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GB/T 30027-2021: Round steel short link chains for lifting purposes - Fine tolerance hoist chains for hand operated chain hoists - Grade VH
Status: Valid GB/T 30027: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 30027-2021 | English | 414 |
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Round steel short link chains for lifting purposes - Fine tolerance hoist chains for hand operated chain hoists - Grade VH
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GB/T 30027-2021
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| GB/T 30027-2013 | English | 599 |
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Short link chains for lifting purposes -- Grade VH, fine tolerance for manually operated chain hoists
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GB/T 30027-2013
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PDF similar to GB/T 30027-2021
Basic data | Standard ID | GB/T 30027-2021 (GB/T30027-2021) | | Description (Translated English) | Round steel short link chains for lifting purposes - Fine tolerance hoist chains for hand operated chain hoists - Grade VH | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J80 | | Word Count Estimation | 22,227 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 30027-2021: Round steel short link chains for lifting purposes - Fine tolerance hoist chains for hand operated chain hoists - Grade VH
---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.
Round steel short link chains for lifting purposes - Fine tolerance hoist chains for hand operated chain hoists - Grade VH
ICS 53.020.30
CCSJ80
National Standards of People's Republic of China
Replace GB/T 30027-2013
Steel short chain for lifting
High precision chain VH grade for manual chain hoist
(ISO 16872.2015, IDT)
Released on 2021-03-09
2021-10-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 General Rules for Acceptance 2
5 size 2
6 Material and manufacturing 4
7 Verification of safety requirements 10
8 Mark 12
9 Manufacturing certificate 12
10 Assembly and use of the chain on the hoist 12
Appendix A (Normative) Calculation Principle 14
Reference 16
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document replaces GB/T 30027-2013 ``High-precision chain for short-link chain VH grade manual chain hoist for lifting'', and
Compared with GB/T 30027-2013, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
---Changed the size (see Chapter 5, Chapter 5 of the.2013 edition);
---Changed the material and manufacturing (see Chapter 6, Chapter 6 of the.2013 edition);
--- Changed the security requirements verification (see Chapter 7, Chapter 7 of the.2013 edition);
---Changed the assembly and use of the chain on the gourd (see Chapter 10, Chapter 10 of the.2013 edition);
--- Changed Appendix A (see Appendix A, Appendix A of the.2013 edition).
This document is equivalent to ISO 16872.2015 "High-precision chain VH for manual chain hoist with steel short link chain for lifting".
The Chinese documents that have consistent correspondence with the normatively cited international documents in this document are as follows.
---GB/T 229-2020 Charpy pendulum impact test method for metallic materials (ISO 148-1.2016, MOD)
---GB/T 4340.1-2009 Vickers hardness test of metallic materials Part 1.Test method (ISO 6507-1.2005,
MOD)
---GB/T 16825.1-2008 Inspection of static uniaxial testing machine Part 1.Tensile and (or) pressure testing machine force measuring system
Inspection and calibration (ISO 7500-1.2004, IDT)
---GB/T 19748-2019 Charpy V-notch pendulum impact test instrumental test method for metallic materials (ISO 14556.
2015, MOD)
---GB/T 19764-2005 Priority Number and Priority Numbering Integer Value Series Selection Guide (ISO 497.1973, IDT)
---GB/T 20946-2007 General Rules for Acceptance of Short Link Chains for Lifting (ISO 1834.1999, IDT)
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed by China Machinery Industry Federation.
This document is under the jurisdiction of the National Hoisting Machinery Standardization Technical Committee (SAC/TC227).
Drafting organizations of this document. Anji Changhong Chain Manufacturing Co., Ltd., Zhejiang Shuangniao Machinery Co., Ltd., Beijing Hoisting and Conveying Machinery Design and Research Institute
Co., Ltd., Henan Branch of Beijing Hoisting and Conveying Machinery Design and Research Institute Co., Ltd., Zhejiang Guanlin Machinery Co., Ltd., Hebei Shenli Rigging Set
Group Co., Ltd., Shandong Shenli Rigging Co., Ltd., Jiangxi Hoisting Machinery Factory Co., Ltd.
The main drafters of this document. Yang Weibo, Zhu Shuzhan, Zhang Pei, Zhang Weilong, Wang Honghua, Su Yutian, Zhang Tixue, Guo Lingqi, Wang Fuhua.
This document was first published in.2013, and this is the first revision.
Steel short chain for lifting
High precision chain VH grade for manual chain hoist
1 Scope
This document specifies the technical requirements of VH high-precision hoist chains for manual chain hoists (hereinafter referred to as hoist chains). The chain is
The round steel short link chain that has been welded, heat treated and tested, and meets the general acceptance rules specified in ISO 1834.
Note 1.The letter "V" indicates the grade, which conforms to ISO 1834.
Note 2.The letter "H" indicates that this type of hoist chain is only suitable for manual hoists.
Note 3.The definitions of resistance welding and flash butt welding are listed in ISO 4063.
This document applies to high-precision hoist chains with a nominal size of 3mm~13mm and an operating environment temperature of -10℃~150℃.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
ISO 148-1 Charpy Pendulum Impact Test of Metallic Materials Part 1.Test Method (Metalicmaterials-Charpy
pendulumimpacttest-Part 1.Testmethod)
ISO 497 Guidelines for Selecting Priority Number Series and Priority Number Series Containing More Round Integer Values (Guidetothechoiceofseries
ofpreferrednumbersandofseriescontainingmoreroundedvaluesofpreferrednumbers)
ISO 643 Steel-Micrographic determination of the apparent grain size of steel
apparentgrainsize)
ISO 1834 Shortlinkchainforliftingpurpose-Generalconditionsof
acceptance)
ISO 6507-1 Vickers hardness test of metallic materials Part 1.Test method (Metalicmaterials-Vickers
hardnesstest-Part 1.Testmethod)
ISO 7500-1 Verification of static uniaxial testing machine Part 1.Inspection and calibration of force measuring system of tension and compression testing machine (Me-
talicmaterials-Verificationofstaticuniaxialtestingmachines-Part 1.Tension/compressiontesting
machines-Verificaioandcalibrationoftheforce-measuringsystem)
ISO 14556 Steel Charpy V-notch pendulum impact test instrument test method (Steel-CharpyV-notchpendulum
impacttest-Instrumentedtestmethod)
3 Terms and definitions
The following terms and definitions defined by ISO 1834 apply to this document.
3.1
Standard gauge length
Based on the multi-pitch length of 11 links.
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