{"version":"1.0","provider_name":"Officine di lavorazione CNC","provider_url":"https:\/\/www.cncmachiningshops.com\/it","author_name":"cncmachiningshops","author_url":"https:\/\/www.cncmachiningshops.com\/it\/author\/cncmachiningshops\/","title":"Material Hardness: Rockwell, Brinell, Vickers & Mohs Comparison Guide","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"f2IQOXm2Wu\"><a href=\"https:\/\/www.cncmachiningshops.com\/it\/material-hardness\/\">Durezza dei materiali: Guida al confronto tra Rockwell, Brinell, Vickers e Mohs<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.cncmachiningshops.com\/it\/material-hardness\/embed\/#?secret=f2IQOXm2Wu\" width=\"600\" height=\"338\" title=\"&#8220;Material Hardness: Rockwell, Brinell, Vickers &#038; Mohs Comparison Guide&#8221; &#8212; CNC Machining Shops\" data-secret=\"f2IQOXm2Wu\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.cncmachiningshops.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/www.cncmachiningshops.com\/wp-content\/uploads\/2026\/05\/Material-Hardness-800x600-1.jpg","thumbnail_width":600,"thumbnail_height":450,"description":"Compare material hardness testing methods \u2014 Rockwell for production metals, Brinell for castings, Vickers for precision coatings. Learn how hardness affects CNC machining, wear resistance, heat treatment, and material selection with hardness chart and engineering guidelines."}