1、 DEUTSCHE NORMSeptember 2006DIN EN 10140 ICS 77.140.50 Supersedes DIN EN 10140:1996-10 Cold rolled narrow steel strip Tolerances on dimensions and shape English version of DIN EN 10140:2006-09 Kaltband Grenzabmae und Formtoleranzen Englische Fassung DIN EN 10140:2006-09 Document comprises 13 pages N
2、o part of this standard may be reproduced without prior permission of DIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen). English price group 8 www.din.de www.beuth.de !,p#“02.07 9779800DIN EN 1
3、0140:2006-09 2 National foreword This standard has been prepared by ECISS/TC 13 “Flat products for cold working Qualities, dimensions, tolerances and specific tests” (Secretariat: Belgium). The responsible German body involved in its preparation was the Normenausschuss Eisen und Stahl (Steel and Iro
4、n Standards Committee), Technical Subcommittee UA 20/2 Manormen fr kaltgewalzte Flacherzeug-nisse. Amendments This standard differs from DIN EN 10140:1996-10 as follows: a) In Table 1, subclause 6.1 thickness tolerances for nominal widths 125 mm up to 600 mm have been combined. b) If so agreed at th
5、e time of ordering, the upper limit of a 600 mm nominal width can be extended to 650 mm. Previous editions DIN 1544: 1943-09, 1954-08, 1975-08 DIN EN 10140: 1996-10 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10140 July 2006 ICS 77.140.50 Supersedes EN 10140:1996 English Version Cold rolled
6、 narrow steel strip - Tolerances on dimensions and shape Feuillards lamins de froid - Tolrances de dimensions et de forme Kaltband - Grenzabmae und Formtoleranzen This European Standard was approved by CEN on 12 June 2006. CEN members are bound to comply with the CEN/CENELEC Internal Regulations whi
7、ch 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 Central Secretariat or to any CEN member. This European Sta
8、ndard 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 as the official versions. CEN members are the national sta
9、ndards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EU
10、ROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10140:2006: EEN 10140:20
11、06 (E) 2 Contents Foreword3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Form and conditions of delivery 4 4.1 Form of delivery.4 4.2 Condition of delivery .5 5 Designation 5 6 Tolerances on dimensions .6 6.1 Thickness .6 6.2 Width .6 6.3 Length .7 7 Tolerances on shape .8 7.1 Edg
12、e camber 8 7.2 Flatness of cut lengths8 7.3 Out-of-squareness.8 8 Measurements9 8.1 Thickness .9 8.2 Flatness of cut lengths9 8.3 Edge camber 10 9 Packing .10 Bibliography11 EN 10140:2006 (E) 3 Foreword This document (EN 10140:2006) has been prepared by Technical Committee ECISS/TC 13 “Flat products
13、 for cold working - Qualities, dimensions, tolerances and specific tests”, the secretariat of which is held by IBN. 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 January 2007, and conflicting na
14、tional standards shall be withdrawn at the latest by January 2007. This document supersedes EN 10140:1996. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech
15、 Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 10140:2006 (E) 4 1 Scope 1.1 This European Stan
16、dard applies to cold rolled narrow strip in coils and cut lengths, in thicknesses up to 10 mm and of widths less than 600 mm, made from unalloyed and alloyed steels, mainly those specified in EN 10132, EN 10139, EN 10268 and prEN 10338, with the exception of stainless and heat-resisting steels and t
17、he products given in 1.2. The application of this European Standard to products with other dimensions shall be agreed separately. 1.2 This European Standard does not cover cold rolled flat products for which a separate standard already exists, particularly the following products: cold rolled non-ori
18、ented magnetic steel sheet and strip (EN 10106); grain-oriented magnetic steel sheet and strip (EN 10107); cold rolled electrical non-alloy and alloy steel sheet and strip delivered in the semi-processed state (EN 10341); cold rolled uncoated low carbon and high yield strength steel flat products fo
19、r cold forming (EN 10131); cold reduced blackplate (EN 10205). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references the latest edition of the referenced document
20、(including any amendments) applies. EN 10079:1992, Definition of steel products 3 Terms and definitions For the purposes of this European Standard, the terms and definitions of cold rolled flat products given in clause 1 and those given in EN 10079:1992 shall apply. 4 Form and conditions of delivery
