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"index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="sri5mde" class="twoCol"><div id="3eajef3" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</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Q355B鍍鋅方管批發(fā) 歡迎咨詢云南貿(mào)軒商貿(mào)供應</p><div id="jxvjzb8" class="leftbox clearfix"><h1>昆明Q355B鍍鋅方管批發(fā) 歡迎咨詢云南貿(mào)軒商貿(mào)供應</h1><div id="sgct3vt" class="proBig"><div id="vearvbp" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/3/636915855259791374_ynmaoxuan_6506553.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7b3jaws" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/3/636915855259791374_ynmaoxuan_6506553.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="e3j2wd3" 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>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>昆明Q355B鍍鋅方管批發(fā)</p><p><span>***更新：</span>2020-06-21 18:16:44</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="8ouvbst" 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: </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="8xd283t" class="page-proshow02"><p class="title">詳細說明</p><div id="vp2uvbc" class="box"><p><p> 鍍鋅方管的成型方法介紹： </p> <p> 1、實彎： </p> <p> 實彎，顧名思義是壓實了彎折，實彎時內(nèi)外輥與管坯內(nèi)外壁雙向壓實。 </p> <p> (1)實彎的優(yōu)點是反彈小，成型準確，而且只要輥型準確，內(nèi)角成型的R比較準確。 </p> <p> (2)實彎的缺點是有拉伸/減薄效應。第壹，實彎會使彎折處產(chǎn)生拉伸，昆明Q355B鍍鋅方管批發(fā)，拉伸效應使彎折線縱向的長度縮短;第二，實彎彎折處金屬會因拉伸而變薄。 </p> <p> 2、空彎： </p> <p> 空彎是通過外輥與管坯外壁的單向接觸形成彎矩使帶料彎折，空彎會使彎折線產(chǎn)生壓縮，壓縮效應使彎折線縱向伸長，彎折處金屬出現(xiàn)堆積變厚，這就是空彎的壓縮/增厚效應。 </p> <p> (1)空彎的優(yōu)點是可以在無法進行實彎時進行邊長的彎折，比如方矩管的上邊/側邊同步彎折和精整?？諒澾€可以彎折R<0.2t的內(nèi)角而不致管壁發(fā)生斷裂，昆明Q355B鍍鋅方管批發(fā)，昆明Q355B鍍鋅方管批發(fā)。 </p> <p> (2)空彎的缺點是在上邊/側邊同步空彎時，由于上輥和下輥同時產(chǎn)生壓力，成型力容易超越臨界點，造成邊部失穩(wěn)內(nèi)凹，并且也會影響到機組穩(wěn)定運行和成型質量。這也是方矩管和圓管空彎成型時不同的特點 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明Q355B鍍鋅方管批發(fā)" src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/3/636915855259791374_ynmaoxuan_6506553.jpg"></div><p> 鍍鋅方管用途 </p> <p> 由于鍍鋅方管是在方管上進行了鍍鋅的處理，所以使得鍍鋅方管的應用范圍較方管有了很大的拓展。其主要用于幕墻，建筑，機械制造，鋼鐵建設項目，造船，太陽能發(fā)電支架，鋼結構工程，電力工程，電廠，農(nóng)業(yè)和化學機械，玻璃幕墻，汽車底盤，機場等。 </p> <p> 鍍鋅介紹 </p> <p> 鍍鋅其防護作用更強，抗腐蝕能力強。整個結構由鋅，形成致密的四元結晶體，此結晶體在鋼板上形成一層屏障，因而有效的防止腐蝕因子穿透。耐腐蝕性來自鋅的障礙層保護功能強。當鋅在切邊、刮痕及鍍層擦傷部份作犧牲保護時，鋅便形成不能溶解的氧化物層，發(fā)揮屏障保護功能。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明Q355B鍍鋅方管批發(fā)" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121506914062/3692921.jpg"></div><p> 鍍鋅帶方管防腐蝕,具有非常好的防銹功能 </p> <p> 一般分冷鍍鋅和熱鍍鋅，冷鍍鋅也可稱為電鍍鋅， </p> <p> 冷鍍鋅工藝用于保護金屬防止腐蝕，為此利用了鋅填料的涂料，在利用任何一種涂敷的方法將其涂在被保護表面，干燥之后形成鋅填料涂層，在干燥涂層中具有含量的鋅（達到95%）。適合于修理工作（即在修理工作過程中，僅在被保護的鋼表面損傷的地方，只要修理好表面就可以重新涂敷）。冷鍍鋅工藝用于各種鋼制品和構筑物的防腐。(冷鍍鋅就是電鍍鋅，鍍鋅量達到95%，其本身的耐腐蝕性比較好。采用電鍍鋅的價格相對便宜一些。 </p> <p> 實際上,冷鍍鋅的效果,適合應用于修補，防腐蝕,具有較好的防銹功能；防銹性能超過電鍍或熱鍍鋅層；擦破漆膜后，對底層金屬仍有保護作用。鋼鐵在冷卻的條件下在表面鍍鋅，而熱鍍鋅是鋼管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。電鍍層均勻，厚度很?。粺徨儗虞^厚，厚度不均勻。電鍍外觀光亮，熱鍍顏色較暗。 </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/340743.html</p></div></div></div></div></div><div id="xr43fb7" class="page-right twoColRt"><div id="cgfwntu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="88xq8gw" 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" 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