1、BRITISH STANDARD BS EN 10055:1996 Hot rolled steel equal flange tees with radiused root and toes Dimensions and tolerances on shape and dimensions The European Standard EN10055:1995 has the status of a British Standard ICS77.140.70BSEN 10055:1996 This British Standard, having been prepared under the
2、 direction of the Engineering SectorBoard, was published underthe authority of the Standards Board and comes intoeffect on 15 July1996 BSI 06-1999 The following BSI references relate to the work on this standard: Committee reference ISE/13 Draft for comment92/44027 DC ISBN 0 580 25801 7 Committees r
3、esponsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee ISE/13, Structural steel, upon which the following bodies were represented: British Constructional Steelwork Association Ltd. British Iron and Steel Producers Association Health and Saf
4、ety Executive Amendments issued since publication Amd. No. Date CommentsBSEN10055:1996 BSI 06-1999 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN10055 3BSEN 10055:1996 ii BSI 06-1999 National foreword This British Standard has been prepared by Te
5、chnical Committee ISE/13 and is the English language version of EN10055:1995 Hot rolled steel equal flange tees with radiused root and toes Dimensions and tolerances on shape and dimensions published by the European Committee for Standardization (CEN). A British Standard does not purport to include
6、all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred to Corresponding British Standard EN10025:1993 BS
7、EN10025:1993 Hot rolled products of non-alloy structural steels. Technical delivery conditions EN10079:1992 BS EN10079:1993 Definition of steel products Summary of pages This document comprises a front cover, an inside front cover, pagesi and ii, theEN title page, pages1 to6 and a back cover. This s
8、tandard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN10055 November1995 ICS77.140.70 Descriptors: Iron and steel products, hot rolled product
9、s, T bars, steels, designation, dimensions, dimensional tolerances, form tolerances English version Hot rolled steel equal flange tees with radiused root and toes Dimensions and tolerances on shape and dimensions Fers T en acier ailes gales et coins arrondis en acier lamins chaud Dimensions et tolra
10、nces sur la forme et les dimensions Warmgewalzter gleichschenkliger T-Stahl mit gerundeten Kanten und bergngen Mae, Grenzabmae und Formtoleranzen This European Standard was approved by CEN on1995-06-30. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the con
11、ditions 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 Central Secretariat or to any CEN member. This European Standard exists in thre
12、e 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 as the official versions. CEN members are the national standards bodies of Aus
13、tria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: r
14、ue de Stassart 36, B-1050 Brussels 1995 All rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members. Ref. No. EN10055:1995 EEN10055:1995 BSI 06-1999 2 Foreword This European Standard has been prepared by Technical Committee ECISS/TC11, S
15、tructural steel sections, of which the Secretariat is held by BSI. The discussions within ECISS/TC11 were based on Euronorm55. 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 May1996, and conflict
16、ing national standards shall be withdrawn at the latest by May1996. According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands,
17、 Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Definitions 3 4 Designation 3 5 Dimensions 3 6 Tolerances on dimensions and shape 3 7 Tolerance on mass 3 8 Tolerance on length 3 Figure 1 Hot rolled steel equal flange teeswi
18、thradiused root and toes 5 Table 1 Designation and dimensions of hot rolled steel equal flange tees with radiused root and toes 4 Table 2 Tolerances on dimensions and shape of hot rolled steel equal flange tees with radiused root and toes 5EN10055:1995 BSI 06-1999 3 1 Scope This European Standard sp
19、ecifies requirements for the nominal dimensions and the tolerances on dimensions, shape and mass of hot-rolled steel equal flange tees with radiused root and toes. These requirements do not apply to equal flange tees produced from stainless steel. 2 Normative references This European Standard incorp
20、orates by dated or undated reference, provisions 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 Europ
21、ean Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN10025, Hot rolled products of non alloy structural steels and their technical delivery conditions. EN10079, Definition of steel products. 3 Definiti
