1、BRITISH STANDARD Hot rolled bulb flats - Dimensions and tolerances on shape, dimensions and mass * * ri The European Standard EN 10067 : 1996 has the status of a British Standard ICS 7.14.W, “7.140.60 BS EN 10067 : 1997 Ini n-m U- NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LA
2、W - -7 STD-BSI BS EN 100b7-ENGL 1997 Lb24bb9 Ob33175 778 Amd. No. BS EN 10067 : 1997 Date Text affected Committees responsible for this British Standard The prepasation of this British Standard was entrusted to Technical Committee IW13, Structurai steel sections, upon which the foiowing bodies were
3、represented British Iron and Steel Producers Association Health and Safety Executive Department of ?f.ansport This British Standard, having been prepared under the direction of the Engineering Sector Board, was pubiished under the authority of the Standards hard and comes int effect on 15 May 1997 O
4、 BSI 1997 The following BSI references reiate to the work on this standard Committee reference ISW13 Draft for comment 9244028 DC ISBN O 680 27133 1 BS EN 10067 : 1997 Contents page Cornmi- responsible Inside front cover Nationai foreword ii Foreword 2 Text of EN 10067 3 O BSI 1997 i BS EN 10067 : 1
5、997 National foreword This British Standard has been prepared by Technid committee ISW13 and is the English ianguage version of EN 10067 : 1996, Hot rolled MbjZuts - DimensEons and tolemnces on shape, dimmsions and mass, published by the European Committee for Stan-on (CEN). This British Standard co
6、mpletely superwdes BS 4848 : Part 5 : 1980 which is now withdrawn. Cross-references Publication referred to EN 10079 Compliance with a British Standard does not of itself confer immunity from legal obligations. Corresponding British Standard BS EN 10079 77.140.60 Descriptors. iron and steel products
7、, hot rolled products, metal bars, flat bars, designation, dimensions, dimensional tolerances, form tolerances English version Hot rolled bulb flats - Dimensions and tolerances on shape, dimensions and mass Plats boudin lamins chaud - Dimensions et tolrances sur la forme, les dimensions et la Warmge
8、walzerhstahl-m, Grenzab- und Formtolemuen masse This European Standard was approved by CEN on 1996-08-04. GEN members are bound to comply with the CENKENELEC Inkd Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any aitemiion. Upt
9、o-date lists and bibiogmphicai references concerning such national standards may be obtained on application to the Central Secretariat or to any GEN member. This European Standard exists in three official versions (Enghsh, French, German). A version in any other anguage made by translation under the
10、 responsibility of a CEN member into its own language and notified to the Central Secretanat has the same status as the official versions. CEN members are the national standards bodies of Austsia, Belgium, Denmark, Finland, France, Gennanx Greece, Iceland, Ireland, I*, Luxembourg, Netherlands, Norwa
11、y, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1996 Copyright reserved to CEN members Ref. No. EN 10067 : 1996 E STD-BSI BS
12、 EN 1OOb7-ENGL 1997 = Lb2LibbS Ob33177 313 Page 2 EN 10067 : 1996 Foreword Contents This European Standard has been prepared by Technical Committee ECISSm 11, Stsucturai steel sections, the Secretariat of which is held by BSI. Foreword 1 The discussions within ECISSAC 11 were based on Euronorm 67 (1
13、978). 2 This European Standard shall be given the status of a 3 national standard, either by publication of an identical text or by endorsement, at the latest by April 1997, and conflicting national standards shall be withdrawn at 5 the latest by April 1997. 6 According to the CENKENELEC Internai Re
14、gulations, 7 the national standards organizations of the foilowing countries are bound to implement this European standard: Austria, Belgium, Denmark, Finland, France, Cie-, Iceland, I*, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, and the United Kingdom. Scope Nodve references Denition
15、s Designation Dimensions Tolerances on shape and dimensions Tolerance on mass page 2 3 3 3 3 3 3 3 O BSI 1997 STD-BSI BS EN LOOb7-ENGL 1797 LbZLibb7 Ob33380 035 D * * cn 1 scope This European Standard specifies requirements for the nominal dimensions and tolerances on shape, dimensions and mas of ho
16、t-roied bulb W. These requirements do not apply to bulb fiats rolied from stainless steel. 2 Normative references This European Stan- incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publ
17、idions are listed hereafter. For dated references, subsequent amendments to or revisions of any of these pubhations appy to this European Standard only when incorporated in it by amendment or revision. For undateci references the latest edition of the publication referred to applies. EN 10079 Defini
18、tion of steel products 3 Denitions For the purposes of this European Standard the definitions in EN 10079 apply 4 Designation The designation of the hot-rolled bulb flats shall comprise: 1) the krm bulb flat; 2) the number of this European Standasd; 3) the nominal width b (in mm); 4) the nominal thi
19、ckness t (i mm). Example: Bulb fiat EN 10067-200 x 10. 6 Dimensions Hot-rolled bulb flats complying with this European Standard shaU be delivered with the dimensions given in table 1 and iuustrated in figure 1. NOTE. The geometric properties, the data on the cross-section, and the surface area are d
20、erived from the nominai dimensions. Page 3 EN 10067 : 1996 6 %lerances on shape and hensions 6.1 Width and thickness The width and thicknes tolerances shail be as given in table 2. The width shall be measured on the longer side of the leg. 6.2 Tolerance for out of squareness of weld edge The angle b
21、y which the weld edge deviates fiom the verticai () shall not exceed 4 (see figure 2). 6.3 Corner radius The maximum values for the corner raius rl shali be as given in table 3. 6.4 Length 6.4.1 Hot-rolled bulb flats shall be delivered in lengths up to and including 18 m. Lengths greater than 18 m s
22、hali be agreed at the time of ordering. 6.4.2 The length tolerances shail be im mm. Closer length tolerances shall be speciauy agreed at the time of ordering. 6.6 Straightness The straightness tolerance q shail be 0,0035 L. The dimension q shall be measured as illustrated in figure 3 along the entir
23、e length L. 7 %lerance on mass The mass tolemces shal be: -2 % of the total mass for deliveries of 5 t or more, and : Fax: 0181 996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatidy receive the latest editions of standards. Buying standards
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