不锈钢管-不锈钢管规格订做-不锈钢管材质_不锈钢管_贵州不锈钢管厂|贵州不锈钢板|贵阳304不锈钢管|贵阳316L不锈钢管 /title> <meta name="Keywords" content="不锈钢管,不锈钢管规格订做,不锈钢管材质" /> <meta name="Description" content="贵州华冶钢联管材有限公司(贵州不锈钢管厂13985191185)主营不锈钢管价格,不锈钢管规格,不锈钢管材质,不锈钢管厂家价格优惠,欢迎前来洽谈合作。" /> <link href="/theme/gyxinqiang/css/resetcommon.css" rel="stylesheet" type="text/css" /> <link href="/theme/gyxinqiang/css/Style.css" rel="stylesheet" type="text/css" /> <script type="text/javascript" src="/theme/gyxinqiang/js/NSW_DetailsPro.js"></script> <script src="/lib/js/jquery.js"></script> <script src="/theme/gyxinqiang/js/base.js"></script> <script language="javascript">  </script> </head> <body>  <div class="t_wrap"> <div class="top"> <div class="header fixed"> <p class="fl"> 欢迎光临贵州华冶钢联钢材有限公司网站！</p> <p class="top_right fr"> <a href="javascript:void(0);" onclick="SetHome(this,'http://www.chxygg.com');" title="设为首页">设为首页</a>|<a href="javascript:void(0);" onclick="javascript:addBookmark(this)" title="加入收藏">加入收藏</a> </p> </div> </div> <div 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src="/upfile/201807/2018073133317541.jpg"/></p><p>材质不同不锈钢管有哪些区别</p><p><br/>依据成分不同，不锈钢分为201和304常用的两种型号，304不锈钢价格贵、质量好，201不锈钢价格便宜、质量差。201不锈钢锰含量较高，表面带有暗黑的亮，锰含量较高易生锈。304不锈钢铬含量较多，表面不生锈，呈现哑光。两种放在一块容易比较。201和304不锈钢耐腐蚀性有很大不同，201的耐腐蚀性能很差，价格便宜。又因为201含镍低，所以价格比304的低，于是耐腐蚀性能就不如304的了。201与304之间的区别就是含镍的问题。而且304的价格现在都比较贵，但304的话起码可以保证在使用过程中不会生锈，不易生锈是因为在不锈钢体表面形成富铬氧化物可保护钢体，201料属于高锰不锈钢较304硬度大含碳量高镍低。304组成为18Cr-8Ni，是得到最广泛应用的不锈钢、耐热钢。用于食品生产设备、昔通化工设备、核能等。201组成为17Cr-4.5Ni-6Mn-N，是节Ni钢种，301钢的替代钢。经冷加工后具有磁性，用于铁路车辆。</p><p> </p> </div> </div> <div class="cp"> <div class="cptab"> 相关产品<div class="clear"> </div></div> <div id="cntrRelevantProd"> <div id="cptab_relevant"> <dl> <dt><a target='_blank' href="/buxiugangguan/612.html" title="不锈钢管"><img src="/upfile/202002/2020022762654069.jpg" alt="不锈钢管" title="不锈钢管"/></a></dt> <dd class="t1"><a target='_blank' href="/buxiugangguan/612.html" title="不锈钢管">不锈钢管</a></dd> <dd class="d1">不锈钢管</dd> </dl> <dl> <dt><a target='_blank' href="/buxiugangban/609.html" title="不锈钢板"><img 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