1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 10223-7:2012Steel wire and wire productsfor fencing and nettingPart 7: Steel wire welded panels for fencingBS EN 10223-7:2012 BRITISH STANDARDNational forewordThis British
2、Standard is the UK implementation of EN 10223-7:2012. It supersedes BS EN 10223-7:2002, which is withdrawn.The UK participation in its preparation was entrusted to T e c h n i c a l C o m m i t t e e I S E / 1 0 6 , W i r e R o d a n d W i r e .A list of organizations represented on this committee c
3、an be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2012. Published by BSI Standards Limited 2012.ISBN 978 0 580 64504 4 ICS 77.140.65
4、Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2012.Amendments issued since publicationDate T e x t a f f e c t e dBS EN 10223-7:2012EUROPEAN STANDA
5、RD NORME EUROPENNE EUROPISCHE NORM EN 10223-7 November 2012 ICS 77.140.65 Supersedes EN 10223-7:2002English Version Steel wire and wire products for fencing and netting - Part 7: Steel wire welded panels for fencing Fils et produits trfils en acier pour cltures et grillages - Partie 7: Panneaux en a
6、cier souds pour clturage Stahldraht und Drahterzeugnisse fr Zune und Drahtgeflechte - Teil 7: Geschweite Paneele fr Zune This European Standard was approved by CEN on 13 October 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving
7、this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three officia
8、l versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Au
9、stria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Swe
10、den, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national
11、Members. Ref. No. EN 10223-7:2012: EBS EN 10223-7:2012EN 10223-7:2012 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Terms and definitions .54 Information to be obtained from the purchaser .65 Designation 76 Manufacture 76.1 Base metal 76.2 Fabrication 77 Requirements .77.1 Tensile
12、 strength .77.2 Size tolerances .87.2.1 Round wires .87.2.2 Other shapes 87.3 Mesh dimensions and tolerance 87.4 Coatings 87.4.1 Zinc and zinc alloy coatings .87.4.2 Organic coating 87.5 Weld shear strength 97.6 Stiffness 98 Sampling .99 Tests on panels 99.1 Tensile test .99.2 Wire dimension . 109.3
13、 Coating test methods . 109.3.1 Zinc or zinc alloy coating of wire before fabrication. 109.3.2 Hot dip zinc or zinc alloy coating by batch process (panels) 109.3.3 Organically coated wire after fabrication . 109.4 Weld shear strength . 109.5 Stiffness . 1110 Inspection 1111 Packaging 11Annex A (norm
14、ative) Weld shear strength test method (welded mesh) 12Bibliography . 14BS EN 10223-7:2012EN 10223-7:2012 (E) 3 Foreword This document (EN 10223-7:2012) has been prepared by Technical Committee ECISS/TC 106 “Wire rod and wires”, the secretariat of which is held by AFNOR. This European Standard shall
15、 be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2013, and conflicting national standards shall be withdrawn at the latest by May 2013. Attention is drawn to the possibility that some of the elements of this document may
16、be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 10223-7:2002. EN 10223 “Steel wire and wire products for fencing and netting“ consists of the following parts: Part 1: Zinc and zinc-alloy coat
17、ed steel barbed wire Part 2: Hexagonal steel wire netting for agricultural, insulation and fencing purposes Part 3: Hexagonal steel wire mesh products for engineering purposes Part 4: Steel wire welded mesh fencing Part 5: Steel wire woven hinged joint and knotted mesh fencing Part 6: Steel wire cha
18、in link fencing Part 7: Steel wire welded panels for fencing Part 8: Welded mesh gabion products The document has been technically updated. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard
19、: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
20、 Sweden, Switzerland, Turkey and the United Kingdom. BS EN 10223-7:2012EN 10223-7:2012 (E) 4 1 Scope This European Standard specifies requirements for steel wire welded mesh panels for fencing. The panels are used for fencing parks, schools, sport stadia, public buildings, factories, airports, milit
