RE: [MW:23993] UG84.6 IMPACT SPECIMEN CLARIFICATION

Hi Venkatesan,

The impact test welding is unique, indistinct welding processes used. Imports the correct selection of filler metal and the correct application of heat input to favorable results during the impact test specimen. Differentiate process is not the best. Again check UG-84 ASME Section VIII Div-1/2013.

Regards,

Ramon Briceno

Metallurgical Engineer

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Date: Mon, 21 Dec 2015 23:40:04 +0800
Subject: [MW:23987] UG84.6 IMPACT SPECIMEN CLARIFICATION
From: g.venkatesan06@gmail.com
To: materials-welding@googlegroups.com

Hi sir,
This is venkatesan from singapore.

Could you please clarify on the requirements of ASME Section Viii Div.1 Edition 2013 Section UG84.6?

PQR Base material : SA516 Gr.70 of thickness 38.1mm
Deposited weld metal like GTAW-4mm+SMAW-15mm+SAW-19.1mm

Question: HAZ impact specimen suppose has to be taken based on UG84.6, definitely GTAW process is difficult to cover.

Do we have to take impact for each process or just follow UG84.6 table?

Simply means, Impact test specimen will take for PQR/ PTC as per ASME VIII. Is based on thickness or process?

Thanks
Venkatesan

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