{"version":"1.0","provider_name":"Conservatoire du Papier et des Arts Graphiques \u2013 Moulin de la Tourne","provider_url":"https:\/\/moulindelatourne.com\/blog","author_name":"moulindelatourne","author_url":"https:\/\/moulindelatourne.com\/blog\/author\/moulindelatourne\/","title":"What is the hardness of a lead bullet?","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"1ECBmJYfSC\"><a href=\"https:\/\/moulindelatourne.com\/blog\/what-is-the-hardness-of-a-lead-bullet\/\">What is the hardness of a lead bullet?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/moulindelatourne.com\/blog\/what-is-the-hardness-of-a-lead-bullet\/embed\/#?secret=1ECBmJYfSC\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0What is the hardness of a lead bullet?\u00a0\u00bb &#8212; Conservatoire du Papier et des Arts Graphiques \u2013 Moulin de la Tourne\" data-secret=\"1ECBmJYfSC\" 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:\/\/moulindelatourne.com\/blog\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"A lead bullet&rsquo;s hardness is a crucial factor in its performance, affecting aspects such as penetration and expansion. Typically, lead bullets are made from alloys to increase their hardness, measured using the Brinell Hardness Number (BHN). Pure lead has a BHN of approximately 5, while bullet alloys often range from 10 to 22 BHN. What [&hellip;]"}