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English GB/T 4440-2022 PDF (GB/T 4440-2008: Older version)

Search result: GB/T 4440-2022 (GB/T 4440-2008 Older version)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 4440-2022English289 Add to Cart 3 days [Need to translate] Adjustable wrenches Valid GB/T 4440-2022
GB/T 4440-2008English359 Add to Cart 3 days [Need to translate] Adjustable wrenches Obsolete GB/T 4440-2008
GB/T 4440-1998English319 Add to Cart 3 days [Need to translate] Adjustable wrenches Obsolete GB/T 4440-1998
GB 4440-1984English199 Add to Cart 2 days [Need to translate] Adjustable wrenches Obsolete GB 4440-1984


BASIC DATA
Standard ID GB/T 4440-2022 (GB/T4440-2022)
Description (Translated English) Adjustable wrenches
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J47
Classification of International Standard 25.140.30
Word Count Estimation 13,196
Date of Issue 2022-11-08
Date of Implementation 2023-06-01
Older Standard (superseded by this standard) GB/T 4440-2008
Issuing agency(ies) State Administration for Market Regulation, National Standardization Management Committee


GB/T 4440-2022 Adjustable wrenches ICS 25.140.30 CCSJ47 National Standards of People's Republic of China Replacing GB/T 4440-2008 live wrench Released on 2022-11-08 2023-06-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee 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 for Standardization Documents" drafting. This document replaces GB/T 4440-2008 "Adjustable Wrench". Compared with GB/T 4440-2008, except for structural adjustment and editorial changes, The main technical changes are as follows. --- Added terms and definitions (see Chapter 3); --- Increased product classification (see 4.2); --- Changed the material requirements (see 5.1, 4.1 of the.2008 edition); --- Added products with specifications of 750mm and 900mm and related dimensions (see 5.2); --- Changed the torque requirements (see 5.4, 4.3 of the.2008 edition); --- Changed the surface quality requirements (see 5.7.4, 4.6.4 of the.2008 edition) --- Added test methods for materials (see 6.1); ---Changed the torque test method (see 6.4, 5.3 of the.2008 edition); ---Changed the small shoulder gap test method (see 6.5.2, 5.4.2 of the.2008 edition); ---Changed the test method of electroplating layer thickness in surface treatment (see 6.6, 5.5.1 of the.2008 edition); --- Changed the inspection rules (see Chapter 7, Chapter 6 of the.2008 edition). This document is modified to adopt ISO 6787.2018 "Adjustable wrenches for screw and nut assembly tools". Compared with ISO 6787.2018, this document has more structural adjustments. Comparison list of structure number changes between two files See Appendix A. Compared with ISO 6787.2018, this document has more technical differences, and vertical single Lines (|) are marked. See Appendix B for a list of these technical differences and their causes. The following editorial changes have been made to this document. --- Change the file name to "Live Wrench"; --- Removed references. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China National Light Industry Council. This document is under the jurisdiction of the National Hardware Products Standardization Technical Committee (SAC/TC174). This document is drafted by. Weihai Liyu Industrial Co., Ltd., Hangzhou Great Star Technology Co., Ltd., Star Tools (Shanghai) Co., Ltd. Division, Shanghai Tool Industry Research Institute, Zhangjiagang Zhongtianda Tools Co., Ltd., Wenling City Qinghai Lake Tools Co., Ltd., Ningbo Changcheng Seiko Industrial Co., Ltd. Industry Co., Ltd., Zhejiang Yiyang Tool Manufacturing Co., Ltd., Hebei Zhongbo Explosion-Proof Tools Group Co., Ltd., Dimension Explosion-Proof Tools (Tianjin) Group Co., Ltd., Cangzhou Dean Explosion-proof Special Tool Manufacturing Co., Ltd., Ningbo Deli Tools Co., Ltd., Zhejiang Bosi Bichuan Yinzhou Technology Co., Ltd., Foshan Yingzhiyin Hardware Tools Manufacturing Co., Ltd., Jiande City Yuanfeng Tools Co., Ltd., Zhejiang Feiling Tools Co., Ltd., Zhao Yuanshi Hongrun Machinery Manufacturing Co., Ltd., Jiangsu Hongbao Tools Co., Ltd., Zhejiang Sida Tools Co., Ltd., Ningbo Jufeng Tools Industry Co., Ltd. Company, Nantong Jinhe Tools Co., Ltd., Jiangsu Weisheng Trading Co., Ltd., Nuoba Precision Machinery (Shanghai) Co., Ltd., Shanghai Fu Tools Co., Ltd. Co., Ltd., Jinyi Industrial Co., Ltd. The main drafters of this document. Yu Jinshan, Wang Weiyi, Xu Hong, Zhou Along, Zhou Lu, Pang Nianqun, Zhang Li, Wu Tianguo, Chen Lihai, Yang Chunwei, Yang Dongjiang, Yang Jingwei, Fu Jinghong, Zhang Dagang, Fang Yongjiong, Lin Zhongwei, Liao Zhubiao, Zhang Xilin, Dong Peng, Wang Zhuming, Liu Zhiqing, Jiang Jianjun, Zhu Jianping, Zhang Xin, Zeng Zhida, Ma Lichun, Jiang Zhenyu, Zhang Jun. The release status of previous versions of this document and the documents it replaces are as follows. --- First published as GB/T 4440-1998 in.1998, first revised in.2008; --- This is the second revision. live wrench 1 Scope This document specifies the product classification and marking, requirements, test methods, inspection rules and signs, packaging, transportation and storage of adjustable wrenches. This document applies to adjustable wrenches for turning bolts and nuts or other fasteners. 2 Normative references The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 230.1 Rockwell hardness test for metallic materials - Part 1.Test method (GB/T 230.1-2018, ISO 6508-1. 2016, MOD) GB/T 699 High Quality Carbon Structural Steel GB/T 2828.1 Count sampling inspection procedure Part 1.Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL) (GB/T 2828.1-2012, ISO 2859-1.1999, IDT) GB/T 4955 Metal coating coating thickness measurement - anodic dissolution coulometric method (GB/T 4955-2005, ISO 2177. 2003, IDT) GB/T 5305 Packaging, marking, transportation and storage of hand tools GB/T 6060.2 Surface roughness comparison samples Grinding, turning, boring, milling, inserting and planing surfaces (GB/T 6060.2-2006, ISO 2632-1.1985, MOD) GB/T 6462 Microscopic method for measuring the thickness of metal and oxide coatings (GB/T 6462-2005, ISO 1463.2003, IDT) 3 Terms and Definitions 3.1 opening dimensionopeningdimension By adjusting the worm, the movable wrench is moved to the maximum distance from the vertical surface of the wrench body, the size between the two vertical mouth surfaces. Note. The unit is millimeter (mm). 3.2 Small shoulder clearance The gap between the small shoulder plane of the movable wrench and the guide rail surface of the wrench body. Note. The unit is millimeter (mm). ......


