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class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/whhqtdx/637321604176855469/8804178.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="d7i2fsk" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>武漢熱鍍鋅工藝,鋅</p><p><span>***更新：</span>2021-02-01 00:23:56</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="mgda3du" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">武漢市紅旗鐵塔鍍鋅有限公司</a></p><p><span>聯(lián)系人：</span>葉經(jīng)理</p><p><span>郵箱: </span>whhqttdx@163.com</p><p><span>電話: </span>15802742519</p><p><span>傳真: </span>027_82942760</p><p><span>網(wǎng)址: </span>http://www.hqttdx.com.cn</p><p><span>手機: </span>027-82942760</p><p><span>地址: </span>諶家磯平安鋪村9號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="fzgdvmj" class="page-proshow02"><p class="title">詳細說明</p><div id="tiace77" class="box"><p><p> <span style="font-size:16px;">鍍鉻、鍍鎳和鍍鋅到底有什么區(qū)別？</span> </p> <p> <span style="font-size:16px;">電鍍就是利用電解原理在某些金屬表面上鍍上一薄層其它金屬或合金的過程，是利用電解作用使金屬或其它材料制件的表面附著一層金屬膜的工藝從而起到防止金屬氧化（如銹蝕），提高耐磨性、導電性、反光性、抗腐蝕性（硫酸銅等）及增進美觀等作用。</span><span style="font-size:16px;"></span> </p> <p> <p> <span style="font-size:16px;">01-鍍鋅</span> </p> <p> <span style="font-size:16px;">▼</span> </p> <p> <span style="font-size:16px;">定義：鍍鋅是指在金屬、合金或者其它材料的表面鍍一層鋅以起美觀、防銹等作用的表面處理技術。</span> </p> <p> <span style="font-size:16px;">特點：成本低，防腐蝕一般，顏色為銀白色。</span> </p> <p> <span style="font-size:16px;">應用：螺絲釘、斷路器、工業(yè)用品等。</span> </p> <p> <p> <span style="font-size:16px;">02-鍍鎳</span> </p> <p> <span style="font-size:16px;">▼</span> </p> <p> <span style="font-size:16px;">定義：通過電解或化學方法在金屬或某些非金屬上鍍上一層鎳的方法，稱為鍍鎳。</span> </p> <p> <span style="font-size:16px;">特點：美觀，可以做裝飾，價格高，工藝略復雜，顏色為銀白顯黃色。</span> </p> <p> <span style="font-size:16px;">應用：節(jié)能燈燈頭、硬幣，武漢熱鍍鋅工藝，五金件等。</span> </p> <p> <p> <span style="font-size:16px;">03-鍍鉻</span> </p> <p> <span style="font-size:16px;">▼</span> </p> <p> <br /> </p> <p> <span style="font-size:16px;">定義：鉻是一種微帶藍色的亮白色金屬，通過電解或化學方法在金屬或某些非金屬上鍍上一層鉻的方法，稱為鍍鉻。</span> </p> <p> <span style="font-size:16px;">特點：鍍鉻有兩種，第一種是起裝飾作用，武漢熱鍍鋅工藝，外表光亮、耐磨擦性能較好，防銹能力不如鍍鋅，武漢熱鍍鋅工藝，優(yōu)于氧化；第二種是增加金屬零件的硬度、耐磨性等，這是零件的功能性。</span> </p> <p> <span style="font-size:16px;">應用：家電、電子等產(chǎn)品上的的光亮裝飾件，工具，水龍頭等。