21、ary sites, etc. This European Standard specifies the general characteristics of welded mesh supplied as panels and recommended coatings, properties and tolerances. This European Standard is applicable to panels made from round or shaped wires not thicker than 10 mm. The panels have round, rectangula
22、r or triangular vertical wires and single or double horizontal wires. The use of V-shaped vertical wires is optional. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only
23、 the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 10021, General technical delivery conditions for steel products EN 10204, Metallic products Types of inspection documents EN 10218-1, Steel wire and wire products
24、General Part 1: Test methods EN 10218-2:2012, Steel wire and wire products General Part 2: Wire dimensions and tolerances EN 10244-2:2009, Steel wire and wire products Non-ferrous metallic coatings on steel wire Part 2: Zinc or zinc alloy coatings EN 10245-1, Steel wire and wire products Organic coa
25、tings on steel wire Part 1: General rules EN 10245-2, Steel wire and wire products Organic coatings on steel wire Part 2: PVC finished wire EN 10245-3, Steel wire and wire products Organic coatings on steel wire Part 3: PE coated wire EN 10245-4, Steel wire and wire products Organic coatings on stee
26、l wire Part 4: Polyester coated wire EN ISO 1461, Hot dip galvanised coatings on fabricated iron and steel articles Specifications and test methods (ISO 1461) EN ISO 4892-1, Plastics Methods of exposure to laboratory light sources Part 1: General guidance (ISO 4892-1) EN ISO 4892-2, Plastics Methods
27、 of exposure to laboratory light sources Part 2: Xenon-arc lamps (ISO 4892-2) EN ISO 4892-3, Plastics Methods of exposure to laboratory light sources Part 3: Fluorescent UV lamps (ISO 4892-3) EN ISO 6270-1, Paints and varnishes Determination of resistance to humidity Part 1: Continuous condensation
28、(ISO 6270-1) BS EN 10223-7:2012EN 10223-7:2012 (E) 5 EN ISO 6988, Metallic and other non-organic coatings Sulfur dioxide test with general condensation of moisture (ISO 6988) EN ISO 9227, Corrosion tests in artificial atmospheres Salt spray tests (ISO 9227) 3 Terms and definitions For the purposes o
29、f this document, the following terms and definitions apply. 3.1 welded panels panels of various shape and design, made by electrically resistant welding at each wire intersection Note 1 to entry: The panels can be made out of: a) zinc or zinc alloy coated wires (coated before welding); b) wires that
30、 are subsequently coated after fabrication, either with zinc or zinc alloy. In either a) or b) the panels may be subsequently organically coated. 3.2 mesh size distance measured between the centres of two neighbouring wires Note 1 to entry: Depending on the application, the mesh size can be uniform
31、throughout the panel or varying. A uniform panel is shown in Figure 1. BS EN 10223-7:2012EN 10223-7:2012 (E) 6 Dimensions in millimetres Figure 1 Uniform panel 3.3 stiffness stiffness is measured for the flexural strength of the panel along its vertical axis. It is the product of E.I where E is the
32、modulus of elasticity and I is the moment of inertia 4 Information to be obtained from the purchaser The following information as appropriate shall be obtained from the purchaser at the time of enquiry and/or order: a) the number of this European Standard; b) the quantity and packaging requirements;
33、 c) the main characteristic dimensions and length, width and diameters of the wires; d) mesh sizes for a simple and repetitive design; BS EN 10223-7:2012EN 10223-7:2012 (E) 7 e) the grade of zinc or zinc alloy coating and whether applied before or after welding; f) whether organic coating is require
34、d, and if so, the type and colour; g) the tensile strengths of the wires. 5 Designation The panel shall be designated by: a) number of this European Standard; b) its length; c) its width; d) for a simple and repetitive design: the mesh and wire dimensions; for a more complex design: a drawing with w
35、ire dimensions, meshes and other ornamental and additional wires; e) type and grade of zinc alloy coating and whether applied before or after fabrication; f) if subsequently organically coated: the type and colour of the coating. 6 Manufacture 6.1 Base metal The base metal of the welded mesh panel s