21、 4.1 Form of delivery Cold rolled narrow strip according to this European Standard may be supplied: in coils, of which the dimensions and weight shall be agreed at the time of ordering; or in cut lengths (when coils have been unwound and cut into lengths). By agreement at the time of order, the pref
22、erred internal coil diameter is approximately 500 mm or 400 mm. For narrow strip in thicknesses of less than 0,5 mm, smaller internal diameters (e.g. 300 mm or 250 mm) may be agreed separately. NOTE In the case of narrow widths, strip conforming to this standard may also be wound in layers and suppl
23、ied in the form of a bobbin wound coil. EN 10140:2006 (E) 5 4.2 Condition of delivery Unless the edge condition and tolerances on dimensions and shape are specified in the order, products shall be supplied with slit edges (GK) and normal tolerances (A); cut lengths shall be supplied in as produced l
24、engths. 5 Designation Products conforming to this European Standard shall be designated in the following order: a) type of product (narrow strip or cut length); b) reference to this European Standard (EN 10140); c) nominal thickness in millimetres; d) letters B or C for products ordered with fine or
25、 precision tolerances on thickness; e) nominal width in millimetres; f) symbols for type of edge; g) letter B for products ordered with fine tolerances on width; h) nominal length in millimetres (only for cut lengths); i) letter B for products ordered with fine tolerances on length; j) letters FS fo
26、r narrow strip or cut length with fine tolerances on edge camber. The designation of products shall be followed by the precise designation of the steel grade ordered and the surface appearance. EXAMPLE 1 The designation for cold rolled narrow strip conforming to this European Standard, 1,50 mm thick
27、, having a normal tolerance on the nominal thickness, a width of 200 mm, slit edges (GK) and made from steel grade DC04 + LC MB RM conforming to EN 10139, is: Narrow strip EN 10140 - 1,50 x 200 - GK Steel EN 10139 - DC04 + LC - MB - RM EXAMPLE 2 The designation for cut length conforming to this Euro
28、pean Standard having a nominal thickness of 2 mm, a nominal width of 450 mm, slit edges (GK), a nominal length equal to 4000 mm with fine tolerances (B) on length and made from steel grade DC03 + A MA conforming to EN 10139, is: Cut length EN 10140 - 2,0 x 450 GK x 4000 B Steel EN 10139 - DC03 + A M
29、A EN 10140:2006 (E) 6 6 Tolerances on dimensions 6.1 Thickness 6.1.1 The tolerances on thickness are normal (A), fine (B) or precision (C) and are given in Table 1. Table 1 Tolerance on thickness Dimensions in millimetres Tolerances on thickness for nominal widths Nominal thickness A B C A B C 0,10
30、0,008 0,006 0,004 0,010 0,008 0,005 0,10 0,15 0,010 0,008 0,005 0,015 0,012 0,010 0,15 0,25 0,015 0,012 0,008 0,020 0,015 0,010 0,25 0,40 0,020 0,015 0,010 0,025 0,020 0,012 0,40 0,60 0,025 0,020 0,012 0,030 0,025 0,015 0,60 1,00 0,030 0,025 0,015 0,035 0,030 0,020 1,00 1,50 0,035 0,030 0,020 0,040
31、0,035 0,025 1,50 2,50 0,045 0,035 0,025 0,050 0,040 0,030 2,50 4,00 0,050 0,040 0,030 0,060 0,050 0,035 4,00 6,00 0,060 0,050 0,035 0,070 0,055 0,040 6,00 8,00 0,075 0,060 0,040 0,085 0,065 0,045 8,00 10,00 0,090 0,070 0,045 0,100 0,075 0,050 aCan be extended to 650 mm: see 6.2.4. 6.2 Width 6.2.1 Th
32、e edge condition required (as-rolled, slit or special) shall be agreed at the time of ordering. Unless otherwise specified, products are supplied with slit edges (GK). By special agreement and depending on the technical capabilities of the manufacturer, flat products may be supplied with special edg
33、es (SK), for example sharp-edged or round-edged. 6.2.2 The tolerances on width for narrow strip and cut lengths with as-rolled edges (NK) and slit edges (GK) are given in Tables 2 and 3. By agreement at the time of ordering, slit edged products (GK) may be supplied without minus tolerances (i.e. all
34、 plus tolerances) or without plus tolerances (i.e. all minus tolerances) on the nominal width. In this case, the tolerance will be equal to the total range of permissible tolerances given in Tables 2 and 3. 6.2.3 The tolerances on width of products with special edges (SK) shall be agreed at the time
