1、DEUTSCHE NORM December 1995 DIN EN 10055 Hot rolled steel equal flange tees with radiused root and toes Dimensions and tolerances on shape and dimensions Enalish version of DIN EN 1 O 055 ICs 77.140.70 Supersedes DIN 1024, March 1982 edition. Descriptors: Steel, tees, dimensions, tolerances. Warmgew
2、alzter gleichschenkliger T-Stahl mit gerundeten Kanten und ber- gngen; Mae, Grenzabmae und Formtoleranzen European Standard EN 10055:1995 has the status of a DIN Standard. A comma is used as the decimal marker. National foreword This standard has been prepared by ECISSTTC 11. The responsible German
3、body involved in its preparation was the Normenausschu Eisen und Stahl (Steel and Iron Standards Committee), Technical Committee Warmgewalzte Profilerzeugnsse. Amendments In comparison with DIN 1024, March 1982 edition, the following amendments have been made: a) Wide flange tees are no longer speci
4、fied, as are types T20, T25, T45 and T90. b) Specifications for length and tolerances on length have been amended. Previous editions DIN 1612: 1924-09, 1932-01, 1943-03; DIN 1024: 1926-07, 1940-07, 1959-06, 1963-10, 1981-08, 1982-03. EN comprises 4 pages. muth Verlag GmbH, Berlin, has the exclusive
5、right of sale for German StandardsfDIN-Normen). DIN EN 10055 Enql. Price group - -. 06.96 Sales No. 11 06 EUROPEAN STANDARD NORME EUROPENNE EUROPAISCHE NORM EN 10055 November 1995 ICs 77.140.70 Descriptors: Steel, tees, dimensions, tolerances. English version Hot rolled steel equal flange tees with
6、radiused root and toes Dimensions and tolerances on shape and dimensions Fers T en acier ailes gales et coins arrondis en acier lamins chaud; dimen- sions et tolrances sur la forme et les di- mensions Warmgewalzter gleichschenkliger T-Stahl mit gerundeten Kanten und Ubergngen; Mae, Grenzabmae und Fo
7、rmtoleranzen This European Standard was approved by CEN on 1995-06-30. CEN members are bound to comply with the CENKENELEC 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 bibliographi
8、cal references concerning such national standards may be obtained on application to the Central 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
9、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 Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain,
10、Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, 6-1050 Brussels O 1995. Copyright reserved to all CEN members. Ref. No. EN 10055: 1995 E Page 2 EN 10055:1995 Cont
11、ents Page Foreword . 2 1 Scope . 2 2 Normative references 2 3 Definitions . 2 4 Designation 2 5 Dimensions 2 6 Tolerances on dimensions and s 7 Tolerances on mass . 8 Tolerances on length 3 Foreword This European Standard has been prepared by ECISS/TC 11 Structural steel sections, the Secretariat of
12、 which is held by BSI. Its specifications are based on EURONORM 55. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, and conflicting national standards withdrawn, by May 1996 at the latest. In accordance with the C
13、ENKENELEC Internal Regulations, 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 United Kingdom. 1 Scope This European
14、 Standard specifies 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 Sta
15、ndard incorporates, by dated or undated reference, provisions from other publications. These nor- mative 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 app
16、ly to this European Standard only when incorporated in it by amendment or revision. For un- dated references, the latest edition of the publication re- ferred to applies. EN 10025 Hot rolled products of non-alloy structural steels; technical delivery conditions EN 10079 Definition of steel Droducts
17、3 Definitions For the purposes of this European Standard, the definitions given in EN 10079 apply. 4 Designation The designation of hot rolled equal flanged tees shall com- prise: - the term tee; - the number of this European Standard; - the letter T; - the height, h, in mm; - number of quality stan
