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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p>锻造钢球按工艺可细分为轧制钢球和锻打钢球，虽然锻球和轧球在工艺上有所不同，但材质是相同的，都是用圆钢来进行生产，锻造钢球常用的材质主要有：45#钢�?0mn�?5mn�?0Cr、B2，少量小作坊钢球厂仍在使�?0mn�?0mn的圆钢来生产，因产品硬度高低，已不适用于球磨机选矿作业、�br/>下面介绍下济南厚德耐磨材料常规钢球产品;45#锻球�?0mn锻球、B2材质锻球在化学成分，产品性能方面的对比，以便于客户在选择中能够区分，选择适合自己矿石和磨机的钢球、�br/>以下是选矿常用钢球材质９�br/>65mn锻造钢球由�?5#材质�?0mn材质钢球�?5mn钢球c含量�?.6-0.7左右，锰含量相对提高�?.9-1.2个含量，属高碳高锰钢，耐磨性能更优良、�br/><br/> 由化学成分可以清楚地看到，碳含量在提高，这就相应的提高了钢球的硬度和耐磨性能，保证了圆钢淬透性能，淬透性更好的圆钢则保证钢球内外硬度的一致性，以此在选矿磨矿作业中，甚至在半自磨机中保证钢球对矿石进行有力的点对点冲击，保证钢球不破碎、不失圆，更好的进行磨矿作用、�br/>一．生产工艹�br/>定制原材料（莱钢圆钢�?加热-成球-热处理（水温保持常态）-回火处理（高温回火处理，并保证钢球硬度的均匀，内外硬度的无差别性）-检测合格（每班次的抽检打压硬度和落球的跌落试验�?-包装（吨�?铁通）-入库；注�?5#钢材质的钢球不需要经过回火处理、�br/>二．锻造钢球一般技术标准：<br/>1. 锻球的直徃� Φ20mm-Φ150mm<br/>2. 硬度: HRC60-HRC65 ；心部硬�?8-63，体积硬度大�?0�?br/>3. 冲击韧性：(12-35)J/cm2：�br/>4. 破碎率：小于1%：�br/>5. 失圆率：自始至终无变形，不失圆；</p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; 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