scope:

SCOPE AND FIELD OF APPLICATION

This International Standard describes the macroscopic methods used in current practice for assessing the content of nonmetallic inclusions in wrought steel products.

Macroscopic methods are those dealing with nonmetallic inclusions visible to the naked eye or with the aid of a magnifying glass with a magnification of not more than X 10. Only inclusions equal to or greater than 1 mm long are taken into consideration.

The methods usually applied and defined in this International Standard are :

- the blue fracture test method;

- the step machined test method;

- the magnetic particle inspection method.