ISO/TR 15931:2004

Designation system for cast irons and pig irons

ISO/TR 15931:2004 is intended to achieve the following:

• to make the designation of cast irons and pig irons as simple and as understandable as possible, bearing in mind language barriers world-wide;
• to define cast iron and pig iron designations by a simple code consisting of relevant letters and numbers only;
• to ensure that the agreed system is user-friendly from the point of view of the casting designer, the manufacturer (founder) and the user;
• to ensure that the designation system clearly defines the materials described by standards and details all of the important attributes of mechanical properties, chemical composition and additional features that need to be described.

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