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Re: [MW:30539] Base Metal Hardness after PWHT


There is no limitation on lower hardness value. But tensile strength is proportionate to hardness. Hence check with your client

On Fri, 21 Feb 2020 at 5:37 pm, Roshan Patel
<patelroshankk@gmail.com> wrote:
Hardness measured with portable Hardness tester. Also try after grinding also no major different.

My point is after PWHT Base Metal hardness is around 120 HB acceptable or not ?

On Fri, 21 Feb, 2020, 3:29 PM 'james gerald' via Materials & Welding, <materials-welding@googlegroups.com> wrote:
Referred hardness testing equipment is GE Krautkramer MIC 10

Thanks & Regards

J.Gerald Jayakumar




On Friday, February 21, 2020, 02:43:01 PM GMT+7, harenath jha <harenathjha@gmail.com> wrote:


Please specify the Method of measurement and instruments used ?

On Fri, Feb 21, 2020 at 12:18 PM <patelroshankk@gmail.com> wrote:
Dear Experts,

For SA 182 F11 and SA 182 F22 materials after welding and PWHT hardness of Base Metal is reduced to 120 HB, is it acceptable or not ?

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