1、DEUTSCHE NORM March 2000 DIN EN 10279 Hot-rolled steel channels - Tolerances on shape, dimensions and mass English version of DIN EN 10279 ICs 77.140.10; 77.140.70 Th is standard, together with DIN 1026-1, March 2000 edition, supersedes DIN 1026, October 1963 edition. Warmgewalzter U-Profilstahl - G
2、renzabmae, Formtoleranzen und Grenzabweichungen der Masse European Standard EN 10279 : 2000 has the status of a DIN Standard. A comma is used as the decimal marker. National foreword This standard has been prepared by ECISS/TC 11. The responsible German body involved in the preparation of this stand
3、ard was the Normenausschuss Eisen und Stahl (Steel and Iron Standards Committee), Subcommittee Warmgewalzte Profilerzeugnisse. Amendments DIN 1026, October 1963 edition, has been superseded by the specifications of EN 10279. Previous editions DIN 1026: 1959-07, 1963-1 O; DIN 161 2: 1924-09, 1932-01,
4、 1943-03. EN comprises 6 pages. No pari of this standard may be reproduced without the prior permission of Ref. No. DIN EN 10279 : 2000-0 hiDeutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, s the exclusive right of sale for German Standards (DIN-Normen). English
5、price group 06 Sales No. 1106 08.00 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10279 January 2000 ICs 77.140.70 English version Hot-rolled steel channels Tolerances on shape, dimensions and mass Profils en U en acier laminschaud - Tolrances sur la forme, les dimen- sions et la masse Warmge
6、walzter U-Profilstahl - Grenzabmae, Formtoleranzen und Grenzabweichungen der Masse This European Standard was approved by CEN on 1999-1 1-22. CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a nati
7、onal standard without any alteration. Up-to-date lists and bibliographical references concerning such national stand- ards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist in three official versions (English, French, German). A version in a
8、ny 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 Austria, Belgium, the Czech Republic, Denmark, Finland, France,
9、Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brusse
10、ls O 2000. CEN - All rights of exploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. EN 10279 : 2000 E Page 2 EN 10279 : 2000 Contents Page 1 Scope . 3 2 Normative references 3 3 Definitions 3 4 Tolerances on dimensions and shape . 3 5 Mass 4 6 Length (i) 4
11、Table 1 - Tolerances for taper flange channels . 5 Table 2 - Tolerances for parallel flange channels . 6 Foreword This European Standard has been prepared by Technical Committee ECISSITC 1 i “Structural steel sections and hot rolled steel bars for engineering use - Dimensions and tolerances”. the se
12、cretariat of which is held by BSI. 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 July 2000, and conflicting national standards shall be withdrawn at the latest by July 2000. This European Standa
13、rd has been prepared under a mandate given to CEN by the European Commission and the European Free Tiade Association. and supports essential requirements of EU Directive(s) The discussions within ECISSITCI 1 were based on DIN 1026 and BS 4: Part 1. According to the CENICENELEC Internal Regulations,
14、the national standards organizations of the following countries are bound to iinplement this European Standard: Austria, Belgium, Czech Republic. Denmark, Finland. France, Germany, Greece, Iceland. Ireland. Italy, Luxembourg, Netherlands, Norway, Portugal. Spain. Sweden, Switzerland and the United K
15、ingdom. Page 3 EN 10279 : 2000 1 Scope This European Standard specifies requirements for the tolerances on dimensions, shape and mass of hot-rolled steel channels with tapered flanges 01- parallel flanges. These requirements do not apply to channels produced from stainless steel. 2 Normative referen
16、ces This European Standard incorporates 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
