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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yjkc/">冶金礦產(chǎn)</a>?<a href="http://www.cdcfah.com/cp/second-yjkc_gangcai/">鋼材</a>?<a href="http://www.cdcfah.com/cp/third-gangcai_xingcai/">型材</a>?昆明Q345B鍍鋅方管廠家報(bào)價(jià) 客戶至上云南貿(mào)軒商貿(mào)供應(yīng)</p><div id="drizl2g" class="leftbox clearfix"><h1>昆明Q345B鍍鋅方管廠家報(bào)價(jià) 客戶至上云南貿(mào)軒商貿(mào)供應(yīng)</h1><div id="vtubxou" class="proBig"><div id="eduw2qh" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121509238281/5004274.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="u7chn3r" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121509238281/5004274.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="flwnevm" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>昆明Q345B鍍鋅方管廠家報(bào)價(jià)</p><p><span>***更新：</span>2020-06-19 19:19:14</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hqryear" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">云南貿(mào)軒商貿(mào)有限公司</a></p><p><span>聯(lián)系人：</span>謝經(jīng)理</p><p><span>郵箱: </span>1339843057@qq.com</p><p><span>電話: </span>13888426708</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://www.maoxuan666.com</p><p><span>手機(jī): </span>138-88426708</p><p><span>地址: </span>云南省昆明經(jīng)開區(qū)宏錫路4-1-2號鐵公雞物流園二號寫字樓408號</p><p>[當(dāng)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="89llhdp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="b3cjama" class="box"><p><p> 熱鍍鋅層對鍍鋅鋼管有防腐作用。 </p> <p> 鍍鋅鋼管防腐鋅比鐵有還負(fù)的電極電位，當(dāng)鋅和鐵構(gòu)成微電池時(shí)，鋅為陽極，鐵為陰極，昆明Q345B鍍鋅方管廠家報(bào)價(jià)，在遭到腐蝕時(shí)，鋅溶解而鐵不受危害。鍍鋅層有小的裂紋或損壞時(shí)，鋅將以獻(xiàn)身陽極的形式以免繼續(xù)裂紋或損壞處的鋼鐵生銹，這是鍍鋅層比其他涂鍍層不錯(cuò)的主要特點(diǎn)。熱鍍鋅鋼管浸鍍鋅時(shí)，鋅鐵合金層與鋼鐵基體、鋅層之間均為冶金結(jié)合，比漆類與鋼鐵的結(jié)合還結(jié)實(shí)，昆明Q345B鍍鋅方管廠家報(bào)價(jià)。 </p> <p> 鍍鋅鋼管防腐鋅層對鋼鐵有屏蔽保護(hù)作用。鋅在大氣或其它環(huán)境下在鋼鐵基體外表形成屏蔽層。鋅的腐蝕過程增加了其形成屏蔽層的能力，這是因?yàn)殇\和空氣中的氧，昆明Q345B鍍鋅方管廠家報(bào)價(jià)、二氧化碳、潮氣等反應(yīng)，生成一種抗腐蝕副產(chǎn)物堿式碳酸鋅膜。 </p> <p> 介于基體與純鋅層之間的鋅鐵合金層含鋅在90%，對鋼有與鋅近似的電化學(xué)保護(hù)作用;鍍層越厚，經(jīng)用年限也越長，經(jīng)用年限與厚度基本成正比。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明Q345B鍍鋅方管廠家報(bào)價(jià)" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121509238281/5004274.jpg"></div><p> 鍍鋅方管的特性美觀更多樣化鍍鋅方管的特性 </p> <p> 1．一般特性表面美觀以及使用可能性多樣化耐腐蝕性能好，比普通鋼長久耐用；耐腐蝕性好，強(qiáng)度高，因而薄板使用的可能性大；耐高溫氧化及強(qiáng)度高，因此能夠抗火災(zāi)，常溫加工，即容易塑性加工，因?yàn)椴槐乇砻嫣幚?，所以簡便、維護(hù)簡單、清潔，光潔度高，焊接性能好所以，在加熱時(shí)，爐內(nèi)各部位的氣氛必須相同。為此，也必須考慮氣氛的循環(huán)。 </p> <p> 還有，構(gòu)成加熱工件所用臺架的磚、石棉等，如果含有水分，在加熱時(shí)，水分就要蒸發(fā)，直接接觸水蒸氣的部分與其他部分的氣氛就會產(chǎn)生差異，氧化皮的形成當(dāng)然也就不同。因此，與加熱工件直接接觸的物體，必須經(jīng)過充分烘干才能使用。但是，烘干后如在常溫下放置，在濕度高的情況下，水分仍會凝聚在工件表面上。所以，比較好是在使用前烘干。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明Q345B鍍鋅方管廠家報(bào)價(jià)" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121507578125/6847046.jpg"></div><p> <br /> </p> <p> 鍍鋅方管的熱浸法生產(chǎn)工藝流程分享： </p> <p> 鍍鋅方管的熱浸法即把成卷的鋼板，連續(xù)浸在熔解有鋅的鍍槽中制成鍍鋅方管； </p> <p> 合金化鍍鋅鍍鋅方管熱浸法制造，但在出槽后，立即把它加熱到500℃左右，使其生成鋅和鐵的合金薄膜。這種鍍鋅具有良好的涂料的密著性和焊接性； </p> <p> 電鍍鋅方管電鍍法制造這種鍍鋅具有良好的加工性。但鍍層較薄，耐腐蝕性不如熱浸法鍍鋅； </p> <p> 單面鍍和雙面差鍍鋅。單面鍍鋅，即只在一面鍍鋅的產(chǎn)品。在焊接、涂裝、防銹處理、加工等方面，具有比雙面熱鍍鋅方管更好的適應(yīng)性。 </p> <p> <br /> </p></p><br /><p>文章來源地址: 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