22、ons For the purpose of this European Standard the definitions given in EN10079 apply. 4 Designation The designation of the hot-rolled equal flanged tees shall comprise: the term “tee”; the number of this European Standard; the letter T; the height h in mm; number of the quality standard and the stee
23、l name or steel number of the ordered steel. Example: Tee EN10055 T40 steel EN10025S235JR 5 Dimensions Hot-rolled equal flange tees with radiused root and toes complying with this European Standard shall be produced with the dimensions given in Table 1 and illustrated in Figure 1. 6 Tolerances on di
24、mensions and shape 6.1 Section height (h) The deviation from nominal on section height (h) shall be within the tolerance given in Table 2. 6.2 Flange width (b) The deviation from nominal on flange width (b) shall be within the tolerance given in Table 2. 6.3 Web thickness (s) The deviation from nomi
25、nal on web thickness, when measured at a distancefrom the outer edge of the web shall be within the tolerance given in Table 2. 6.4 Flange thickness (t) The deviation from nominal on flange thickness when measured at a distance offrom the outer edge of the flange shall be within the tolerance given
26、in Table 2. 6.5 Out of square (k) The out of squareness of the section shall not exceed the maximum given in Table 2. 6.6 Symmetry (e) The tolerance on symmetry shall not be greater than that given in Table 2 where 6.7 Straightness (q xxor q yy ) The straightness shall comply with the requirements g
27、iven in Table 2. 7 Tolerance on mass The mass of a piece shall be within8% of the calculated mass for thicknesses4mm# s and t # 7mm (seeTable 2) and within6% of the calculated mass for s and t 7mm. The calculated mass shall be determined using a density of7,85kg/dm 3 . 8 Tolerance on length The sect
28、ions shall be cut to ordered lengths (L) to tolerances in accordance with Table 2. NOTEL represents the longest useable length of the section assuming that the ends of the section have been cut square. h 2 - b 4 - e b 1 b 2 2 - =EN 10055:1995 4 BSI 06-1999 Table 1 Designation and dimensions of hot r
29、olled steel equal flange tees with radiused root and toes Designation Mass Cross-section Dimensions Position of centre of gravity Characteristics with respect to the axis Height Width Thickness Radii XX YY h b s and t r r 1 r 2 d I x i x I y i y kg/m cm 2 mm cm cm 4 cm 3 cm cm 4 cm 3 cm T30 T35 T40
30、T50 T60 T70 T80 T100 T120 T140 1,77 2,33 2,96 4,44 6,23 8,32 10,7 16,4 23,2 31,3 2,26 2,97 3,77 5,66 7,94 10,6 13,6 20,9 29,6 39,9 30 35 40 50 60 70 80 100 120 140 30 35 40 50 60 70 80 100 120 140 4 4,5 5 6 7 8 9 11 13 15 4 4,5 5 6 7 8 9 11 13 15 2 2,5 2,5 3 3,5 4 4,5 5,5 6,5 7,5 1 1 1 1,5 2 2 2 3 3
31、 4 0,85 0,99 1,12 1,39 1,66 1,94 2,22 2,74 3,28 3,80 1,72 3,10 5,28 12,1 23,8 44,5 73,7 179 366 660 0,80 1,23 1,84 3,36 5,48 8,97 12,8 24,6 42,0 64,7 0,87 1,04 1,18 1,46 1,73 2,05 2,33 2,92 3,51 4,07 0,87 1,57 2,58 6,06 12,2 22,1 37,0 88,3 178 330 0,58 0,90 1,29 2,42 4,07 6,32 9,25 17,7 29,7 47,2 0,
32、62 0,73 0,83 1,03 1,24 1,44 1,65 2,05 2,45 2,88 I x v x - I y v y -EN10055:1995 BSI 06-1999 5 Table 2 Tolerances on dimensions and shape of hot rolled steel equal flange tees with radiused root and toes Figure 1 Hot rolled steel equal flange tees with radiused root and toes 1 Cross-section Nominal d
33、imensions Tolerances on b # 50 50b # 100 100 b b, h 1 1,5 2,0 s,t 0,5 0,75 1,0 2 Squareness k Nominal dimensions Tolerances b,h # 100 100 b,h k # 1 k # 1,5EN10055:1995 6 BSI 06-1999 Table 2 Tolerances on dimensions and shape of hot rolled steel equal flangeteeswithradiused root and toes 3 Symmetry e
34、 Nominal dimensions Tolerances b # 60 60 b e # 1 e # 1,5 4 Length L L represents the longest useable length of the section, assuming that the ends of the section have been cut square. The tolerances required shall be stated in the order. If agreed at the time of enquiry and order, either all plus to
35、lerances or all minus tolerances may be accepted. Tolerances Normal tolerances 100 Finer tolerances 50 25 10 5 Straightness q Normal straightness: the deviation q is measured over the total length L of the section Nominal dimensions Tolerances 50 # b,h # 100 q # 0,4 % of L 6 Mass: applicable to indi
36、vidual sections Thickness Tolerances 4 # s,t # 7 7s,t 8% 6% The deviation in mass of sections taken individually, is the difference between the supplied mass and the theoretical mass of each section. e b 1 b 2 2 - =blankBS EN 10055:1996 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsIns
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