August 15, 2019

ISO 6507-1 PDF

hardness test —. Part 1: Test method. Matériaux métalliques — Essai de dureté Vickers —. Partie 1: Méthode d’essai. STANDARD. ISO. Fourth edition. ISO INTERNATIONAL. STANDARD. ISO. Third edition. Metallic materials — Vickers hardness test —. Part 1: Test method. Matériaux . I.S. EN ISO is the adopted Irish version of the European . The text of ISO has been approved by CEN as EN ISO.

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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 ISO’s member body in the country of the requester.

These performance uncertainties reflect the combined effect to all the separate uncertainties indirect verification. This standard is not included in any packages.

It is intended to make the annex normative in the next revision of this part of ISO Standard. The check involves at least one indentation being made on a hardness reference block, calibrated in accordance with ISO HV 2,5 24,52 N may be used.

No deformation shall be visible at ido back of the test piece after the test. Add to Alert PDF. For dated references, only the edition cited applies. In general, as a result of the measurement, method 1 [Equation D.

The measured dimension should agree with the certified value to within the iao permissible error given in Table 5 of ISO Independent of the type of sources, for hardness there are two possibilities for the determination of the uncertainty. This is particularly true for low-force Vickers hardness tests and Vickers microhardness tests, where the principal limitation will arise in the measurement of the diagonals of the indentation.

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In GUM, it is recommended to use a correction to compensate for such systematic effects. The error is no longer in 65071 calculation of the 657-1 but all determined hardness values have to be corrected by b or Ucorr has to be increased by b. In M1, the error limit, that means the range in which the machine is allowed to differ from the reference standard is used to define the source uE of the uncertainty.

BS EN ISO – Metallic materials. Vickers hardness test. Test method

NOTE 2 In general, decreasing the test force increases the scatter of results of the measurements. As a reference, an EA guideline [7] is available. The finish of the surface shall permit accurate determination of the diagonal length of the indentation.

The required thickness is given by the point of intersection of the minimum thickness scale and a line shown dotted in the example in Figure A. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.

BS EN ISO 6507-1:2018

Verlag Berliner Union Stuttgart,pp Because of this approach, it is important that the individual machine components are operating within the tolerances. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. The duration of the test force shall be 10 s to 15 s, except for tests on materials whose time-dependent properties would make this iao unsuitable range.

Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. ISO consists of the following parts, under the general title Metallic materials — Vickers hardness test: Reference number ISO The procedure for the determination of U is explained in Table D.

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For these tests, a longer duration is permitted and this duration shall be specified as part of the hardness designation see EXAMPLE in 4. Ihre Klassifizierung und Auswirkung auf die Messwerte. Test method 1 Scope This part of ISO specifies the Vickers hardness test method, for the three different ranges of test force for metallic materials see Table 1.

Proceed to Checkout Continue Shopping. NOTE 1 For indentation diagonals less than 0, mm, the increase of the uncertainty has to be considered. It should be noted that for anisotropic materials, for example those which have been heavily cold-worked, there will be a difference between the lengths of the two diagonals of the indentation.

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In is with Adobe’s licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. The main task of kso committees is to prepare International Standards. The procedure for the determination of Ucorr is explained in Table D. The specification for the product may indicate limits for the differences between the lengths of the two diagonals. It may not always be possible to quantify all the identified contributions to the uncertainty.

NOTE 1 A strict comparison of hardness values is only possible at identical test forces. Such conversions, therefore, should be avoided, unless a reliable basis for conversion can be obtained by 6507-11 tests.

If the difference is greater, this shall be stated in the test report.