ISO INTERNATIONAL. STANDARD. ISO. First edition. Metallic materials — Tensile testing —. Part 1: Method of test at room. Standard Standard of the month March DIN EN ISO Metallic materials – Tensile testing – Part 1: Method of test at room. Metallic materials – Tensile testing – Part 1: Method of test at room temperature ( ISO ); German version EN ISO
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Method A explicitly recommended. The description for setting the test speed for Rp determination in Method B is more precise and easier to understand. Figures 8 and 9 have been edited so they are clearer. From the very start, testXpert III uses a workflow that is based on your lab processes to guide you step by step through your test.
New edition of DIN EN ISO 6892-1 – Metal tensile test at ambient temperature
Labs and test institutions will not need to change their procedures with the update of this standard at this time. The main section of the standard, meaning the normative section, has not be changed in terms of metal tensile tests and the testing process.
The main eb have been the addition of a new normative annex, which defines the determination of Young’s modulus in a tensile test Annex Gand the improved descriptions of setting standard-compliant test speeds to Methods A and B.
There are no technical modifications required for existing applications. The new option involves the strain rate-based setting of the test speed and the option to also use the extensometer signal, meaning the actual specimen strain, for controlling the test speed. The method was called strain rate control and given the name Method A. Up to this point, the sn standardized method used, and still allowed, was called the strain speed-based method Method B and was not changed in its use and applicability.
With Method A, it must be emphasized once more that it is important to adhere to the characteristic values from the tensile test, in particular those for yield and proof stress, and the strain rate in the normative tolerance limits as defined. This can be implemented with the extensometer signal in a closed-loop as well as with a constant crosshead speed that is selected in such a way that the normatively specified tolerance limit reaches and adheres to the characteristic values open loop.
To improve the language and to uniquely designate the two loop types for Method A, the closed loop method is named Method A1 and the open loop method is named A2 in the new edition.
This strong recommendation is now made in the introduction, that is in the main section of the standard. According to the second edition of the standard, the goal of Diin A is to minimize differences in test speeds when determining characteristic values, in particular characteristics that depend on strain rate, and to minimize the measurement uncertainty of test results. It defines in detail the procedure for determining Young’s modulus in a tensile oso.
The approach is normative, but does not need to be used in a normal tensile test. Determining the initial gradient of the stress-strain measurement diagram mE is entirely sufficient for determining the characteristics of the tensile test. This means that test labs and izo do not need to make any changes in order to implement the new edition of the standard DIN EN ISO in daily testing.
ISO 6892-1 – Tensile Testing Metallic Materials at Room Temperature
The standard assumes that by following Annex G, the Young’s modulus value is achieved in a separate test because of the measuring equipment and the test parameters required. The content of Method B has not been amended, meaning that test labs and institutions do not need to make any changes to daily testing.
A strong recommendation has been made for Method A. Annex F has been revised and expanded, however the content remains the same. Annex G determination of Young’s modulus has been added.
Chapter 68892-1 has been renumbered and the annexes G and above have been renamed. An Overview of Fin Solutions AllroundLine for individual testing requirements and all applications The optimum solution for demanding testing applications, whether in quality control or for research projects. Getting started is easy! Workflow is based on the experience of users in the materials testing industry, keeping it consistent with lab processes.
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New edition of DIN EN ISO – Metal tensile test at ambient temperature
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