BS EN 988-1997 Zinc and zinc alloys - Specification for rolled flat products for building《锌和锌合金 建筑用轧制平板材规格》.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 988 : 1997 The Euro
2、pean Standard EN 988 : 1996 has the status of a British Standard ICS 77.120.60; 77.140.90 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Zinc and zinc alloys Specification for rolled flat products for buildingThis British Standard, having been prepared under the direction of
3、the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 January 1997 BSI 1997 The following BSI references relate to the work on this standard: Committee reference NFE/8 Draft for comment 93/300802 DC ISBN 0 580 26426 2 BS EN 988 : 1997 Amen
4、dments issued since publication Amd. No. Date Text affected Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee NFE/8, Zinc, upon which the following bodies were represented: British Iron and Steel Producers Association Insti
5、tute of British Foundrymen London Metal Exchange Metal Roofing Contractors Association Zinc Alloy Die Casters Association Zinc Development AssociationBS EN 988 : 1997 BSI 1997 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN 988 3ii BSI 1997 BS EN
6、988 : 1997 National foreword This British Standard has been prepared by Technical Committee NFE/8, Zinc, and is the English language version of EN 988 : 1996 Zinc and zinc alloys Specifications for rolled flat products for building, published by the European Committee for Standardization (CEN). This
7、 standard supersedes BS 6561 : 1985, which is withdrawn. Cross-references Publication referred to Corresponding British Standard EN 1179 : 1995 BS EN 1179 : 1996 Specification for zinc and zinc alloys Primary zinc EN 10002-1 : 1990 BS EN 10002-1 : 1990 Tensile testing of metallic materials Part 1 :
8、Method of test at ambient temperature EN 10204 BS EN 10204 : 1991 Metallic products Types of inspection documents Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and i
9、i, pages 1 to 8, an inside back cover and back cover.CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. EN 988 : 1996 E EUROPEAN STAND
10、ARD EN 988 NORME EUROPE ENNE EUROPA ISCHE NORM June 1996 ICS 77.120.60; 77.140.90 Descriptors: rolled products, steel strips, zinc products, zinc alloys, buildings, chemical composition, mechanical properties, dimensions, tests, designation, marking, packing English version Zinc and zinc alloys Spec
11、ifications for rolled flat products for building Zinc et alliages de zinc Spe cifications pour produits lamine s plats pour le ba timent Zink und Zinklegierungen Anforderungen an gewalzte Flacherzeugnisse fur das Bauwesen This European Standard was approved by CEN on 1996-03-07. CEN members are boun
12、d to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving 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 Ce
13、ntral Secretariat or to any CEN member. This European Standard exists in three official 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 Central Secretariat has the same status a
14、s the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 988 : 1996 BSI 1997 Foreword This Europea
15、n Standard has been prepared by Technical Committee CEN/TC 209, Zinc and zinc alloys, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 1996, and
16、conflicting national standards shall be withdrawn at the latest by December 1996. This standard defines product requirements, derived from performance requirements established for various applications in building, and is supported by separate standards for specific and common test methods in the fra
17、mework of CEN/TC 209/SC 3. Annex A (informative) gives information on the physical properties of rolled zinccoppertitanium products. Annex B (informative) gives guidance to the user in calculating masses of the product for a range of thickness. According to CEN/CENELEC Internal Regulations, the nati
18、onal standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page For
19、eword 2 1 Scope 3 2 Normative references 3 3 Definitions 3 4 Requirements 3 5 Dimensions and tolerances 4 6 Sampling and test methods 4 7 Inspection documents 5 8 Designation 5 9 Marking, labelling, packaging 5 10 Ordering information 5 Figures 1 Lateral curvature 6 2 Transverse curvature 6 3 Longit
20、udinal curvature 7 4 Buckles 7 5 Edge waves 8 Annexes A (informative) Physical properties 8 B (informative) Calculation of mass 8Page 3 EN 988 : 1996 BSI 1997 Table 2. Mechanical properties 0,2 % proof strength, non-proportional extension R p0,2 Tensile strength R m Percentage total elongation at fr
21、acture A 50 mm Percentage elongation after fracture in creep test Bend test N/mm 2 N/mm 2 % % min. min. min. max. 100 150 35 0,1 No cracks on fold 1 Scope This European Standard specifies requirements for rolled flat products for building purposes made from zinccoppertitanium alloy, in the form of s
22、trip, sheet or cut length. It covers products in the range 0,6 mm up to and including 1,0 mm thickness and from 100 mm up to and including 1000 mm width. This standard does not cover formed or shaped products or products prefabricated by any means other than cutting to size. NOTE. By agreement betwe
23、en the purchaser and the supplier at the time of ordering, this standard or parts of this standard can be applied on other thicknesses or widths of rolled flat products made from zinccoppertitanium alloy. 2 Normative references This European Standard incorporates, by dated or undated reference, prov
24、isions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it
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