GB/T 4440-2008 Adjustable wrenches ICS 25.140.30 J47 National Standards of People's Republic of China Replacing GB/T 4440-1998 Adjustable Wrench (ISO 6787.2001, Assemblytoolsforscrewsandnuts- Adjustablewrenches, MOD) Posted 2008-12-30 2009-09-01 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 6787.2001 "Assembly tools for screws and nuts Wrench" (in English). This standard is based on ISO 6787.2001 re-drafted. Appendix A lists the control of the standard terms and provisions of a standard international Lanbiao. Taking into account China's national conditions, in the use of ISO 6787.2001, this standard made some changes. About the technical differences have been incorporated into the body And they are involved in the provision of margin identified by a single vertical line. Given these technical differences and their causes in Appendix B The list for reference. This standard and ISO 6787.2001 The main differences are as follows. --- Some of the statements apply to international standards to apply to our standard formulation; --- Increased material requirements (edition 4.1); --- Of a spanner mouth and pull the body assembly performance are prescribed (edition 4.4); --- Surface treatment and surface quality makes provision (Excerpts of 4.5, 4.6); --- Test Method for size, hardness, assembly, surface treatment and surface quality are prescribed (Chapter 5 of this edition); --- Makes provision for inspection rules (Chapter 6 of this edition); --- For packaging, labeling, transportation and storage makes provision (Chapter 7 of this edition); --- Made an adjustment on the part of the content. This standard replaces GB/T 4440-1998 "wrench." This standard and GB/T 4440-1998 compared to the main changes are as follows. --- Basic size was revised (1998 version 3.2, this version 3.2); --- Increased material requirements (edition 4.1); --- Minimum test torque adjustment has been made (1998 version 4.2, this version 4.3); --- Reducing the coating thickness requirements (1998 version 4.4, this version 4.5.2); --- Increased wrench black surface treatment or other compounds generation processing requirements (this version 4.6.2); --- Modify the assembly performance test methods from small shoulder seam (1998 version 5.2.2, this version 5.4.2); --- Increasing the product logo (edition 7.1). Appendix A of this standard and Appendix B is an informative annex. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee, hardware tools, hardware sub-technical committee. This standard by the Shanghai Industrial Tool Research Institute, Deng Wei, Li tool Group Co., Ltd. is responsible for drafting, Ningbo Great Wall Precision Industrial Co., Secretary, Shandong Thai workers, industry and trade limited liability company, Hangzhou Qianjiang Hardware Tools Co., Ltd., Shanghai Star labor Tools Co., Ltd., Shanghai Tian Wild Tool (Group) Co., Ltd., Jiangsu Sainty International Group Co., Ltd. Jiangdu tool, Hebei Park Safety Tool Group Co., Ltd. participated Drafted. Drafters of this standard. Wu Zu Xun, Liu Yuxin, Jujia Ping, Chen Lihai, Ye Yu Peng, Chen Miao, Xu Shuguang, Panyu Jie, Weng Hang Jian, Zoujia Ping, Yang Dongjiang, Gu Qing. This standard replaces the standards previously issued as follows. --- GB 4440-1984, GB/T 4440-1998; --- GB 4441-1984. Adjustable Wrench 1 Scope This standard specifies the wrench product classification, technical requirements, test methods, inspection rules, packaging, labeling, transportation and storage. This standard applies to wrenching bolts and nuts, or other fasteners wrench. 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 230.1 Metallic Rockwell hardness test - Part 1. Test methods (A, B, C, D, E, F, G, H, K, N, T scale) (GB/T 230.1-2004, ISO 6508-1.1999, MOD) GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan (GB/T 2828.1-2003, ISO 2859-1.1999, IDT) GB/T 4955 Metallic coatings - Measurement of coating thickness anodic dissolution coulometry (GB/T 4955-2005, ISO 2177. 2003, IDT) GB/T 5305 Hand tools, packaging, labeling, transportation and storage GB/T 6060.2 Roughness comparison specimens - Ground, turned, bored, milled, shaped and planed (GB/T 6060.2-2006, ISO 2632-1. 1985, MOD) GB/T 6462 and the metal oxide coating layer thickness measurement microscope method (GB/T 6462-2005, ISO 1463.2003, IDT) 3 Classification and Marking 3.1 Product Type Wrench of the type shown in Figure 1. The standard diagram is merely an example and does not impact on product design. Figure 1 wrench of the type ......

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