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tcPro"><section class="home-main container clearfix"><div id="wnuwt4o" class="twoCol"><div id="j3jgvtd" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a 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>?昆明質(zhì)量鍍鋅方管多少錢一噸推薦咨詢云南貿(mào)軒商貿(mào)供應(yīng)</p><div id="8qnfhgn" class="leftbox clearfix"><h1>昆明質(zhì)量鍍鋅方管多少錢一噸推薦咨詢云南貿(mào)軒商貿(mào)供應(yīng)</h1><div id="eqxzbiz" class="proBig"><div id="zjqnkby" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121506669922/9438399.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rgda7wd" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121506669922/9438399.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uyvspb3" 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>昆明質(zhì)量鍍鋅方管多少錢一噸</p><p><span>***更新：</span>2020-05-27 03:24:54</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="fyv8qbo" 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(kāi)區(qū)宏錫路4-1-2號(hào)鐵公雞物流園二號(hào)寫字樓408號(hào)</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="8q7fgn7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8ei9ls8" class="box"><p><p> 熱鍍鋅鋼管和不銹鋼管顏色上是怎么區(qū)分？ </p> <p> 熱鍍鋅鋼管和不銹鋼管通過(guò)顏色是無(wú)法區(qū)別的 </p> <p> 鍍鋅鋼管分為冷鍍鋅鋼管、熱鍍鋅鋼管，冷鍍鋅鋼管已被禁用，昆明質(zhì)量鍍鋅方管多少錢一噸，后者還被國(guó)家提倡暫時(shí)能使用。六七十年代，國(guó)際上發(fā)達(dá)國(guó)家開(kāi)始開(kāi)發(fā)新型管材，并陸續(xù)禁用鍍鋅管。 </p> <p> 鋼管類從材質(zhì)上一般分為不銹鋼管、焊接鋼管、螺旋鋼管、低合金鋼管等，昆明質(zhì)量鍍鋅方管多少錢一噸。而鍍鋅鋼管是焊接鋼管的一種，其實(shí)質(zhì)是在焊接鋼管內(nèi)外表面熱鍍的鍍鋅層。 </p> <p> 熱鍍鋅鋼管和不銹鋼管通過(guò)顏色是無(wú)法區(qū)別的 </p> <p> 不銹鋼鋼管是一種中空的長(zhǎng)條圓形鋼材，昆明質(zhì)量鍍鋅方管多少錢一噸，主要普遍用于石油、化工、醫(yī)療、食品、輕工、機(jī)械儀表等工業(yè)輸送管道以及機(jī)械結(jié)構(gòu)部件等。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明質(zhì)量鍍鋅方管多少錢一噸" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121506669922/9438399.jpg"></div><p style="text-indent:25px"><p>熱鍍鋅方管與冷鍍鋅的不同用途熱鍍鋅方管：是在使用鋼板或者是鋼帶卷曲成型后焊接制成的方管，并在這種方管的基礎(chǔ)上將方管置于熱鍍鋅池中經(jīng)過(guò)一系列化學(xué)反應(yīng)后又形成的一種方管。熱鍍鋅方管的生產(chǎn)工藝較為簡(jiǎn)單，且生產(chǎn)效率是很高的，品種規(guī)格也多，這種方管所需要的設(shè)備和資金很少，適合小型鍍鋅方管廠家的生產(chǎn)。但是從強(qiáng)度上來(lái)說(shuō)這種鋼管的強(qiáng)度是遠(yuǎn)遠(yuǎn)低于無(wú)縫方管的。<p>冷鍍鋅方管：而冷鍍鋅方管是在所用的方管上利用冷鍍鋅的原理來(lái)使方管具有防腐蝕的性能。與熱鍍鋅不同冷鍍鋅涂料主要通過(guò)電化學(xué)原理來(lái)進(jìn)行防腐，因此必須保證鋅粉與鋼材的充分接觸，產(chǎn)生電極電位差，所以鋼材表面處理很重要。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明質(zhì)量鍍鋅方管多少錢一噸" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121504628906/9208929.jpg"></div><p> 1mm厚的鍍鋅方管用多大的電流焊接焊接電流120-140a之間。通常用φ3.2的焊條，焊接電流宜偏小，焊接頭嚴(yán)格防腐。在鍍鋅鋼板點(diǎn)焊過(guò)程中，由于焊接規(guī)范不合理，會(huì)使接頭中殘留部分鋅及鋅鐵合金在熔核結(jié)晶過(guò)程中，可能會(huì)形成細(xì)小裂紋或氣孔，殘留鋅較多時(shí)還會(huì)形成軟化組織。 </p> <p> 鍍鋅方管是橫截面為方形，外表鍍鋅的長(zhǎng)形管材，可分為冷鍍鋅方管、熱鍍鋅方管與鍍鋅帶方管。方管的運(yùn)用壽命是沒(méi)有詳細(xì)的運(yùn)用年限的，都是依據(jù)運(yùn)用環(huán)境與生產(chǎn)工藝改變的。而鍍鋅方管的鍍鋅層是常用的防腐防銹措施，能夠有用增長(zhǎng)運(yùn)用壽命，尤其是熱鍍鋅方管能夠做到無(wú)死角對(duì)方管進(jìn)行防護(hù)，防腐防銹作用也會(huì)好許多。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明質(zhì)量鍍鋅方管多少錢一噸" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121506064453/143531.jpg"></div></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/51658.html</p></div></div></div></div></div><div id="n3btgsp" class="page-right twoColRt"><div id="27gtlt8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bvsmjax" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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