BS ISO 16160-2012 Hot-rolled steel sheet products Dimensional and shape tolerances《持续热轧钢板产品 尺寸与形状公差》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 16160:2012Hot-rolled steel sheet products Dimensional and shapetolerancesBS ISO 16160:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation

2、of ISO 16160:2012. It supersedes BS ISO 16160:2011 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee ISE/109, Coated and Uncoated Flat Products to be Used for Cold Forming.A list of organizations represented on this committee can be obtained on request t

3、o its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2012. Published by BSI Standards Limited 2012ISBN 978 0 580 76078 5 ICS 77.140.50 Compliance with a British St

4、andard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2012.Amendments issued since publicationDate T e x t a f f e c t e dBS ISO 16160:2012 ISO 2012Hot-rolled steel sheet products Dim

5、ensional and shape tolerancesTles en acier lamines chaud Tolrances sur dimensions et formeINTERNATIONAL STANDARDISO16160Fourth edition2012-11-15Reference numberISO 16160:2012(E)BS ISO 16160:2012ISO 16160:2012(E)ii ISO 2012 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2012All rights reserved.

6、Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester.IS

7、O copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 16160:2012ISO 16160:2012(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standar

8、ds bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organi

9、zations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in

10、the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of

11、 the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.ISO 16160 was prepared by Technical Committee ISO/TC 17, Steel, Subc

12、ommittee SC 12, Continuous mill flat rolled products.This fourth edition cancels and replaces the third edition (ISO 16160:2011), which has been technically revised. ISO 2012 All rights reserved iiiBS ISO 16160:2012BS ISO 16160:2012Hot-rolled steel sheet products Dimensional and shape tolerances1 Sc

13、opeThis International Standard applies to dimensional and shape tolerances for all hot-rolled steel sheet products.NOTE Hot-rolled steel strip and hot-rolled heavy-thickness steel sheet coils are not covered by this International Standard.2 Dimensional and shape tolerancesDimensional and shape toler

14、ances are given in Tables 1 to 9.Table 1 Thickness tolerances for hot-rolled sheet steel (including descaled sheet), coils and cut lengthsDimensions and tolerances in millimetresSpecified widthThickness toleranceafor specified thicknessesb, c, d0,8 1,5 1,5 2,0 2,0 2,5 2,5 3,0 3,0 4,0 4,0 5,0 5,0 6,0

15、 6,0 8,0 8,0 10,0 10,0 12,5600 1 200 0,13 0,14 0,15 0,16 0,18 0,20 0,22 0,25 0,27 0,30 1 200 1 500 0,14 0,15 0,16 0,18 0,20 0,22 0,24 0,26 0,28 0,31 1 500 1 800 0,15 0,18 0,20 0,22 0,24 0,25 0,26 0,29 0,32 1 800 0,21 0,22 0,23 0,25 0,26 0,30 0,34 0,38The values specified do not apply to the uncroppe

16、d ends for a total length, l, of a mill edge coil. The total length, l, would be calculated using the following formula:Total length, l, in metres =90Thicknessinmillimetresprovided that the result was not greater than 20 m, inclusive of both ends.When International Standards that reference this stan

17、dard permit slitting sheet to less than 600 mm in width to be considered as sheet, tolerances shall be subject to agreement.aFor specified strength levels of Re= 360 N/mm2and greater, increase the thickness tolerances by 10 % applying normal rounding-off procedures.bThickness is measured at any poin

18、t on the sheet not less than 25 mm from a sheared edge and 40 mm from a mill edge. Points closer than these are subject to negotiation.cThe specified thickness-range captions apply as a specific value.dThe tolerances provided in this table are based on normal thickness (tolerance over and under). Fo

19、r ordered thicknesses other than nominal, the total tolerance is twice the tabled value and may be distributed as agreed upon between the buyer and seller.INTERNATIONAL STANDARD ISO 16160:2012(E) ISO 2012 All rights reserved 1BS ISO 16160:2012ISO 16160:2012(E)Table 2 Width tolerances for coils and c

20、ut lengths (including descaled material), mill edgeDimensions and tolerances in millimetresSpecified width Tolerance 1 500+200The values specified do not apply to the uncropped ends for a total length, l, of a mill edge coil.The total length, l, would be calculated using the formula:Total length, l,

