Hikari Corporation

Last time, we introduced that there are various types of heat treatment.

Before introducing that kind, I would like to explain about "heating up".

 

When trying to change the properties of a material, it is necessary to heat it to a certain temperature.

 

For steel, it is 723 degrees.

When heated so far Steel will look like this.↓

 

The state in which iron turned red in this way is called "austenite".

Please refer to this video for Austenite.

ものづくりの基本　熱処理その④　オーステナイトって何？ - YouTube

 

By the way, "Austenite" is from a person's name.

A person named Roberts Austen in England discovered this "austenite".