ISO 6507-1 PDF

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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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We have no amendments or corrections for this standard. 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. 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. For these tests, a longer duration is permitted and this duration shall be specified as part of the hardness designation see EXAMPLE in 4.

Subscription pricing is determined by: Adobe is a trademark of Adobe Systems Incorporated. No deformation shall be visible at the back of the test piece after the test. Because of this approach, it is important that the individual machine components are operating within the tolerances. The arithmetical mean of the two readings shall be taken for the calculation of the Vickers hardness. The distance between the centres of two adjacent indentations shall be at least three times the mean diagonal length of the indentation in the case of steel, copper and copper alloys, and at least six times the mean diagonal length in the case of light metals, lead and tin and their alloys.

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Need more than one copy? It is important that the test piece lies firmly on the support so that displacement cannot occur during the test. The support surfaces shall be clean and free from foreign matter scale, oil, dirt, etc.

ISO : 金属维氏硬度试验 第一部分:试验方法 – MBA智库文档

It is strongly recommended that this procedure be applied for a maximum of one year after the successful passing of a direct verification. Reference number ISO As a reference, an EA guideline [7] is available. ISO shall not be held responsible for identifying any or all such patent rights.

The iao for the determination of Ucorr is explained in Table D.

The work of preparing International Standards is normally carried out through ISO technical committees. In this case, an estimate of type A standard uncertainty may be obtained from the statistical analysis of repeated indentations into the test piece.

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

If the measuring system fails this test, appropriate action should be taken. Werkstofftechnik 4pp. 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 GUM: In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.

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65077-1 is the base of M2.

International 65507-1, governmental and non-governmental, in liaison with ISO, also take part in the work. It may not always be possible to quantify all the identified contributions to the uncertainty.

BS EN ISO 6507-1:2018

In GUM, it is recommended to use a correction to compensate for such systematic effects. M2 may lead to smaller values of uncertainty. This standard is not included in any packages. 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. The Vickers hardness test is specified in this part of ISO for lengths of indentation diagonals between 0, mm and 1, mm.

A record of these results should be maintained over a period of time, and used to measure reproducibility and monitor drift of the machine.

If not, an indirect verification should be performed. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.