17、publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 10079. Definition of steel produrty 3 Definitions For the purpose of this Standard the definitions given in EN 1007
18、9 apply. 4 Tolerances on dimensions and shape 4.1 Section height (h) The deviation fi-om noininal on section height (h) shall be within the tolerance given in Table 1 for tapered flange channels and in Table 2 for parallel flange channels. Height is measured over the web. 4.2 Flange width (b) The de
19、viation from nominal on flange width (b) shall be within the tolerance given in Table 1 for tapered flange channels and in Table 2 for parallel flange channels. 4.3 Web thickness (s) The deviation from nominal on web thickness (s) when measured at the mid-height position of the web, shall be within
20、the tolerance given in table 1 for tapered flange channels and in table 2 for parallel flange channels. 4.4 Flange thickness (t) The deviation from nominal on flange thickness (f), when measured at a distance of b/2 from the toe of the flange. shall be within the tolerance given in table 1 for taper
21、ed flange channels and in table 2 for parallel flange channels. 4.5 Heel radius (r.?) The radius of the heel radius (r3) shall not exceed 0,3r where t is the flange thickness. 4.6 Out of squareness (k + kl) and web bow (f) 4.6.1 The out of sqiiareness of the section (k + k,) shall not exceed the max
22、imum given in table 1 for tapered flange channels and in Table 2 for parallel flange channels. 4.6.2 The web flatness (fi shall not exceed the values given in Table 1 for tapered flange channels and in Table 2 for parallel flange channels. Page 4 EN 10279 : 2000 4.7 Straightness (qrr or qyy) The str
23、aightness (qrr or qfl) shall conform to the requirements given in Table 1 for tapered flange channels and in Table 2 for parallel flange channels. 5 Mass The deviation between the effective value and the nominal value of the mass per unit length shall comply, for any piece, with the requirements giv
24、en in Table I for tapered flange channels and in Table 2 for parallel flange channel s. The nominal value of mass per unit length shall be determined using a density of 7,85 kg/drn3. 6 Length(0 The sections shall be cut to ordered lengths to tolerances of either a) + 100 om or, by agreement between
25、the purchaser and manufacturer, b) i 50 mm Page 5 EN 10279 : 2000 PROPERTY HEIGHT h FLANGE WIDTH b WEB THICKNESS S FLANGE THICKNESS t HEEL RADIUS r3 OUT OF SQUARENESS k+kl WEB FLATNESS f STRAIGHTNESS 9xx DESIGNATION RANGE h165 65h I200 200h 5 400 400h bh50 50cb I 100 100bI 125 125cb s 10 loa 15 15s
26、t 10 10dh 15 15a All Sizes bL 100 100cb mm hh100 100h h 200 2004 h 400 400ch h 5 150 150ch 300 300eh Table 1 - Tolerances for taper flange channels 1 L I All w -_ _- $1 kg/m STANDARD hc 1 25 125ch ALTERNATIVE STANDARD (by agreement) MASS PER UNIT LENGTH hI 150 150h h 300 300ch I All LENGTH I 2 2.0 I
27、 3.0 f 4.0 f 1.5 f 2.0 f 2.5 f 3.0 TOLERANCE i 1.5 mm IT 0.5 f 0,7 rf: 1.0 a - 0.5 a - l,o h 0,3t 2 ,o 2,5% of b & 0,5 I l,o * 1,s * 1,5 I 0.3% of 1 f 0.2% of I -c 0.15% of 1 * 0.5% of 1 f 0.3% of I f 0,2% of I + 100 0 I 50 f 6% 14% i. plus tolerances are limited by weight. Page 6 EN 10279 : 2000 DE
28、SIGNATION PROPERTY RANGE TOLERANCE mm mm HEIGHT h165 -t 1,5 h 654 1 200 t 2,o I- - L f 400h T-l f 4.0 12kb I b 50cb 5 100 I 100b5125 I 2.5 f 3.0 WEBTHICKNESS 1 ss 10 lOsI 15 f 0,7 f 1.0 FLANGE THICKNESS t 10 lo? 15 15ct a - 1.5 HEEL RADIUS All Sizes 2 0,3t f 0.5 .*I El 5i fl STANDARD ALTERNATIVE STA
29、NDARD (by agreement) MASS PER UNIT LENGTH i. Plustolerances are limited by r3 OUT OF b5100 2.0 SQUARENESS 100b 2.5% of b k+k, WEB FLATNESS h 100 f 0.5 200h I400 f 1.5 400h f 1.5 f 1004 I200 * l,o STRAIGHTNESS 9.u hS 150 f 0.3% of 1 i: 0.2% of I 300h f 0,15% of I 4n h5150 OS% of 1 2 0.3% of 1 300ch i 0.2% of I 150h I 300 1504 I300 All +lo0 O LENGTH 1 Ail f 50 kg/m hl 125 f 6% 125 h f 4% weight