</span> </p> <span style="font-size:16px;"></span> </p> <p> <br /> </p> <span style="font-size:16px;"></span> </p> <span style="font-size:16px;"></span> 武漢鍍鋅廠家，紅旗鐵塔鍍鋅有限公司歡迎咨詢。武漢熱鍍鋅工藝</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢熱鍍鋅工藝,鋅" src="https://tyunfile.71360.com/WaterMark/UploadFile/whhqtdx/637321604176855469/8804178.png"></div><p> <span style="font-size:16px;">鍍鋅鋼一般是在低碳鋼外鍍一層鋅，鍍鋅層一般在20um厚。鋅的熔點在419°C，沸點908°C左右。在焊接中，鋅熔化成液體浮在熔池表面或在焊縫根部位置。鋅在鐵中具有較大固溶度，鋅液體會沿晶界深入浸蝕焊縫金屬，低熔點鋅形成“液體金屬脆化”。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">同時，鋅與鐵可形成金屬間脆性化合物，這些脆性相使焊縫金屬塑性降低，在拉應力作用下而產(chǎn)生裂紋。如果焊接角焊縫，尤其是T形接頭的角焊縫容易產(chǎn)生穿透裂紋。鍍鋅鋼焊接時，坡口表面及邊緣處的鋅層，在電弧熱作用下，產(chǎn)生氧化、熔化、蒸發(fā)以至揮發(fā)出白色煙塵和蒸汽，極易引起焊縫氣孔。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">由于氧化而形成的ZnO，其熔點較高，約1800°C以上，若在焊接過程中參數(shù)偏小，將引起ZnO夾渣，同時。由于Zn成為脫氧劑。產(chǎn)生FeO-MnO或FeO-MnO-SiO2低熔點氧化物夾渣。其次，由于鋅的蒸發(fā)，揮發(fā)出大量的白色煙塵，對人體有刺激、傷害作用，因此，必須把焊接處的鍍鋅層打磨處理掉。</span> 武漢鍍鋅加工哪家好熱鍍鋅價格，武漢紅旗鐵塔鍍鋅有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢熱鍍鋅工藝,鋅" src="https://tyunfile.71360.com/WaterMark/UploadFile/whhqtdx/637321603663349609/6483316.png"></div><p> <span style="font-size:16px;">鍍鋅鋼的鍍鋅焊前準備與一般的低碳鋼是相同的，需要注意的是要認真處理好坡口尺寸和附近的鍍鋅層。為了焊透，坡口尺寸要適當，一般60~65°，要留有一定的間隙，一般為1.5~2.5mm;為了減少鋅對焊縫的滲透，在焊之前，可將坡口內的鍍鋅層以后再焊。在實際監(jiān)理工作中，采用了集中打坡口，不留鈍邊工藝進行集中控制，兩層焊接工藝，減少了未焊透的可能性。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">焊條應根據(jù)鍍鋅管的基體材質選用，一般低碳鋼由于考慮易操作性，選用J422較為普遍。。。</span> </p><p> <span style="font-size:16px;">熱鍍鋅覆蓋能力好</span> </p> <p> <p> <span style="font-size:16px;">熱鍍鋅加工廠原理及工藝說明</span> </p> <p> <span style="font-size:16px;">1 熱鍍鋅也稱熱浸鍍鋅，是鋼鐵構件浸入熔融的鋅液中獲得金屬覆蓋層的一種方法。近年來隨高壓輸電、交通、通訊事業(yè)迅速發(fā)展，對鋼鐵件防護要求越來越高，熱鍍鋅需求量也不斷增加。</span> </p> <p> <span style="font-size:16px;">2 熱鍍鋅層防護性能</span> </p> <p> <span style="font-size:16px;">通常電鍍鋅層厚度5～15μm，而熱鍍鋅層一般在35μm以上，甚至高達200μm。熱鍍鋅覆蓋能力好，鍍層致密，無有機物夾雜。眾所周知，鋅的抗大氣腐蝕的機理有機械保護及電化學保護，在大氣腐蝕條件下鋅層表面有ZnO、Zn(OH)2及堿式碳酸鋅保護膜，一定程度上減緩鋅的腐蝕，這層保護膜(也稱白銹)受到破壞又會形成新的膜層。當鋅層破壞嚴重，危及到鐵基體時，鋅對基體產(chǎn)生電化學保護，鋅的標準電位-0.76V，鐵的標準電位-0.44V，鋅與鐵形成微電池時鋅作為陽極被溶解，鐵作為陰極受到保護。顯然熱鍍鋅對基體金屬鐵的抗大氣腐蝕能力優(yōu)于電鍍鋅。 3 熱鍍鋅層形成過程</span> </p> <p> <br /> </p> <span style="font-size:16px;"></span> 湖北熱鍍鋅加工，紅旗鐵塔鍍鋅有限公司歡迎咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢熱鍍鋅工藝,鋅" src="https://tyunfile.71360.com/WaterMark/UploadFile/whhqtdx/637321603926201172/4991276.png"></div><p> <br /> </p> <p> <p> <span style="font-size:16px;">熱鍍鋅和冷鍍鋅的區(qū)別</span> </p> <p> <span style="font-size:16px;">1、工藝區(qū)別</span> </p> <p> <span style="font-size:16px;">熱鍍鋅是將工件除油、酸洗、浸藥、烘干后浸入溶化的鋅液里一定時間，提出來即可。