Re: [MW:32836] IMPACT TEST FAILLURE

THK 7.11 mm 

Following information is required 

At what temperature Impact was carried out?

What is the impact sample size when tested ?

On Thu, Oct 7, 2021 at 5:04 PM 'Prakash Hegde' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Hi

In addition some time there is possiblity of improper.Heat treatment received to Forging and casting causing non uniformity of.req.grain structure for total cross section Causing failure in Impact test

Regards

Hegde

Sent from Yahoo Mail on Android

On Thu, 7 Oct 2021 at 15:02, J Prinsen

<weldtech@online.nl> wrote:

No it is not,

Something went wrong with the thermal cycle during welding, heat-input/interpass to high will break down the impact thoughness

Regards

Jurgen Prinsen IWE

Metallurgist and welding engineer

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Van: "QA/QC" <adnanziad49@gmail.com>
Aan: "materials-welding" <materials-welding@googlegroups.com>
Verzonden: Donderdag 7 oktober 2021 10:16:23
Onderwerp: [MW:32549] IMPACT TEST FAILLURE

DEAR MASTER 

we have a test coupon 7.11 thichness with flange a106 with a105n 

during mechanical test the impact test for FLANGE FAILLURE IN HAZ  IN 3 POINT £

IS IT ACCEPTABLE 

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