GB/T 25853-2010 English PDF

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GB/T 25853-2010: Chain slings assembled by methods other than welding -- Grade 8
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25853-2010	374	Add to Cart	3 days	Chain slings assembled by methods other than welding -- Grade 8	Valid

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Basic data

Standard ID: GB/T 25853-2010 (GB/T25853-2010)
Description (Translated English): Chain slings assembled by methods other than welding -- Grade 8
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J80
Classification of International Standard: 53.020.30
Word Count Estimation: 19,146
Date of Issue: 1/10/2011
Date of Implementation: 6/1/2011
Quoted Standard: GB/T 6394-2002; GB/T 20652; GB/T 20946; GB/T 22166; GB/T 24813; GB/T 24816; GB/T 25852
Adopted Standard: ISO 7593-1986, IDT
Regulation (derived from): Announcement of Newly Approved National Standards 2011 No. (No. 166 overall) 1
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 8 Level Non-welded chain hoist (including 1, 2, 3, 4 limb hanging chain) and the ratings of the technical requirements and test methods for the calculation of the sling is equipped with in line with GB/T20946 and GB/T24816 chain of 8 and components appropriate level. This standard does not apply to welded chain hoist (see GB/T20652), hanging chain length ranging from limb hanging chain, ring slings or special purpose.

GB/T 25853-2010: Chain slings assembled by methods other than welding -- Grade 8

---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.
Chain slings assembled by methods other than welding. Grade 8 ICS 53.020.30 J80 National Standards of People's Republic of China 8 non-welded chain hoists (ISO 7593. 1986, IDT) Issued on. 2011-01-10 2011-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 provides 6 5 design and structure 7 6 dimensions, tolerances and mechanical properties 7 7 7 material and heat treatment 8 8 manufacturing methods and processes 9 9 product inspection 10 Ratings 9 11 Verify Force 11 12 Certificate 12 13 marks 13 Appendix A (informative) calc single limb hanging chain working load limit of 15

Foreword

This standard is identical with ISO 7593. 1986 "T (8) grade non-welded sling" (in English). This standard is equivalent translation ISO 7593. 1986. For ease of use, this standard made the following editorial changes. --- "This International Standard" be replaced by "this standard"; "." --- With a decimal point instead of a comma as the decimal point, ""; --- Delete foreword international standards; --- Other international standards referenced with the international standard has been adopted as the standard instead of the corresponding country. Appendix A of this standard is an informative annex. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee crane (SAC/TC227) centralized. This standard is drafted by. Hangzhou Wulin Machine Co., Ltd., a modern crane factory in Hangzhou, Beijing Materials Handling Machine Design Institute. Participated in the drafting of this Standard. China Coal Zhangjiakou Coal Mining Machinery Co., Ltd. chain Parsons Branch, Zhejiang Double Bird Machinery Limited Division Anji Changhong Chain Manufacturing Co., Ltd. The main drafters of this standard. Wu Jie, Xu Jianhua, Cui Yuan, Lin Fukui. 8 non-welded chain hoists

1 Scope

This standard specifies the eight non-welded chain hoists (including 1,2,3,4 limb chain hoists) ratings and technical requirements and test methods for the calculation of the crane Equipped with chain in line with GB/T 20946 and GB/T 8 chains of grade and the appropriate level of 24816 components. This standard does not apply to welded chain hoist (see GB/T 20652), chain hoists limb length ranging from hanging chain, hanging chain or cyclic particular purpose.

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 6394-2002 average grain size metal assay (ASTME112.1996, MOD) GB/T 20652 M (4), S (6) and T (8) chain hoists Welding Technology (GB/T 20652-2006, ISO 4778. 1981, IDT) GB/T 20946 Short link chain for lifting acceptance General (GB/T 20946-2007, ISO 1834.1999, IDT) GB/T 22166 uncalibrated lifting ring chain and chain hoist use and maintenance (GB/T 22166-2008, ISO 3056. 1986, IDT) GB/T 24813 8 chains of grade forged hook and eye (GB/T 24813-2009, ISO 7597. 1987, IDT) GB/T 24816 Short link chain hoists lifting chain with eight ordinary precision chain (GB/T 24816-2009, ISO 3076. 1984, IDT) GB/T 25852 8 chains of grade forging lifting member (GB/T 25852-2010, ISO 8539. 1986, IDT)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Hanging chain chainsling And consists of a chain or a number of chains, lower end of the member according to the requirements of this assembly is connected. Or for connecting the weights and cranes He crane hook (see Figure 1 and Figure 4). 3.2 Primary ring masterlink Composition hanging chain link upper parts, hanging chain is connected by it to the crane or other lifting machine hook (see Figure 1 and Figure 4). 3.3 Intermediate primary ring intermediatemasterlink A limb or two chain links connected to the main ring (see Figures 3 and 4). 3.4 Mechanical connectors mechanicaljoiningdevice Welding method without using the chain connector to the other member. It may be a unitary member or a member separated (see FIG. 5). 3.5 Lower member lowerterminal Mounted on a chain hanging chain extremities ring, hooks or other devices, this ring or upper extremities away from the main member. ......

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