103.1?€? (Chapter 1 of Edition 2000);
-- it unifies the reference thread standards to be GB/T 193 and GB/T 9145 (Chapter 2); and
-- it increases the mechanical properties of steel nuts. QT ?€? Quenching and Tempering (Table 3).
This Part was redrafted by reference to ISO 4035.2012 ?€?Hexagon Thin Nuts Chamfered (Style 0) ?€? Product Grades A and B?€? (English Edition).
The technical differences and their reasons between this Part and ISO 4035 are as follows.
-- it deletes the provision of ISO 4035 ?€?For other technical requirements, ...selected from ISO 4759-1?€? (Chapter 1), which does not belong to the content of this Standard;
-- it increases the references in the Normative References using Chinese standards to replace international standards (Chapter 2), including GB/T 90.2 (Table 3), GB/T 193 (Table 3), GB/T 5267.4 (Table 3), GB/T 9145 (Table 3) and GB/T 1237 (5.1); and deletes the references including ISO 724 and ISO 965-1, in order to conform to the basic standards of fasteners in China.
-- it increases for steel nuts QT ?€? Quenching and Tempering (Table 3) in order to implement the basic standards; and
-- it modifies the marking examples to the simplified marking examples (5.2), in order to conform to the provisions of GB/T 1237.
The following editorial changes are made for this Standard.
-- it changes the name of the standard; and
-- it deletes the reference of ISO 4035.
This Part was proposed by China Machinery Industry Federation.
This Part shall be under the jurisdiction of the National Standardization Technical Committee on Fasteners (SAC/TC 85).
The drafting organization of this Part. China Productivity Center for Machinery. The organizations participating in the drafting of this Part. Zhoushan Zhengyuan Standard Parts Co., Ltd., Haiyan Yuxing nuts Co., Ltd. and Zhejiang Haili Co., Ltd. This Part shall be interpreted by the Secretariat of the National Standardization Technical Committee on Fasteners.
The previous editions replaced by this Part are as follows.
-- GB/T 53-1958, GB/T 53-1966 and GB/T 53-1976;
-- GB/T 54-1958, GB/T 54-1966 and GB/T 54-1976;
-- GB/T 6172-1986 and GB/T 6172.1-2000.
Hexagon Thin Nuts (Chamfered)
1 Scope
This Part of GB/T 617 specifies the types and dimensions, technical specifications and marking of hexagon thin nuts.
This Part applies to hexagon thin nuts (chamfered). thread specification M1.6 to M64; performance grade 04, 05, A2-025, A2-035, A4-025, A4-035, CU2, CU3 and AL4; product grades A and B. Grade A is for nuts with D ??? 16mm; and Grade B for nuts with D > 16 mm.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition dated applies to this document. For undated references, the latest edition of the referenced document (including any amendments) applies to this Standard.
GB/T 90.1 Fasteners ?€? Acceptance Inspection (GB/T 90.1-2002, ISO 3269.2000, MOD)
GB/T 90.2 Fasteners ?€? Marking and Packaging
GB/T 193 General Purpose Screw Threads ?€? Diameters and Pitches (GB/T 193-2003, ISO 261.1998, MOD)
GB/T 1237 Designation System for Fasteners (GB/T 1237-2000, ISO 8991.1986, EQV)
GB/T 3098.2 Mechanical Properties of Fasteners ?€? Nuts (GB/T 3098.2-2015, ISO 898-2.2012, MOD)
GB/T 3098.10 Mechanical Properties of Fasteners ?€? Bolts, Screws, Studs and Nuts Made of Non-Ferrous Metals (GB/T 3098.10-1993, ISO 8839.1986, EQV)
GB/T 3098.15 Mechanical Properties of Fasteners ?€? Nuts Made of Stainless-steel (GB/T 3098.15-2014, ISO 3506-2.2009, MOD)
GB/T 3103.1 Tolerances for Fasteners ?€? Bolts, Screws, Studs and Nuts (GB/T 3103.1-2000, ISO 4759-1.2000, IDT)
GB/T 5267.1 Fasteners - Electroplated Coatings (GB/T 5267.1-2002, ISO 4042.1999, IDT)

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