35、 of ordering. 6.2.4 The upper limit of 600 mm can be extended to 650 mm by agreement at the time of ordering. EN 10140:2006 (E) 7 Table 2 Tolerance on width for narrow strip with as-rolled edges Dimensions in millimetres Nominal width Tolerances on width A B A B A B 0,60 0,15 0,10 0,20 0,13 0,25 0,1
36、8 0,60 1,50 0,20 0,13 0,25 0,18 0,30 0,20 1,50 2,50 0,25 0,18 0,30 0,20 0,35 0,25 2,50 4,00 0,30 0,20 0,35 0,25 0,40 0,30 4,00 6,00 0,35 0,25 0,40 0,30 0,45 0,35 6,00 8,00 0,45 0,50 0,55 8,00 10,00 0,50 0,55 0,60 aCan be extended to 650 mm: see 6.2.4. NOTE 1 For strip in the hardened and tempered co
37、ndition, the tolerances on width are to be agreed at the time of ordering. NOTE 2 For thicknesses greater than 6 mm, the measuring method is to be agreed at the time of ordering. 6.3 Length Cut lengths shall be supplied in lengths with all plus tolerances as specified in Table 4. Table 4 Length tole
38、rances Dimensions in millimetres Plus tolerances relative to the nominal length for Nominal length L Class A Class B L 1 000 + 10 + 6 1 000 2 500 + 0,01 L + 0,003 L EN 10140:2006 (E) 8 7 Tolerances on shape 7.1 Edge camber Class A and Class B tolerances on edge camber shall be those given in Table 5
39、 for a gauge length of 1000 mm (see also 8.3). Table 5 Tolerance on edge camber Dimensions in millimetres Nominal width W Class A (max. deviation) Class B (FS) (max. deviation) 10 W 25 5,00 2,00 25 W 40 3,50 1,50 40 W 125 2,50 1,25 125 W 600a 2,00 1,00 aCan be extended to 650 mm: see 6.2.4. NOTE 1 T
40、he tolerances in Table 5 are only applicable to narrow strip of width at least 10 times the thickness. NOTE 2 For strip in the hardened and tempered condition, edge camber tolerances may be reduced if agreed at the time of ordering. Where it is not practicable to measure over 1 000 mm, equivalent to
41、lerances may be calculated from the following formula, the result being rounded to the next highest millimetre Edge camber tolerance=()22length standardlength standardnon edge camber tolerance shown in Table 5 (1) 7.2 Flatness of cut lengths The tolerance on flatness of cut lengths in the direction
42、of rolling shall be 10 mm maximum over 1000 mm. Any other requirements for flatness shall be specially agreed at the time of ordering. If strip is required to be especially flat across the width, the maximum deviation from flatness and the method of measurement shall be agreed at the time of orderin
43、g. 7.3 Out-of-squareness The out-of-squareness of cut lengths in widths less than or equal to 100 mm shall not exceed 1 mm. For cut lengths in widths exceeding 100 mm, the out-of-squareness shall not exceed 1 % of the actual width of the cut length. EN 10140:2006 (E) 9 8 Measurements 8.1 Thickness T
44、he tolerances on thickness given in Table 1 apply only to measurements made at the minimum distances from the edge of the product, as defined in Table 6. Table 6 Minimum distances of the measuring points from the edge Dimensions in millimetres Types of edges Nominal width W Minimum distance of measu
45、ring from the edges As rolled edges W 30 30 W 600a 0,5 W 15 Slit edgesb W 20 20 W 600a0,5 W 10 Other edges By agreement aCan be extended to 650 mm: see 6.2.4. bMeasurement throughout the whole width may be performed upon agreement between manufacturer and purchaser. 8.2 Flatness of cut lengths The d
46、eviation from flatness, p (in the direction of rolling) is taken to be the greatest distance between the cut length resting freely on a flat horizontal base and a rule. The gauge length is fixed at 1000 mm (see Figure 1). Dimensions in millimetres Key 1 Direction of rolling 2 Product 3 Base p Deviat
47、ion from flatness Figure 1 Deviation from flatness EN 10140:2006 (E) 10 8.3 Edge camber The edge camber c is taken to be the greatest distance between a longitudinal edge and a straight line connecting both ends of the gauge length. It is measured on the concave edge of the product. The gauge length
48、 is fixed at 1 000 mm. For narrow strip, the measurement shall be taken at least 3 000 mm from one of the ends of the strip (see Figure 2). Key L Gauge length W Product width c Edge camber Figure 2 Edge camber 9 Packing Coils shall be secured in such a way that they cannot be damaged or unwound under normal conditions of loading, transportation or careful storage. EN 10140:2006 (E) 11 Bibliography 1 EN 10132, Cold rolled narrow steel strip for heat treatment Technical delivery conditions 2 EN 10139, Cold rolled uncoated mild steel narrow strip for cold forming Technical delivery conditions
