{"id":8492,"date":"2018-10-12T16:31:38","date_gmt":"2018-10-12T16:31:38","guid":{"rendered":"https:\/\/staging.asminternational.org\/hts-new\/results\/-\/journal_content\/56\/10192\/35549976\/NEWS\/"},"modified":"2023-02-07T04:48:55","modified_gmt":"2023-02-07T04:48:55","slug":"one-minute-mentor-introduction-to-cast-irons","status":"publish","type":"post","link":"https:\/\/www.asminternational.org\/hts\/one-minute-mentor-introduction-to-cast-irons\/","title":{"rendered":"One Minute Mentor: Introduction to cast irons"},"content":{"rendered":"<p style=\"margin-bottom:.0001pt\"><span style=\"line-height:normal\"><span style=\"background:white\"><span style=\"color:black\">Cast irons, like steels, are iron-carbon alloys. The difference is that cast irons typically possess higher carbon levels than steels, so that cast irons can take advantage of eutectic solidification in the binary iron-carbon system, as shown in the diagram.<\/span><\/span><\/span><\/p>\n<p style=\"margin-bottom:.0001pt\"><span style=\"line-height:normal\"><span style=\"background:white\"><span style=\"color:black\">&nbsp;Cast irons often are defined as ferrous alloys that contain more than 2% carbon and 1% or more silicon. Eutectic solidification occurs with carbon content above 2%, but it also is important to note that silicon and other alloying elements may considerably change the maximum solubility of carbon in austenite (?). Therefore, in exceptional cases, alloys with less than 2% C can solidify with a eutectic structure and therefore still belong to the family of cast irons. <\/span><\/span><\/span><\/p>\n<p style=\"margin-bottom:.0001pt\"><span style=\"line-height:normal\"><span style=\"background:white\"><span style=\"color:black\">Nonetheless, most commercial irons have carbon contents within the range from 2.5 to 4.0% along with other essential alloying elements, of which silicon and phosphorus are the most important.&nbsp;<\/span><\/span><\/span><\/p>\n<p style=\"margin-bottom:.0001pt\">&nbsp;<\/p>\n<p style=\"margin-bottom:.0001pt\"><span style=\"line-height:normal\"><span style=\"font-size:12.0pt\"><a href=\"https:\/\/matdata-s.asminternational.org\/hbk\/do\/section\/content\/V04D\/D00\/A01\/index.htm\" target=\"page\" title=\"Volume 4D, Heat Treating of Irons and Steels\" rel=\"noopener\">Volume 4D, Heat Treating of Irons and Steels<\/a><span style=\"color:black\"><span style=\"font-variant-ligatures:normal; text-align:-webkit-left; -webkit-text-stroke-width:0px\"><span style=\"font-variant-caps:normal\"><span style=\"orphans:2\"><span style=\"widows:2\"><span style=\"text-decoration-style:initial\"><span style=\"text-decoration-color:initial\"><span style=\"float:none\"><span style=\"word-spacing:0px\"> -&gt;Heat Treatment of Cast Irons -&gt; <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>Introduction to Cast Iron Heat Treatment<\/span><\/span><\/p>\n<p style=\"margin-bottom:.0001pt\">&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cast irons typically possess higher carbon levels than steels, so that cast irons can take advantage of eutectic solidification in the binary iron-carbon system, as shown in the diagram.<\/p>\n","protected":false},"author":63082,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[440,441,1],"tags":[],"class_list":["post-8492","post","type-post","status-publish","format-standard","hentry","category-news","category-news-articles","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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