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Austenized vs Normalized

Austenized vs Normalized

Austenized vs Normalized

(OP)
  Hello,
        I recently reviewed an MTR for 2.5" SA 516 gr 70 Material. Fully expecting to see a statement referring to Normalized at x temp for y time. I was surprised to read Austenized at x temp for y time.
Can someone explain the difference. In the mean time, I will seek out SA20 base spec, but I thought I would get a better explanation at this site.
Thanks in advance.

RE: Austenized vs Normalized

Austenitizing refers to heating the material to a temperature that results in the development of 100% austenite phase prior to cooling.

Normalization is a specific heat treatment method that encompasses austenitizing and subsequent air cooling. Look to see how the material was cooled. it should have been air cooled.

RE: Austenized vs Normalized

(OP)
The material was indeed air cooled !!

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