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<span id="hits"><a href='http://www.mwveqc.tw/news/160.html'>http://www.mwveqc.tw/news/160.html</a></span> </div> <div class="NewsView-title-Content">    <a href="http://www.mwveqc.tw/supply/6.html" target="_blank">孝感废铁回收</a>公司介绍到白口铸铁和灰口铔R是比较常见的两种铔RQ那么白口铸铁和灰口铔R有什么不?下面孝感<a href="http://www.mwveqc.tw/fths/" target="_blank">废铁回收</a>公司为大家解{?br />     关于白口铔RQ孝感废铁回收公总l如下:<br />     外观Q白口铸铁断面呈亮白Ԍ以渗体(即碳化铁)的Ş状存在于铁中?br />     Ҏ:白口铔R又硬又脆Q不易切削加工,很少直接用于铔R机件。白口铸铁一般含量U在2.5%,其中的含量?%以下Q白口铸铁中的碳全部以渗透碳?Fe3c)形式存在Q因为白口铸铁的断口呈亮白色。故U白口铸铁?br />     用途:有些零gQ如火R轮圈、蝾辊、犁铧等Qؓ了需要较高的表面度和耐磨性,常用ȀLҎ在铸件表面获得白口铁的组l,而保留心部的灰口铁组l,所以也UCؓ“激冷铸铁”?br /> <p>     牌号Q铸造火车R轮的专用生铁Q叫冷铸车轮生铁Q牌号L08?</p> <p> <img style="max-width:100%;" src="/uploads/image/20190426/20190426091236_5468.jpg" alt="" /> </p>     关于灰口铔RQ孝感废铁回收公总l如下:<br />     外观Q灰口铸铁是zui为常见的一U铸铁,灰口铔R又叫普通铸铁,断面呈喑灰色Q碳以片状石墨Ş态存在于铁中?br />     Ҏ:灰口铔R是在熔炼q程中由于冷却速度较慢而Ş成的。但主要q是׃化学成分Q大量硅元素的存在,能促使石墨化Q所以在灰口铔R中含量较高。灰口铸铁属于较高强度的孕育铔R(也称变质铔R)Q这是普通铸铁通过孕育处理而得到的。灰口铸铁的含碳量大?.3%Q铸铁中的碳大部或全部以自由状态片状石墨存在?br />     用途:孝感废铁回收公司告诉大家灰口铔R是应用较qѝ较多的一U铸铁。具有优良的铔R性、切削加工性、耐磨性和减震性。抗压强度和度接近钢Q但抗拉强度和塑性较低,脆性较大。灰口铸铁的生工艺单,h低廉Q在机械工程中大量应用,主要用于中等负荷下的耐磨构g?br />     牌号Q孝感废铁回收公总l到灰口铔R的牌L“HT”加两组数字而成QHT代表“灰铁”,两组数字中第 一l数字指较低抗拉强度Q第二组数字指zui低抗弯强度,单位为公?qx毫米。如HT25-47即代表抗拉强?5公斤/qx毫米和抗弯强?7公斤/qx毫米的灰口铸铁?br /> <br /> <br /> <br /> </div> <div class="fanhui"></div> <div class="NewsView-title-Share"> <!-- Baidu Button BEGIN --> <div id="bdshare" class="bdshare_t bds_tools_32 get-codes-bdshare"> <a class="bds_qzone" title="分n到QQI间" href="#"></a> <a class="bds_tsina" title="分n到新微? 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