ISO 17804:2020

Founding — Ausferritic spheroidal graphite cast irons — Classification ISO 17804:2020

Publication date:   Jun 4, 2020

General information

90.93   Standard confirmed   Oct 17, 2025

ISO

ISO/TC 25 Cast irons and pig irons

International Standard

77.080.10   Irons

Buying

Published

Language in which you want to receive the document.

Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 17804:2005

NOW

PUBLISHED
ISO 17804:2020
90.93 Standard confirmed
Oct 17, 2025




Access Genorma App Everywhere

Get fast and easy access to top European and International standards (EN, ISO, IEC) via your mobile phone, tablet or the web.