<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">ductile iron</topic></authority><related type="broader"><topic>cast iron</topic></related><variant type="other"><topic>SG iron</topic></variant><variant type="other"><topic>SG irons</topic></variant><variant type="other"><topic>ductile cast iron</topic></variant><variant type="other"><topic>ductile cast irons</topic></variant><variant type="other"><topic>ductile irons</topic></variant><variant type="other"><topic>iron, ductile</topic></variant><variant type="other"><topic>iron, nodular</topic></variant><variant type="other"><topic>nodular iron</topic></variant><variant type="other"><topic>nodular irons</topic></variant> <note xml:lang="en"><![CDATA[ A type of cast iron that is similar to steel in both structure and some properties; it is often used for machine parts. ]]></note></mads>