GB/T 13307-2012 English PDF

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GB/T 13307-2012: Industrial pre-crimped wire square opening screens
Status: Valid

GB/T 13307: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 13307-2012	439	Add to Cart	4 days	Industrial pre-crimped wire square opening screens	Valid
GB/T 13307-1991	679	Add to Cart	5 days	Inductrial pre-crimped wire screens (square openingseries)	Obsolete

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Basic data

Standard ID: GB/T 13307-2012 (GB/T13307-2012)
Description (Translated English): Industrial pre-crimped wire square opening screens
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A28
Classification of International Standard: 19.120
Word Count Estimation: 19,170
Older Standard (superseded by this standard): GB/T 13307-1991
Quoted Standard: GB/T 2828.1; GB/T 15602; JB/T 7860-2000; ISO 4783-3-1981
Regulation (derived from): National Standards Bulletin No. 24 of 2012
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 industrial molding pre-bent metal wire woven square mesh structure type, model, and size, technical playing requirements, test methods, inspection rules and signs, packaging, transport and storage of John. This standard applies

GB/T 13307-2012: Industrial pre-crimped wire square opening screens

---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.
ICS19.120 A28 National Standards of People's Republic of China Replacing GB/T 13307-1991 Pre-curved profile wire woven square mesh Issued on. 2013-03-01 2012-09-03 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard rule according to GB/T 1.1-2009 given draft. This standard replaces GB/T 13307-1991 "pre-bent shaped woven wire square mesh." This standard compared with GB/T 13307-1991, the main technical changes as follows. --- Increases the mass per unit area of \u200b\u200bthe formula (see 3.1); --- Increasing the net weight conversion factor (see 4.2). The standard characterization and sorting by the National Standardization Technical Committee and mesh particles (SAC/TC168) and focal points. This standard was drafted. the machine Productivity Promotion Center, Bashan Precision Filter Co., Ltd. Hefei Allianz. The main drafters of this standard. Yu Fang, Song Ruxuan, Liu Heqing, Tang East. This standard replaces the standards previously issued as follows. --- GB/T 13307-1991. Pre-curved profile wire woven square mesh

1 Scope

This standard specifies the industrial pre-bent shaped woven wire square mesh structure type, model and size, technical requirements, test methods, inspection Income rules and signs, packaging, transportation and storage. This standard applies to the basic mesh size of 125mm ~ 2mm pre-bent shaped woven wire square mesh (hereinafter referred to as pre-bending forming wire), Special specifications can be negotiated between supply and demand.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan GB/T 15602 Industrial screens and screening Terminology JB/T7860-2000 industrial metal wire mesh ISO 4783-3. 1981 Industrial wire screens and woven wire cloth --- mesh size and wire diameter combinations - choose means South --- Part 3. pre-bending or pressure welding metal mesh priority combination (Industrialwirescreensandwovenwirecloth; Guide tothechoiceofaperturesizeandwirediametercombinations; Part 3. Preferredcombinationsforpre- crimpedorpressure-weldedwirescreens)

3 Terms and Definitions

GB/T 15602 and define the following terms and definitions apply to this document. 3.1 Mass per unit area messperunitarea According to equation (1). ρA = (d2ρf) /618.1· (wd) (1) Where. ΡA --- mass per unit area, in kilograms per square meter (kg/m2); d --- wire diameter in millimeters (mm); W --- the mesh size, in millimeters (mm); f --- net weight conversion factor (from Table 1, selected); p --- material density in kilograms per cubic meter (kg/m3). Note 1. Typical values \u200b\u200bof ρ can be isolated in a variety of materials related materials manual, see ISO 4783-3. 1981 in Table 2. Note 2. The formula (1) gives the calculated mass per unit area, and the actual value of the allowed 3% lower. 4 structure type, model and size 4.1 Structure type Pre-bending forming network structure divided into five types, see Table 1. ......

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