ISO 17804:2020

Founding - Ausferritic spheroidal graphite cast irons - Classification

This document defines the grades and the corresponding requirements for ausferritic spheroidal graphite cast irons.

This document specifies five grades of ausferritic spheroidal graphite cast iron by a classification based on mechanical properties determined on machined test pieces prepared from:

— separately cast samples, side-by-side cast or cast-on samples;

— samples cut from a casting.

This document also specifies two grades by a classification as a function of hardness.

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