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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The correction factors are tabulated in terms iiso the ratio of the mean diagonal d of the indentation to the diameter D of the cylinder.
Such conversions, therefore, should be avoided, unless a reliable basis for conversion can be obtained by comparison tests. If the document is revised or amended, you will be notified by email. The correction factors are tabulated in terms of the ratio of the mean diagonal d of the indentation to the diameter D of the sphere.
Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. If the measuring system fails this test, appropriate action should be taken. The check involves at least one indentation being made on a hardness reference block, calibrated in accordance with ISO You may delete a document from your Alert Profile at any time. NOTE 1 A strict comparison of hardness values is jso possible at identical test forces.
The Vickers hardness test is specified in this part of ISO for lengths of indentation diagonals between 0, 65007-1 and 1, mm. Standards Subsctiption may be the perfect solution. ISO shall not be 6057-1 responsible for identifying any or all such patent rights.
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. The main task of technical committees is to prepare International Standards. Already Subscribed to this document. It may not always be possible to quantify all the identified contributions to the uncertainty. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing.
ISO – Metallic materials — Vickers hardness test — Part 1: Test method
Care should be taken, if standard uncertainties of type A and B are summarised, that the contributions are not counted twice see Clause 4 of Isl The finish of the surface shall permit accurate determination of the diagonal length of the indentation. The work of preparing International Standards is normally carried out through ISO technical committees. NOTE There is evidence that some materials may be sensitive to the rate of straining which causes small changes in the value of the yield strength.
It is strongly recommended that this procedure be applied for a maximum of one year after the successful passing of a direct verification.
For low-force hardness and microhardness tests, the maximum time shall not exceed 10 s. A record of these results should be maintained over a period of time, and used to measure reproducibility and monitor drift of the machine. For undated references, the latest edition of the referenced document including any amendments applies.
ISO ： 金属维氏硬度试验 第一部分：试验方法 – MBA智库文档
For automated measuring systems this standard should be applied accordingly. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. Reference number ISO Your Alert Profile lists the documents that will be monitored.
This part of ISO specifies the Vickers hardness test method, for the three different ranges of test force for metallic materials including hardmetals.
The error is no longer in the calculation of the uncertainty but all determined hardness values have to 6507-11 corrected by b or Ucorr has to be increased by b.
The measured dimension should agree with the certified value to within the maximum permissible error given in Table 5 of ISO This is the base of M2.
It is intended to make the annex normative in the next revision of this part of ISO Standard. This standard is not included in any packages. In accordance 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.
ISO consists of the following parts, under the general title Metallic materials — Vickers hardness test: In GUM, it is recommended to use a correction to compensate for such systematic effects.
There is no correction of the hardness values with respect to the error. For these tests, a longer duration is permitted and this duration shall be specified as part of the hardness ios see EXAMPLE in 4.
As the voice of the U.
BS EN ISO 6507-1:2018
Add to Alert PDF. Please first verify your email before subscribing to alerts. There is no general process of accurately converting Vickers hardness into other scales of hardness or into tensile strength.
As a reference, an EA guideline  is available.