standard is GOST and material is DMR249A with impact requirement of -60'C
On Fri, Jul 11, 2014 at 5:28 AM, Raghuram Bathula <raghurambathula@gmail.com> wrote:
Well it's not depend on material. Ask your designer. Qualify based on MDMT , and not based on what is reported in MTC.
Btw @-60 deg c impact may not be required for this material. What is your code of construction?--On Jul 11, 2014 7:51 AM, "Avinash Pandey" <avi7589@gmail.com> wrote:
>
> Dear expert
>
> I have query suppose two material are welded with SS321 filler wire and the material 1 has an impact requirement of 78 j at -40'C and material 2 has an impact requirement of 60 j at -60'C where as weld metal has an impact requirement of 49 j at 20'C, then how to qualify PQR and which impact value to be consider.
>
> Request to clarify with example which will be helpful.
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