[MW:23753] Re: ASTM A516 Gr.70 normalizing

After normalized for A516Gr.70,the original MTR or MTC would appear "MT",this means material treated.(Heat treatment).

Of course,after normalized,the steel property would be improved and better.

As one steel plates supplier,our engineers suggest you has better choose Normalized heat treatment for your needed A516Gr.70 for thickness above 40mm (Normally is 1.5inch).

Hope this would be useful to you.

Eric from Xinsteel Industrial Co.,Limited

在 2013年1月23日星期三 UTC+8上午10:47:22，Farhang写道：

 

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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