18、dard and name or material number of the steel ordered. EXAMPLE: Tee EN 1 O 055 - T40 - steel EN 1 O 025 - S235JR 5 Dimensions Hot rolled equal flange tees with radiused root and toes as covered in this European Standard shall be produced to the dimensions given in table 1 and illustrated in figure 1
19、. 6 Tolerances on dimensions and shape 6.1 Section height Any deviations of the height, h, from the nominal value shall be within the tolerances given in table 2. 6.2 Flange width Any deviations of the flange width, b, from the nominal value shall be within the tolerances given in table 2. Page 3 EN
20、 10055:1995 DeSig- nation T30 T35 T40 T50 T60 T70 TB0 Ti00 T120 T40 Y Mass kgm 1,77 2.33 2.96 4,44 6,23 8.32 10,7 16,4 23,2 31,3 Y Figure 1: Hot rolled steel equal flange tees with radiused root and toes Table 1: Designation and dimensions of hot rolled steel equal flange tees with radiused root and
21、 toes Cross- iectional area cm2 226 2,97 3,77 5,66 7,94 10,6 13,6 20,9 29,6 39,9 6.3 Web thickness Dimensions Position Characteristics with respect to the axes I I I of cen- h b S, t I 11 12 d I, 60 70 mm j 3,5 4,5 11 11 5,5 13 13 6,5 15 15 7,5 Any deviations of the web thickness, s, from the nomina
22、l value, when measured at the mid-width position of the web, shall be within the tolerances given in table 2. 6.4 Flange thickness Any deviations of the flange thickness, t, from the nominal value, when measured at a distance equal to b/4 from the mid-width position of the flange, shall be within th
23、e toler- ances given in table 2. 6.5 Out-of-squareness The out-of-squareness of the section, k, shall not exceed the maximum given in table 2. 6.6 Symmetry The eccentricity, e, shall not be greater than that given in table 2, with bl - b2 e=- 2 1,66 2.22 2.74 660 6.7 Straightness cm3 0,80 1.23 1 .84
24、 3,36 5,48 8.79 12.8 24,6 42,O 64,7 - - cm 0,87 1 ,O4 1,18 f ,a 1,73 2,05 2,33 2,92 3,51 4,07 - - cm4 0,87 137 2.58 6,06 12,2 22.1 37,O 88,3 178 330 - - Y-Y cm3 490 1.29 242 4,07 6.32 9.25 17,7 29,7 47.2 - iY cm 0,62 0.73 0.83 1 ,o3 1,24 1.44 1.65 2.05 2,45 2.88 - - Any deviations from the straightn
25、ess, q, or qyyr shall not exceed the value given in table 2. 7 Tolerances on mass The mass of a unit shall be within -8% of the calculated mass for thicknesses s up to 4 rnm and t up to 7 mm (see table 2) and within -6% of the calculated mass for thick- nesses s and t greater than 7 mm. The calculat
26、ed mass shall be determined using a density of 7,851 kg/drn3. 8 Tolerances on length The sections shall be cut to ordered lengths, L, to toler- ances in accordance with table 2. NOTE: L represents the longest useable length of the section assuming that the ends of the section have been cut square. P
27、age 4 EN 10055:1995 b 5 50 I1 Table 2: Tolerances on dimensions and shape of hot rolled steel equal flange tees with radiused root and toes Dimensions in mm f 0,5 Cross-sectional dimensions _ Nominal dimensions b 60 60 b b Tolerances eil es 1,5 Tolerances on 1 b,h I s, t Nominal dimensions I L repre
28、sents the longest useable length of the section, as- suming that the ends of the section have been cut square. agreed at the time of ordering, either all plus tolerances or The tolerances requested shall be stated in the order. If all minus tolerances may be accepted. Tolerances Normal tolerance * 1
29、00 * 50 Closer tolerances I 25 i 10 I 50 b 5 100 I I 1,5 33 e% f 075 Normal straightness: the deviation (q) is to be measured over the total length (L) of the section. Nominal dimensions Tolerances 50b,h100 q 5 0.4% of L Out-of-squareness, k bi - b2 e = Symmetry (eccentricity), e 2 _ Thickness 4 5 s, t 5 7 Tolerances -8% 7 s, f - 6%
