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GB/T 13307-2012: Industrial pre-crimped wire square opening screens
Status: Valid GB/T 13307: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 13307-2012 | English | 439 |
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4 days [Need to translate]
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Industrial pre-crimped wire square opening screens
| Valid |
GB/T 13307-2012
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| GB/T 13307-1991 | English | 679 |
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5 days [Need to translate]
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Inductrial pre-crimped wire screens (square openingseries)
| Obsolete |
GB/T 13307-1991
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PDF similar to GB/T 13307-2012
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| A28 | | Classification of International Standard | 19.120 | | Word Count Estimation | 19,170 | | Older Standard (superseded by this standard) | GB/T 13307-1991 | | Quoted Standard | GB/T 2828.1; GB/T 15602; JB/T 7860-2000; ISO 4783-3-1981 | | Regulation (derived from) | National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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