ASTM E92 PDF

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This standard is issued under the fixed designation E92; the number immediately 1 These test methods are under the jurisdiction of ASTM Committee E28 on. Astm e92 Vickers Hardness of Matallic Materials – Free download as PDF File . pdf), Text File .txt) or read online for free. ASTM E – Vickers Hardness of Metallic Materials(1) – Download as PDF File .pdf), Text File .txt) or read online.

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ASTM E – Standard Test Methods for Vickers Hardness and Knoop Hardness of Metallic Materials

The Vickers and Knoop hardness numbers were originally defined in terms of the test force in kilogram-force kgf and the surface area or projected area in millimetres squared mm 2. This standard has been approved for use by agencies of the U.

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Asm Newton units axtm force are used, the force must be divided by the conversion factor 9. Please first verify your email before subscribing to alerts. Anumber in parentheses indicates the year of last reapproval. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

However, in practice, the most commonly used force units are kilogram-force kgf and gram-force gf. Today, the hardness numbers are internationally defined in terms of SI units, that is, adtm test force in Newtons N. Today, the hardness numbers are internationally defined in terms of SI units, that is, the test force in Newtons N. The significant differences between the two tests are the geometries of the respective indenters, the method of calculation of the hardness numbers, and that.

The significant differences between the two tests are the geometries of the respective indenters, the method of calculation of the hardness numbers, and that Vickers hardness may be used at higher force levels than Knoop hardness.

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NOTE 1—The Vickers and Knoop hardness numbers were originally defined in terms of the test force in kilogram-force kgf and the surface area or projected area in millimetres squared mm 2.

Subscription pricing is determined by: This standard is issued under the fixed designation E92; the number immediately following the designation indicates the year of original adoption or, in the case astk revision, the year of last revision.

Microindentation hardness tests also allow specific phases or constituents and regions or gradients too small for macroindentation hardness testing to be evaluated. NOTE 2—While Committee E28 is primarily concerned with metallic ee92, the test procedures described are applicable to other materials. While Committee E28 is primarily concerned with metallic materials, the test procedures described are applicable to other materials.

This standard provides the requirements for Vickers and Knoop hardness machines and the procedures for performing Vickers and Knoop hardness tests. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Other materials may require special considerations, for example see C and C for ceramic testing.

This standard provides the ee92 for Vickers and Knoop hardness s92 and the procedures for performing Vickers and Knoop hardness tests. Today, the hardness numbers are internationally defined in terms of SI units, that is, the asfm force in Newtons N.

Hardness, although empirical in nature, can be correlated to tensile strength for many metals, and is an indicator of wear resistance and ductility. As the voice of the U. However, in practice, the most commonly used force units are kilogram-force kgf and gram-force gf. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.

Current edition approved April 1, The significant differences between the two tests are the geometries of the respective indenters, the method of calculation of the hardness numbers, and that Vickers hardness may be used at higher force levels than Knoop hardness.

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This standard provides the requirements for Vickers and Knoop hardness machines and the procedures for performing Vickers and Knoop hardness tests. This standard is not included in any packages.

However, because of the historical precedent and continued common usage, force values in gf and kgf units are provided for information and much of the discussion in this standard as well as the method of reporting the test results refers to these units. Anumber in parentheses indicates the year of last reapproval. However, in practice, the most commonly used force units are kilogram-force kgf and gram-force gf.

If the document is revised or amended, you will be notified by email. Other materials may require special considerations, for example see C and C for ceramic testing. This standard provides the requirements for Vickers and Knoop hardness machines and the procedures for performing Vickers and Knoop hardness tests.

Link to Active This link will always route to the current Active awtm of the standard.

This standard is issued under the fixed designation E92; the number immediately following the designation indicates the year of original. NOTE 2—While Committee E28 is primarily concerned with asym materials, the test procedures described are applicable to other materials. When Newton units of force are used, the force must be divided by the conversion factor 9.

NOTE 1—The Vickers and Knoop hardness numbers were originally defined in terms of the test force in kilogram-force kgf and the surface area or projected area in millimetres squared mm 2.

ASTM E92 – 17

Proceed to Checkout Continue Shopping. The significant differences between the two tests are the geometries of the respective indenters, the method of calculation of the hardness numbers, and that Vickers hardness may be used at higher force levels than Knoop hardness. Need more than one copy? Historical Version s – view previous versions of standard.