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<p>电话Q?851-87975077</p> <p>手机Q?5519586799</p> <p>|址Q?a href="http://www.jmyczx.com">www.jmyczx.com</a></p> <p>地址Q贵州贵阳金关钢材市场B?9?br>我公司自备大型仓?金关仓库H?3-35?</p> </div> </div> <div class="left_b"></div> </td> <td valign="top" id="iright"> <div class="place"><h1>新闻详细<span>/</span></h1></div> <div class="container"> <div class="content"> <h3>槽钢的质量要如何判断</h3> <h6>发布旉Q?022-11-14</h6> <div class="container2" id="zoom"><p><p> <span style="line-height:1.5;font-family:SimSun;font-size:16px;">  <a href="/cg/" target="_blank">槽钢</a>对于质量要怎么判断Q下面宏锦川物资公司带大家共同了解一下槽钢的质量要如何判断!</span> </p> <p> <span style="line-height:1.5;font-family:SimSun;font-size:16px;">  1、槽钢质量差Q杂质多Q密度小Q尺寸差大。在没有游标卡尺的情况下Q可以进行称量核寏V?/span> </p> <p> <span style="line-height:1.5;font-family:SimSun;font-size:16px;">  2、不良槽钢无金属光泽Q不良材料蝾制温度不标准Q无法按规定的奥氏体Ӟ槽钢性能自然达不到标准。槽钢成分均匀Q冷剪吨位高Q切割头端面光滑整齐Q抗差槽钢材质差Q切割头端面通常凹凸不^钝?/span> </p> <p> <span style="line-height:1.5;font-family:SimSun;font-size:16px;">  3、不良槽钢截面ؓ椭圆形。ؓ了节省材料,一些厂家不得不减少成品辊前两道ơ的压下量,q不仅会降低C钢材的强度,而且达不到外形尺寸的标准。槽钢在钢表面有一层厚而致密的U锌涂层Q可避免钢基体与M腐蚀溶液的接触,保护钢基体不受腐蚀。在一般大气中Q锌层表面Ş成一层薄而致密的氧化锌层Q难以溶于水Q对保护钢基体vC定的作用。如果氧化锌{组分在大气中Ş成不溶性锌盐,防腐效果较好?/span> </p> <p> <span style="line-height:1.5;font-family:SimSun;font-size:16px;">  4、槽钢的耐蚀性主要取决于镀锌层的厚度,因此厚度的测量往往是决定镀锌钢质量的基。测量附着力的Ҏ有很多,如破坏性金相观察法、酸z法、非破坏性膜厚测量法、电化学法、进物重量差估计法等Q常用的Ҏ有膜厚测量法q有酸洗。薄膜测厚AQ涂层测厚AQ是利用感应法量锌层厚度常用、方便的Ҏ。其基本条g是钢的表面需要光滑完_才能得到更准的囑Ş。因此,不太可能在钢角或_糙的、有角度的钢零g或铸件处有准的~号。如果普通铁件所用的生铁材料为零母材Q则可以得到相当准确的数字,怚g不准?/span> </p> <p> <span style="line-height:1.5;font-family:SimSun;font-size:16px;">  5、槽钢表面质量差易划伤,q是׃生讑֤单,钢材表面有毛刺等划伤Q而深度划伤会降低槽钢的强度?/span> </p> <p> <span style="line-height:1.5;font-family:SimSun;font-size:16px;">  6、很多h常有错误的想法,Z方便量坚固性,他们取两块槽钢,用边角相互敲击,观察边角剥落情况。如果角落里只有几颗厚厚的锌颗粒。如果在操作中处理不好,如果用力敲击Q粗锌颗_会被剥落。因此,该方法不能用于测定正帔R锌层和铁基的紧密性?/span> </p></p></div> <p><div>上一?<a href="281.html">矿工钢用时要注意哪些事?/a></div> <div>下一?<a href="279.html">钢结构徏{中焊接H型钢有哪些优?/a></div> </p> <div class="tag">相关标签Q?/div> </div> <div class="commentdetail"> <div class="title02"> <table border="0" cellpadding="0" cellspacing="0"> <tr> <td valign="top"><h1><span>相关新闻</span></h1></td> </tr> </table> </div> <div class="comment_list"> <ul> <li><a href="/news/284.html">槽钢使用时要如何固定</a></li> <li><a href="/news/283.html">槽钢的好坏要如何辨别</a></li> <li><a href="/news/282.html">如何避免购买到劣质槽?/a></li> <li><a href="/news/281.html">矿工钢用时要注意哪些事?/a></li> </ul> </div> <div class="title02"> <table border="0" cellpadding="0" cellspacing="0"> <tr> <td valign="top"><h1><span>相关产品</span></h1></td> </tr> </table> </div> <div class="c_product_b"> <div> <h2><a href="/supply/141.html"><img src="http://cmsimgshow.zhuchao.cc/18564/201803281453484471856418272.jpg?path=www.jmyczx.com/uploads/cp/201803281453484471856418272.jpg" alt="贵州镀锌角? 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