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DIN EN 1563:2019
Founding - Spheroidal graphite cast irons; German version EN 1563:2018
This European Standard specifies 2 groups of spheroidal graphite cast iron grades by a classification based on mechanical properties measured on machined test pieces prepared from cast samples. The first group deals mainly with ferritic to pearlitic grades. The second group deals with solid-solution strengthened ferritic grades.
Deutsches Institut für Normung [din]