[MW:16582] RES: 16574] ASTM A516 Gr.70 normalizing

M. Farhang;

 

The plates can be supplied “normalized” or “as rolled”; it depends how it was ordered:

 

 

In my point of view, for data book issues and assured properties , you should have the original material certificates that guarantee the treatment imposed to the material’s specific  lot. Metallographic tests  can guarantee only the conditions for the specific plates inspected.

 

 

Special attention to the AWS D1.1 regarding precaution when using ASTM A 500 class where toughness properties are required.

 

 

Gest regards

 

Sérgio Munhós

 

De: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] Em nome de PUB:M2M
Enviada em: quarta-feira, 23 de janeiro de 2013 00:47
Para: materials-welding@googlegroups.com
Assunto: [MW:16574] ASTM A516 Gr.70 normalizing

 

 

Dear All

 

I need to know how can understand that ASTM A516 Gr.70 is normalized or not?

 

Somebody told me:

 “according to clause 5.3 of ASTM A516 standard (attached), when we apply charpy impact test on a material and it pass the impact test successfully, we can say the material is surly normalized but if the material can’t pass the impact test, we shall apply metallographic test to understanding if the material is normalized.

 

And somebody said me:

“we have just 1 way to know that is the material normalized or not. And its metallographic test.”

 

M. Farhang

 

 

 

 

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