Re: [MW:23716] Impact test- minimum thk requirement

Dear ramin which code and section you refer -46 Cdeg,

Please elavorate ..

On Wednesday, May 22, 2013 at 5:50:05 PM UTC+3, Ramin Kondori wrote:

Dear Victor:

In our project we have similar requirements for Duplex and Super Duplex as James mentioned (regardless of thickness) where it requires impact test at -46 degC and results should demonstrate average of minimum 27J and no result less than 20J).

Regards

Ramin Kondori

Sr. QA/QC Engineer

SINOPEC

r.ko...@petroyada.com
+98-2123592322
+98-9132150320

On Wed, May 22, 2013 at 3:24 PM, james gerald <gerr...@yahoo.com> wrote:

Impact test not required/cannot be performed if the thickness is below 2.5mm.

 

Check with Metallurgy Lab whether they can machine your sample with thickness 3.73mm and perform Impact.

 

If yes, then Impact test need to be performed at -46/-50degC for Duplex.

 

Thanks & Regards

J.Gerald Jayakumar
00968-99438165

From: victor george <dvge...@gmail.com>
To: material...@googlegroups.com
Cc: Arul prakash <r.arul...@gmail.com>
Sent: Wednesday, May 22, 2013 2:33 PM
Subject: [MW:17738] Impact test- minimum thk requirement

Hi Experts,

 

Please explain what is the minimum thickness requirement of impact test.

 

Material: A790 S31803 pipe

Size: 1/2' Sch 80 (WT- 3.73mm)

Sour service

 

 

Question: Is it possible to do impact test on 3.73 thk?

 

 

Best Regards,

DV.George

 

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