熱鍍鋅是化學處理，屬于電化學反應。</span> </p> <p> <span style="font-size:16px;">冷鍍鋅是物理處理，只是在表面刷一層鋅，所以鋅層易脫落。建筑施工中多采用熱鍍鋅。</span> </p> <p> <span style="font-size:16px;">2、防腐能力</span> </p> <p> <span style="font-size:16px;">熱鍍鋅是鋼體在熱浸的條件下對表面鍍鋅，它的附著力很強，不容易脫落，熱鍍鋅管雖然也出現(xiàn)銹蝕的現(xiàn)象，但在很長的周期可以滿足技術、衛(wèi)生要求。</span> </p> <p> <span style="font-size:16px;">冷鍍鋅就是電鍍鋅，只有10－50g/m2，其本身的耐腐蝕性比熱浸鍍鋅相差很多。采用電鍍鋅的價格相對便宜一些。</span> </p> <p> <span style="font-size:16px;">3、用途</span> </p> <p> <span style="font-size:16px;">熱鍍鋅外表沒有冷鍍鋅細膩光亮，但鋅層厚度方面熱鍍鋅是冷鍍鋅的幾十倍。防腐蝕性能也是電鍍鋅的幾十倍。熱鍍鋅的鍍層較厚，一般為30-60微米，鍍層防腐能力較高。適合于戶外工作的鋼鐵制件，如高速公路圍欄、電力鐵塔、大尺寸緊固件等較為“粗糙”的工件的長期防銹。較早的鐵質自來水管也是熱鍍鋅的。</span> </p> <p> <span style="font-size:16px;">冷鍍鋅工件表面光滑平整，但是因為鍍層比較薄，一般在5-30微米以內，所以防腐蝕的時間會比較短。都用在室內使用制件的防銹，如機殼底、面板，小尺寸緊固件等。</span> </p> <span style="font-size:16px;"></span> 湖北熱鍍鋅，紅旗鐵塔鍍鋅有限公司歡迎來電咨詢。武漢鍍鋅加工哪家好</p><p style="text-indent:25px">湖北熱鍍鋅加工，紅旗鐵塔鍍鋅有限公司歡迎來電咨詢。武漢熱鍍鋅工藝</p><p> <span style="font-size:16px;">熱鍍鋅加工工藝是目前工業(yè)上應用的工藝，處理之后的鋼材用途，熱鍍鋅加工廠普遍使用在工業(yè)和國民經(jīng)濟的各個部門。適用范圍主要集中在家電，汽車和建筑中，在各個方面具有良好的性能。</span> </p> <p> <span style="font-size:16px;">經(jīng)過熱鍍鋅加工之后的鋼板在使用的過程中需要加工成型，所以在力學性能方面，除了具有一定的強度之外還具有很好的深沖性能，目前工業(yè)上基本使用降低鋼帶的運行速度，使輕度深沖加工的產(chǎn)品在還原爐內的停留時間得到延長。</span> </p> <p> <span style="font-size:16px;">鋼板在經(jīng)過熱鍍鋅加工之后還具有良好的耐腐蝕性，特別是耐大氣腐蝕性。通過簡單的化學知識我們可以了解到，鋅的電位比鐵低，因此在電解液中，鋅層會發(fā)生溶解從而將鋼基體保護，使其不被腐蝕，從而起到了保護作用，同時，鋅層通過自身的腐蝕物也可以保護鋅層。</span> </p> <p> <br /> 武漢熱鍍鋅工藝</p><p style="text-indent:25px">武漢市紅旗鐵塔鍍鋅有限公司致力于機械及行業(yè)設備，是一家生產(chǎn)型公司。公司自成立以來，以質量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下武漢熱鍍鋅，湖北熱浸鍍鋅加工，湖北熱鍍鋅加工，武漢鍍鋅廠家深受客戶的喜愛。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于機械及行業(yè)設備行業(yè)的發(fā)展。武漢紅旗鐵塔秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3098442.html</p></div></div></div></div></div><div id="mlnacjv" class="page-right twoColRt"><div id="uewyvce" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="78xg2l8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="lp83yvc" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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