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href="http://www.cdcfah.com/cp/third-jzjc_jsjc/">金屬建材</a>?淄博鍍鋅廠濟寧冠翔物資供應</p><div id="8elahbx" class="leftbox clearfix"><h1>淄博鍍鋅廠濟寧冠翔物資供應</h1><div id="ty239e2" class="proBig"><div id="ba3498k" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/jngxwz/637261075708652344/5829223.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yncol82" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/jngxwz/637261075708652344/5829223.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ptq2zg7" 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>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>淄博鍍鋅廠</p><p><span>***更新：</span>2020-05-26 22:49:09</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="gfm3fmo" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">濟寧冠翔物資有限公司</a></p><p><span>聯(lián)系人：</span>解經(jīng)理</p><p><span>郵箱: </span>164159340@qq.com</p><p><span>電話: </span>13515377155</p><p><span>傳真: </span>0537_2798898</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0537-2798898</p><p><span>地址: </span>任李營街道辦事處薛口建材市場濟鋼路15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="p3xzbqm" class="page-proshow02"><p class="title">詳細說明</p><div id="isuo2ve" class="box"><p><p> 性能影響 </p> <p> 碳；含碳量越高，鋼的硬度就越高，但是它的可塑性和韌性就越差． </p> <p> 硫；是鋼中的有害雜物，含硫較高的鋼在高溫進行壓力加工時，容易脆裂，通常叫作熱脆性． </p> <p> 磷；能使鋼的可塑性及韌性明顯下降，淄博鍍鋅廠，特別的在低溫下更為嚴重，這種現(xiàn)象叫作冷脆性．在質量鋼中，硫和磷要嚴格控制．但從另方面看，在低碳鋼中含有較高的硫和磷，能使其切削易斷，對改善鋼的可切削性是有利的． </p> <p> 錳；能提高鋼的強度，能消弱和消除硫的不良影響，并能提高鋼的淬透性，含錳量很高的高合金鋼（高錳鋼）具有良好的耐磨性和其它的物理性能． </p> <p> <span style="display:none;"></span>硅；它可以提高鋼的硬度，但是可塑性和韌性下降，電工用的鋼中含有一定量的硅，淄博鍍鋅廠，能改善軟磁性能． </p> <p> 鎢；能提高鋼的紅硬性和熱強性，并能提高鋼的耐磨性． </p> <p> <span style="display:none;"></span>鉻；能提高鋼的淬透性和耐磨性，能改善鋼的抗腐蝕能力和抗氧化作用． </p> <p> 為提高的耐腐蝕性能，對一般鋼管（黑管）進行鍍鋅。鍍鋅鋼管分熱鍍鋅和電鋼鋅兩種，淄博鍍鋅廠，熱鍍鋅鍍鋅層厚，電鍍鋅成本低，所以有了鍍鋅鋼管。<span style="display:none;"></span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博鍍鋅廠" src="https://tyunfile.71360.com/WaterMark/UploadFile/jngxwz/637261075708652344/5829223.png"></div><p> 影響因素 </p> <p> 在實際生產(chǎn)過程中，影響鍍鋅速度及質量的常見因素有： </p> <p> (1)前處理不徹底。工件表面有氧化膜，影響鋅的正常沉積。 </p> <p> (2)導電不良。電流在導線上消耗，分配到工件表面的電流過小。 </p> <p> (3)工件含碳量高。高碳鋼、鑄鐵件等會降低氫的析出電位，工件表面析氫加速，電流效率降低。 </p> <p> (4)工件綁扎過密。鍍鋅時工件局部遭到屏蔽而導致鍍層過薄。 </p> <p> (5)鍍液溫度偏低。當鍍液溫度偏低時配送的電流密度相應降低，鍍層的沉積速度也必然降低。 </p> <p> (6)鍍液中氫氧化鈉含量偏高。氫氧化鈉含量偏高時電流效率相應降低。 </p> <p> (7)鍍液中添加劑含量偏低。添加劑含量偏低會影響分散能力，鍍層局部顯得過薄。 </p> <p> (8)受鍍件面積估算不足，施鍍時配送的電流密度顯得過小。 </p> <p> (9)工件懸掛方法不當，與鋅陽極間距過大，應調(diào)整位置。 </p> <p> (10)工件過腐蝕。降低氫的析出電位，工件表面析氫加速電流效率降低，從而影響鋅的沉積速度。應在酸洗溶液中加入適量的緩蝕劑，局部處氧化皮過厚先用機械法除去，酸洗過程中多作檢查。 </p> <p> (11)陽極鈍化。有效面積減少，影響電流的正常分布。 </p> <p> (12)氫氧化鈉含量偏低。若氫氧化鈉含量偏低時，電流密度提不高，陽極鈍化。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博鍍鋅廠" src="https://tyunfile.71360.com/WaterMark/UploadFile/jngxwz/637261075996572266/3517967.png"></div><p> 線內(nèi)退火 </p> <p> 就是由冷軋或熱軋車間直接提供帶卷作為熱鍍鋅的原板，在熱鍍鋅作業(yè)線內(nèi)進***體保護再結晶退火。屬于這個類行業(yè)的熱鍍鋅方法包括：森吉米爾法、改良森吉米爾法、美鋼聯(lián)法（同日本川崎法）；賽拉斯法；莎倫法。 </p> <p> 森吉米爾法 </p> <p> 它是把退火工藝和熱鍍鋅工藝聯(lián)合起來，其線內(nèi)退火主要包括氧化爐，還原爐兩部份組成。帶鋼在氧化爐中煤氣火焰直接加熱到450度左右，把帶鋼表面殘存的軋制油燒掉，凈化表面。后再把帶鋼加熱到700-800度完成再結晶退火，經(jīng)冷卻段控制進鋅鍋前溫度在480度左右，***在不接觸空氣的情況下進入鋅鍋鍍鋅，因此，森吉米爾法產(chǎn)量高、鍍鋅質量較好，此法曾得到廣泛應用。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博鍍鋅廠" src="https://tyunfile.71360.com/WaterMark/UploadFile/jngxwz/637261076129990235/6210017.png"></div></p><br /><p>文章來源地址: 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