21、 in metres =90Thicknessinmillimetresprovided that the result was not greater than 20 m, inclusive of both ends.Table 3 Width tolerances for coils and cut lengths (including descaled material), sheared edge, not resquaredDimensions and tolerances in millimetresSpecified width Tolerance 1 200+30 1 200

22、 1 500+50 1 500+60NOTE For resquared material, more restrictive tolerances are subject to negotiation.Table 4 Length tolerances for cut lengths (including descaled material), not resquaredDimensions and tolerances in millimetresSpecified length Tolerance 2 000+100 2 000 8 000+050,%length 8 000+400NO

23、TE For resquared material, more restrictive tolerances are subject to negotiation.Table 5 Camber tolerances for coils and cut lengths (including descaled material), not resquaredDimensions and tolerances in millimetresForm Camber toleranceCoils 25 in any 5 000 lengthCut lengths 0,5 % lengthNOTE For

24、resquared material, more restrictive tolerances are subject to negotiation. The values specified do not apply to the uncropped ends of a mill edge coil for a total length of 7 m. Camber is the greatest deviation of a side edge from a straight line, the measurement being taken on the concave side wit

25、h a straight edge as shown in Figure 1.2 ISO 2012 All rights reservedBS ISO 16160:2012ISO 16160:2012(E)Table 6 Out-of-square tolerance for cut lengths (including descaled material), not resquaredDimensions Out-of-square toleranceAll thicknesses and all sizes 0,7 % widthNOTE Out-of-square is the grea

26、test deviation of an edge from a straight line, at right angles to a side and touching one corner, the measurement being taken as shown in Figure 2. It can also be measured as one-half of the difference between the diagonals of the cut-length sheet.Table 7 Out-of-square tolerance for resquared mater

27、ial (including descaled material)Dimensions and tolerances in millimetresSpecified length Specified widthOut-of-square tolerance 6 mm thickness 3 000 1 200+10 1 200+20 3 000 All widths+20NOTE Out-of-square is the greatest deviation of an edge from a straight line at right angles to a side and touchi

28、ng one corner, the measurement being taken as shown in Figure 2. It can also be measured as one-half of the difference between the diagonals of the cut-length sheet. When measuring material to resquared tolerances, consideration may have to be given to extreme variations in temperature.Table 8 Stand

29、ard flatness tolerances for cut lengths (including descaled material)Dimensions and tolerances in millimetresSpecified thick-nessSpecified widthFlatness tolerance Specified strength level of Re340 MPa 2 1 200 1 200 1 500 1 500212530263138323845 2 1 200 1 200 1 500 1 500182328222935273442NOTE Maximum

30、 deviation from a flat horizontal surface: with the sheet lying under its own weight on a flat surface, the maximum distance between the lower surface of the sheet and the flat horizontal surface is the maximum deviation from flatness as shown in Figure 3. This table also applies to sheet cut to len

31、gth from coil by the customer when agreed-upon flattening procedures are performed. ISO 2012 All rights reserved 3BS ISO 16160:2012ISO 16160:2012(E)Table 9 Restricted flatness tolerances for cut lengths (including descaled material)Dimensions and tolerances in millimetresSpecified thick-nessSpecifie

32、d widthFlatness toleranceSpecified strength level of Re340 MPa 2 1 200 1 200 1 500 1 500182025202530253240 2 1 200 1 200 1 500 1 500162025182328233038NOTE Maximum deviation from a flat horizontal surface: with the sheet lying under its own weight on a flat surface, the maximum distance between the l

33、ower surface of the sheet and the flat horizontal surface is the maximum deviation from flatness as shown in Figure 3. This table also applies to sheet cut to length from coil by the customer when agreed-upon flattening procedures are performed.More restrictive tolerances may be negotiated.Key1 edge

34、 camber2 side edge (concave side)3 straight edgeFigure 1 Measurement of camber4 ISO 2012 All rights reservedBS ISO 16160:2012ISO 16160:2012(E)Key1 out-of-square2 straight edge3 side edgeFigure 2 Measurement of out-of-squareKey1 maximum deviation from flatnessFigure 3 Measurement of flatness ISO 2012

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