36、hall be low carbon steel. 6.2 Fabrication Panels shall be produced by electrical resistance welded zinc or zinc alloy coated wires or subsequently zinc or zinc alloy coated after fabrication in accordance with EN ISO 1461. No bare patches shall be permitted. Where requested by the purchaser (see 4f)
37、, the panel shall be subsequently organically coated in accordance with EN 10245-1 and the other relevant part of EN 10245 depending on the purchasers specification. The organic coating shall be free from blisters, craters, pin holes or scratches on the base metal, visible from a distance of about 0
38、,5 m. The substrate shall not be visible at any edge. The type of coating and the colour shall be as specified on the order. 7 Requirements 7.1 Tensile strength The tensile strength of the horizontal and vertical wire shall be between 350 MPa and 950 MPa. In a delivered lot, the range of tensile str
39、engths of wires shall not differ by more than 200 MPa. NOTE The tensile strength of the horizontal wire may or may not be the same as the tensile strength of the vertical wire. BS EN 10223-7:2012EN 10223-7:2012 (E) 8 7.2 Size tolerances 7.2.1 Round wires The tolerance on the diameter of round wire s
40、hall be in accordance with EN 10218-2:2012, level T3. 7.2.2 Other shapes The tolerance shall be agreed between supplier and purchaser at the time of enquiry and/or order. For shaped wire the corresponding diameter or reference diameter shall be the diameter corresponding to the circle with the same
41、cross-section as the sample for testing. 7.3 Mesh dimensions and tolerance The nominal mesh dimensions measured between the centres of two neighbouring wires after coating shall conform to Table 1. Table 1 Tolerances on mesh dimensions Mesh dimensions mm Tolerance mm 50 2,0 50 and 200 3,0 200 4,0 Va
42、riations in the mesh dimensions shall be a maximum of 3,0 mm per metre. 7.4 Coatings 7.4.1 Zinc and zinc alloy coatings Zinc coated wires not subsequently organically coated shall conform to class A of Table 1 of EN 10244-2:2009. Zinc/aluminium (Zn95/Al5) coated wire not subsequently organically coa
43、ted shall conform to class A of Table 2 of EN 10244-2:2009. Where panels have been zinc or zinc alloy coated after fabrication, the coated panel shall conform to EN ISO 1461. Where panels do not contain round wire, the coating mass shall be the same as the specified minimum for the round wire with t
44、he same section. Where panels contain two different wires, the average of the corresponding masses shall be taken. 7.4.2 Organic coating 7.4.2.1 General When tested in accordance with 9.3.3 organic coating shall conform to the requirements according to 7.4.2.2 to 7.4.2.6. NOTE Organic coating is def
45、ined as a polymer containing pigments, resins and other additives applied to the metallic substrate and fused/cured to form a coherent continuous finish. 7.4.2.2 Adhesion and adhesion retention The coating shall not be able to be lifted from the metal by more than 5 mm. BS EN 10223-7:2012EN 10223-7:
46、2012 (E) 9 7.4.2.3 Resistance to humidity After 1 000 h exposure to humidity, there shall be no signs of corrosion of the test panel and no blistering, softening or detachment of the coating. The coating shall not be able to be lifted from the metal by more than 5 mm. 7.4.2.4 Resistance to salt spra
47、y There shall be no underfilm corrosion or loss of adhesion in excess of 5 mm from the diagonals, and no signs of blistering, cracking or crazing on any other part of the specimen. 7.4.2.5 Resistance to sulfur dioxide After 240 h (10 cycles of 24 h), there shall be no change in colour in comparison
48、with an unexposed test panel, no blistering of the coating and no signs of red rust. 7.4.2.6 Resistance to weathering After 1 000 h, there shall be no signs of cracking or blistering and no significant colour change. 7.5 Weld shear strength When tested in accordance with Annex A the average of all t
49、he four loads shall not be less than 50 % of the wire breaking load of the smallest diameter wire. NOTE Breaking load is the maximum load during the tensile test before breaking. 7.6 Stiffness If so agreed between the parties, the panels shall satisfy the stiffness requirements for the category specified at the time of enquiry and order. Depending on their sti
