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GB/T 30026-2021 English PDF

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GB/T 30026-2021: Round steel short link chains for lifting purposes - Fine tolerance hoist chains for hand operated chain hoists - Grade TH
Status: Valid

GB/T 30026: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 30026-2021English414 Add to Cart 3 days [Need to translate] Round steel short link chains for lifting purposes - Fine tolerance hoist chains for hand operated chain hoists - Grade TH Valid GB/T 30026-2021
GB/T 30026-2013English599 Add to Cart 3 days [Need to translate] Short link chains for lifting purposes -- Grade TH, fine tolerance for manually operated chain hoists Obsolete GB/T 30026-2013

PDF similar to GB/T 30026-2021


Standard similar to GB/T 30026-2021

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Basic data

Standard ID GB/T 30026-2021 (GB/T30026-2021)
Description (Translated English) Round steel short link chains for lifting purposes - Fine tolerance hoist chains for hand operated chain hoists - Grade TH
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J80
Word Count Estimation 22,236
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 30026-2021: Round steel short link chains for lifting purposes - Fine tolerance hoist chains for hand operated chain hoists - Grade TH


---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 - Finetolerance hoist chains for hand operated chain hoists - Grade TH ICS 53.020.30 CCSJ80 National Standards of People's Republic of China Replace GB/T 30026-2013 Steel short chain for lifting High precision chain TH grade for manual chain hoist (ISO 16877.2015, 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 30026-2013 "Short Link Chain for Lifting, TH Grade Manual Chain Hoist with High Precision Chain", and Compared with GB/T 30026-2013, in addition to structural adjustments and editorial changes, the main technical changes are as follows. ---Modified the definition of standard measurement length (see 3.1, 3.1 in the.2013 edition); ---Modified the size (see Chapter 5, Chapter 5 of the.2013 edition); ---Modified the material and manufacturing (see Chapter 6, Chapter 6 of the.2013 edition); ---Modified the safety requirements verification (see Chapter 7, Chapter 7 of the.2013 edition); ---Modified the assembly and use of the chain on the gourd (see Chapter 10, Chapter 10 of the.2013 edition); --- Amended Appendix A (see Appendix A, Appendix A of the.2013 edition). This document is equivalent to ISO 16877.2015 "High Precision Chain TH Class for Steel Short Link Chain Manual Chain Hoist 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., Shandong Shenli Suo Co., Ltd., Hebei Shenli Rigging Group Co., Ltd., Jiangxi Hoisting Machinery Factory Co., Ltd. The main drafters of this document. Zhang Weilong, Li Chaoyong, Zhang Pei, Yang Weibo, Wang Honghua, Zhang Tixue, Su Yutian, 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 TH grade for manual chain hoist

1 Scope

This document specifies the technical requirements for TH-level high-precision hoist chains (hereinafter referred to as hoist chains) for manual chain hoists. 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 "T" 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.ISO 4063 specifies the definition of resistance welding and flash butt welding. This document is applicable to high-precision hoist chains with a nominal size of 3mm~13mm and an ambient temperature of -10℃~200℃.

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 preferred number and preferred number of integer series selection guide (Guidetothechoiceofseriesofpreferrednum- bersandofseriescontainingmoreroundedvaluesofpreferrednumbers) ISO 643 Steel-Micrographic determination of the apparent grain size of steel apparentgrainsize) ISO 1834 General Rules for Acceptance of Shortlink Chains for Lifting Purposes (Shortlinkchainforliftingpurposes-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 measurement system of tensile (or compression) testing machine (Metalicmaterials-Verificationofstaticuniaxialtestingmachines-Part 1.Tension/compression testingmachines-Verificaioandcalibrationoftheforce-measuringsystem) ISO 14556 Steel Charpy V-Notch Pendulum Impact Test Instrumental Test Method (Steel-CharpyV-notch pendulumimpacttest-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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