Some material is having tendency that they are not showing the definate yield point during tensile test.So, we are taking the y.s when there is 0.1% or 0.2% strain is produced during tensile test. For details, refer ASTM E 8. It makes the difference. One shall use the suitable extensometer.
With Regards,
Rutvik
--- On Mon, 18/1/10, prashant pansare <prashantpan_99@yahoo.co.in> wrote:
> From: prashant pansare <prashantpan_99@yahoo.co.in>
> Subject: [MW:4076] 0.1% & 0.2% offset method
> To: "mat wel" <materials-welding@googlegroups.com>
> Date: Monday, 18 January, 2010, 8:53 PM
> Dear All,
> Why we go for 0.1% & 0.2% offset method for
> physical testing of some metals?
> Does it realy makes the diff?
> Pl. reply
> psp
>
>
>
>
>
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