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GB/T 22029-2008: Hot-dip galvanized screw threads -- On external screw threads there is the clearance for accommodating the hot-dip galvanized coat
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 22029-2008 | English | 169 |
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Hot-dip galvanized screw threads -- On external screw threads there is the clearance for accommodating the hot-dip galvanized coat
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GB/T 22029-2008
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PDF similar to GB/T 22029-2008
Basic data | Standard ID | GB/T 22029-2008 (GB/T22029-2008) | | Description (Translated English) | Hot-dip galvanized screw threads -- On external screw threads there is the clearance for accommodating the hot-dip galvanized coat | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J04 | | Classification of International Standard | 21.040.10 | | Word Count Estimation | 7,712 | | Date of Issue | 2008-06-19 | | Date of Implementation | 2009-01-01 | | Quoted Standard | GB/T 192; GB/T 196; GB/T 197; GB/T 9144; GB/T 3098.1 | | Adopted Standard | ISO 965-4-1998, MOD | | Regulation (derived from) | National Standard Approval Announcement 2008 No.10 (Total No.123) | | 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 | | Summary | This standard specifies the type of tooth accommodate galvanized layer on the outer screw thread, diameter and pitch series, basic dimensions, tolerance, markers and limit size. This standard applies to hot-dip galvanized threaded fasteners. There are hot dip galvanized layer on the outer surface of the thread, the thread tapping after plating. | GB/T 22029-2008: Hot-dip galvanized screw threads -- On external screw threads there is the clearance for accommodating the hot-dip galvanized coat
---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.
Hot-dip galvanized screw threads. On external screw threads there is the clearance for accommodating the hot-dip galvanized coat
ICS 21.040.10
J04
National Standards of People's Republic of China
Hot dip galvanized Thread
Receiving zinc coating on the outer thread
(ISO 965-4.1998, ISO generalpurposemetricscrewthreads-
Tolerances-Part 4. Limitsofsizesforhot-dipgalvanized
tolerancepositionHorGaftergalvanizing, MOD)
Posted 2008-06-19 2009-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This revised standard adopts ISO 965-4.1998 "ISO general purpose metric screw threads - Tolerances - Part 4. Extreme hot dip galvanized external screw thread
Size, matching internal thread tapping its tolerance position after plating is H or G "(in English). The main difference between the two is a standard arrangement
order. This standard is in accordance with the basic structure and cis tooth type, diameter and pitch range, basic dimensions, tolerances and size limits, and several other parameters thread
Order and complete the provisions of the hot-dip galvanized threaded the technical content. The standard Chapter, paragraph choreography correspondence with ISO standards as follows.
The standard Chapter, Article segment ISO standard chapter, article, section
Chapter 1, Chapter 2, Chapter 3, Chapter 1, Chapter 2, Section 3
Chapter 4, paragraph 2, Chapter 1, paragraph 4, paragraph 5
Chapter 5, paragraph 1 of Chapter 1, paragraph 1 (ISO 68-1)
Chapter 5, paragraph 2 and Tables 1 and 2 in a row
Chapter 6, Chapter 1, paragraph 1 (ISO 262)
Chapter 7 -
Article 8.1 paragraph 1 of Chapter 1, paragraph 3 (ISO 965-1)
Article 8.1 paragraph 2 of Article 5 and Table 2 and Table 1 in the two columns (es)
Chapter 1, Section 8.2, paragraph 3, (ISO 965-1)
Chapter 9 of the two columns in Table 2
Chapter 10, Paragraph 5 of Chapter 6
Chapter 11, Chapter 4
Chapter 12, paragraphs 1 and 6 of Table 3 and Table 2
Chapter 12, paragraph 2, Chapter 1, paragraph 3 (ISO 965-1)
Chapter 13 Table 2 column
This standard is hot on the outer layer of galvanized threaded to accommodate dip galvanized threads. Hot-dip galvanized thread there are two standards.
--- GB/T 22028-2008 accommodate hot-dip galvanized zinc coating on the inner screw thread;
--- GB/T 22029-2008 hot-dip galvanized external screw thread on the receiving zinc coating.
When used, which can only use a standard threaded inside. It does not form complexes with another thread with a standard thread standard.
This standard by the National Standardization Technical Committee thread (SAC/TC108) and focal points.
This standard is drafted by. Productivity Promotion Center in the machine.
Participated in the drafting of this standard. Zhejiang Haili Group Co., Ltd., Ningbo Kowloon Fastener Manufacturing Co., Ltd., Ningbo's Yinzhou meter gold
Metal surface treatment plant.
The main drafters of this standard. Li Xiaobin, Wang Zhengyin, Xu Yong, meter civilization.
Hot dip galvanized Thread
Receiving zinc coating on the outer thread
1 Scope
This standard specifies the tooth type, diameter and pitch range, basic dimensions, tolerances, marking and limit accommodating zinc coating on the outer screw thread
size.
This standard applies to hot-dip galvanizing threaded fasteners. There are hot-dip galvanizing layer on the outer surface of the thread, the internal thread after tapping plating.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 192 ordinary screw threads - Basic model (GB/T 192-2003, ISO 68-1.1998, ISO generalpurposescrew
threads-Basicprofile-Part 1. Metricscrewthreads, MOD)
GB/T 196 common thread basic size (GB/T 196-2003, ISO 724.1993, ISO generalpurposemetric
screwthreads-Basicdimensions, MOD)
GB/T 197 common thread tolerance (GB/T 197-2003, ISO 965-1.1998, ISO generalpurposemetric
screwthreads-Tolerances-Part 1. Principlesandbasicdata, MOD)
GB/T 3098.1 Mechanical properties of fasteners Bolts, screws and studs (GB/T 3098.1-2000, idt ISO 898-1.1999)
GB/T 9144 common thread preferred series (GB/T 9144-2003, ISO 262.1998, ISO generalpurposemetric
screwthreads-Selectedsizesforscrews, boltsandnuts, MOD)
GB/T 14791 threads term (GB/T 14791-1993, neq ISO 5408. 1983)
GB/T 15756 common thread size limit
GB/T 22028 hot dip galvanized zinc coating to accommodate the inner thread (GB/T on the thread 22028-2008, ISO 965-5.1998,
ISO generalpurposemetricscrewthreads-Tolerances-Part 5. Limitsofsizesforinternalscrew
threadstomatewithhot-dipgalvanizedexternalscrewthreadswithmaximumsizeoftoleranceposi-
tionhbeforegalvanizing, MOD)
3 Terms and Definitions
Terms and definitions GB/T 14791 stipulated apply to this standard.
4 Use General
Threaded plated before leaving large gaps (az basic deviation) for receiving the outer threaded surface of hot-dip galvanized coating; plated internal thread after tapping harvest
Standard tolerance position and standard tolerance grades ordinary thread standard (GB/T 197) specified.
Since the area is reduced stress, tensile strength of this standard external threads of the workpiece to allow sub-standard workpiece having a common thread anti
Tensile strength.
Heat GB/T 22028 specifies the zinc coating on the inner housing dip galvanized screw threads. When you use this standard to distinguish between large
Large gap clearance between the outer screw thread and GB/T 22028 requirements.
This standard specifies a large gap between the large clearance between the outer thread can not be GB/T 22028 stipulated the formation of mating threaded connection. Such complexes of
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