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class="right"> <div id="d0vtihn77sl" class="sitemp clearfix"> <h2> 不銹鋼加熱管好壞鑒別方法 </h2> <div id="d0vtihn77sl" class="site">您的當(dāng)前位置： <a href="http:///">首頁</a> >> <a href="http:///news/">新聞中心</a> >> <a href="http:///news/jszx30f/">技術(shù)知識</a> </div> </div> <div id="d0vtihn77sl" class="content">  <div id="d0vtihn77sl" class="news_detail"> <h1 class="title">不銹鋼加熱管好壞鑒別方法</h1> <div id="d0vtihn77sl" class="info_title clearfix"> <h3 class="title_bar"> 發(fā)布日期：<span>2019-03-02</span> 作者：<span>上海雄雷環(huán)?？萍加邢薰?/span> 點擊：<span><script src="http:///data/include/newshits.php?id=389"></script></span> </h3> <div id="d0vtihn77sl" class="share">  <div id="d0vtihn77sl" class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_qzone" data-cmd="qzone"></a> <a href="#" class="bds_tsina" data-cmd="tsina"></a> <a href="#" class="bds_tqq" data-cmd="tqq"></a> <a href="#" class="bds_renren" data-cmd="renren"></a> <a href="#" class="bds_weixin" data-cmd="weixin"></a> </div> <script> window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdPic":"","bdStyle":"0","bdSize":"16"},"share":{},"image":{"viewList":["qzone","tsina","tqq","renren","weixin"],"viewText":"分享到：","viewSize":"16"},"selectShare":{"bdContainerClass":null,"bdSelectMiniList":["qzone","tsina","tqq","renren","weixin"]}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)]; </script>  </div> </div> <div id="d0vtihn77sl" class="content"><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;"><a href='http:///product/bxgjrg8ff/' target='_blank' class='key_tag'><font color=#2086ee><strong>不銹鋼加熱管</strong></font></a>好壞鑒別方法</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">1、如何辨別不銹鋼<a href='http:///' target='_blank' class='key_tag'><font color=#2086ee><strong>加熱管</strong></font></a>的好壞：</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">不銹鋼質(zhì)量的好壞主要取決于鎳含量的不同，鎳是優(yōu)質(zhì)的耐腐蝕元素，在不銹鋼中與鉻完美配合進一步鞏固了耐腐蝕性能和耐酸堿性能，但低碳鎳鋼要獲得純奧氏體組織，含鎳量要達到24％，并且只有含鎳27％時才使鋼在某些介質(zhì)中的耐腐蝕性能顯著改變。因此對于加熱管而言爻更進安排的耐腐蝕和耐高溫可以選擇800、840、316L等材質(zhì)，800不銹鋼管含鎳量達到30%，840管含鎳量達到20%，316L不銹鋼管鎳含量10%，但如果是采用差一些的304管不銹鋼含鎳只有8%。</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">不銹鋼加熱管的優(yōu)點：耐熱性能好，耐干燒，成本也比較低，目前不銹鋼加熱管的種類比較多，各種材質(zhì)的價格差距大，同樣是不銹鋼材料，其質(zhì)量性能差別也很大。</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">因此采購加熱管用不銹鋼管需要檢測其具體元素含量，以杜絕以次充好，以高價買低質(zhì)產(chǎn)品。</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;"></span></p><p style="text-align: center;"><img src="/data/upload/image/20190117/1547706400567165.jpg" style="width: 600px; height: 400px;" width="600" height="400" border="0" vspace="0" title="不銹鋼加熱管" alt="不銹鋼加熱管"/></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">其他通用的鑒別方法：</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">除了通過這個直觀的方法之外，我們還有下列方法可以檢測它的好壞。 </span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">1、進行電氣強度測試 </span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">在冷態(tài)的電氣強度和工作溫度的電氣強度下，優(yōu)質(zhì)的產(chǎn)品應(yīng)該能夠承受50hz，一分鐘的耐壓。切斷電流5ma之后，無擊穿、閃絡(luò)現(xiàn)象。 </span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">2、進行過載實驗 </span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">在充分放熱的條件下，以1.27倍的額定功率通電1.5小時，斷電冷卻并且重復(fù)進行此炒作30次，看看加熱管有沒有發(fā)生損壞現(xiàn)象。 </span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">3、進行漏泄電流實驗 </span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">把加熱管放在充分加熱的條件下，以1.15倍的電壓進行通電，如果泄露電流小于0.5MA就是優(yōu)質(zhì)的<a href='http:///' target='_blank' class='key_tag'><font color=#2086ee><strong>電加熱管</strong></font></a>。 </span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">4、進行密封測試 </span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">這個密封測試主要是針對電加熱器的外殼進行的，將加熱管放在酸化的水中，然后將<a href='http:///' target='_blank' class='key_tag'><font color=#2086ee><strong>電熱管</strong></font></a>的兩端露出來，看看性能要求有沒有達到第1、3兩項的要求。 </span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">5、進行封口密封器測試 </span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">主要的性能要求跟第四項是一致的，只是實驗的條件是不同的，這個實驗的條件是把電加熱管放在溫度為60攝氏度、濕度為95%的環(huán)境中一天。 </span></p></div> <h3 class="tag">本文網(wǎng)址：http:///news/389.html </h3> <h3 class="tag">關(guān)鍵詞：<a href="http:///tag/%E4%B8%8D%E9%94%88%E9%92%A2%E5%8A%A0%E7%83%AD%E7%AE%A1%E4%BB%B7%E6%A0%BC">不銹鋼加熱管價格</a>,<a href="http:///tag/%E4%B8%8D%E9%94%88%E9%92%A2%E5%8A%A0%E7%83%AD%E7%AE%A1%E5%8E%82%E5%AE%B6">不銹鋼加熱管廠家</a>,<a href="http:///tag/%E4%B8%8D%E9%94%88%E9%92%A2%E5%8A%A0%E7%83%AD%E7%AE%A1%E7%94%9F%E4%BA%A7%E5%95%86">不銹鋼加熱管生產(chǎn)商</a> </h3> <div id="d0vtihn77sl" class="page">上一篇：<a href="http:///news/388.html">加熱管廠家介紹功率計算方法</a><br />下一篇：<span><a 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