iso689212009金屬材料室溫拉伸試驗方法

1、 Reference number ISO 6892-1:2009(E)© ISO 2009INTERNATIONAL STANDARD ISO 6892-1First edition 2009-08-15Metallic materials — Tensile testing — Part 1: Method of test at room temperature Matériaux métalli

2、ques — Essai de traction — Partie 1: Méthode d'essai à température ambiante Provided by IHS Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 08/20/2009 18:56:46 MDT No reproduction or ne

3、tworking permitted without license from IHS--`,``,`,``,`,,,,``,,`,,`,,`,,,,-`-`,,`,,`,`,,`---ISO 6892-1:2009(E) © ISO 2009 – All rights reserved iiiContents Page Foreword ..........................................

4、...................................................................................................................v Introduction...........................................................................................

5、.............................................................vi 1 Scope....................................................................................................................................................

6、..1 2 Normative references............................................................................................................................1 3 Terms and definitions ..........................................

7、.................................................................................1 4 Terms and symbols.....................................................................................................................

8、..........7 5 Principle..................................................................................................................................................8 6 Test piece ..................................

9、.............................................................................................................8 7 Determination of original cross-sectional area............................................................

10、....................10 8 Marking the original gauge length.....................................................................................................10 9 Accuracy of testing apparatus.........................

11、..................................................................................11 10 Conditions of testing..............................................................................................................

12、.............11 11 Determination of the upper yield strength........................................................................................15 12 Determination of the lower yield strength ......................

13、..................................................................15 13 Determination of proof strength, plastic extension.........................................................................15 14 Determination of

14、proof strength, total extension.............................................................................16 15 Method of verification of permanent set strength ........................................................

15、...................16 16 Determination of the percentage yield point extension ..................................................................16 17 Determination of the percentage plastic extension at maximum force.

16、........................................16 18 Determination of the percentage total extension at maximum force.............................................17 19 Determination of the percentage total extension at fractu

17、re..........................................................17 20 Determination of percentage elongation after fracture...................................................................18 21 Determination of percentag

18、e reduction of area ...............................................................................18 22 Test report.......................................................................................................

19、.....................................19 23 Measurement uncertainty...................................................................................................................19 Annex A (informative) Recommendati

20、ons concerning the use of computer-controlled tensile testing machines .................................................................................................................................33 Annex B (normati

21、ve) Types of test pieces to be used for thin products: sheets, strips and flats between 0,1 mm and 3 mm thick .......................................................................................................39 An

22、nex C (normative) Types of test pieces to be used for wire, bars and sections with a diameter or thickness of less than 4 mm..............................................................................................

23、............42 Annex D (normative) Types of test pieces to be used for sheets and flats of thickness equal to or greater than 3 mm, and wire, bars and sections of diameter or thickness equal to or greater than 4 mm ..

24、.............................................................................................................................43 Annex E (normative) Types of test pieces to be used for tubes..............................

25、....................................47 Annex F (informative) Estimation of the crosshead separation rate in consideration of the stiffness (or compliance) of the testing machine.........................................

26、.............................49 Provided by IHS Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 08/20/2009 18:56:46 MDT No reproduction or networking permitted without license from IHS--`,``,`,``,`,,,,``,