Chemical Composition of Austenitic Steel

Austenitic Steel. More of all fasteners (97%) made from stainless steel are produced from this steel composition group.

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Why this choice?

This group of steels is characterised by impressive corrosion resistance and excellent mechanical properties.

The classification of austenitic steel

This type of steel are divided into 5 main groups whose chemical compositions are as follows:

 

Some other information

In A2 group if the chromium contenti s below 17%, the minimum nickel content should be 12%. Indeed, in A2 and A4 groups nitrogen may be present to maximum of 0,22%. The last but not the least, the carbon content may be higher where required in order to obtain the specified mechanical properties at larger diameters, but shall not exceed 0,12% for austenitic steels (at the discretion of the manufacturer).

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