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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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class="home-main container clearfix"><div id="vjtfmo3" class="twoCol"><div id="rpubyk4" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_jzjc/">建筑、建材</a>?<a href="http://www.cdcfah.com/cp/third-jzjc_jsjc/">金屬建材</a>?昆明Q355B鍍鋅方管廠客戶至上云南貿(mào)軒商貿(mào)供應(yīng)</p><div id="haphjq4" class="leftbox clearfix"><h1>昆明Q355B鍍鋅方管廠客戶至上云南貿(mào)軒商貿(mào)供應(yīng)</h1><div id="m3oc2da" class="proBig"><div id="ujbiala" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121509277343/1296989.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hrt7khb" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121509277343/1296989.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="87h8y7l" 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(guān)鍵詞：</span>昆明Q355B鍍鋅方管廠,鍍鋅方管</p><p><span>***更新：</span>2021-02-05 02:00:56</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="hb8lvrg" 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(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="wqnpt7p" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="n2ynzyf" class="box"><p><p style="text-indent:25px"><span style="font-size:14px;"> 云南貿(mào)軒商貿(mào)有限公司一貫重合同、守信用的業(yè)界形象享有較高的商業(yè)信譽，且有雄厚的經(jīng)營實力，能穩(wěn)健地向客戶提供產(chǎn)品的營銷服務(wù)，本著“誠信為本，信譽***，質(zhì)量至上，客戶滿意，追求***”的經(jīng)營理念和“品種全，規(guī)格齊，價格質(zhì)量量好，服務(wù)佳”的競爭優(yōu)勢，贏得了廣大客戶的信賴和支持，曾先后為西南地區(qū)的大型重點工程（橋梁、隧道、電站、鋼結(jié)構(gòu)廠房等）提供了大批量質(zhì)量的鋼材；現(xiàn)公司客戶群體已覆蓋昆明及省內(nèi)各地、州、縣，延伸至鄰?。ù?、貴、桂）及鄰國（越南，昆明Q355B鍍鋅方管廠，昆明Q355B鍍鋅方管廠，昆明Q355B鍍鋅方管廠、緬甸、老撾）等邊貿(mào)業(yè)務(wù)。</span>鍍鋅方管供應(yīng)，云南貿(mào)軒商貿(mào)有限公司。昆明Q355B鍍鋅方管廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明Q355B鍍鋅方管廠,鍍鋅方管" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121509277343/1296989.jpg"></div><p> 鋼管鍍鋅方矩管的工藝解析 </p> <p> 鍍鋅方矩管生產(chǎn)工藝:生產(chǎn)過程中由于不進行加熱，所以不存在熱軋矩管常出現(xiàn)的麻點和氧化鐵皮等缺點，表面質(zhì)量好、光潔度高。皮等缺點，表面質(zhì)量好、光潔度高。而且冷軋產(chǎn)品的尺寸精度高且冷軋產(chǎn)品的尺寸精度高，產(chǎn)品的性能和組織能滿足一些特殊的使用要求，和組織能滿足一些特殊的使用要求，如電磁性能、深沖性能等。電磁性能、深沖性能等。 </p> <p> 工具鋼具有良好的耐磨性，即抵抗磨損的能力。良好的耐磨性，即抵抗磨損的能力。工具在承受相當(dāng)大的壓力和摩擦力的條件仍能保持其形狀和尺寸不變下，仍能保持其形狀和尺寸不變。鍍鋅方管分熱鍍鋅和電鍍鋅兩種，熱鍍鋅矩管鍍鋅層厚，具有鍍層均勻，附著力強，使用壽命長等優(yōu)點。 </p> <p> 電鍍鋅成本低，表面不是很光滑，其本身的耐腐蝕性比熱鍍鋅方管相差很多。昆明Q355B鍍鋅方管廠熱鍍鋅方管有濕法、干法、鉛鋅法、氧化還原法等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明Q355B鍍鋅方管廠,鍍鋅方管" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121507216797/9049259.jpg"></div><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(zhǔn)確，而且只要輥型準(zhǔn)確，內(nèi)角成型的R比較準(zhǔn)確。 </p> <p> (2)實彎的缺點是有拉伸/減薄效應(yīng)。第壹，實彎會使彎折處產(chǎn)生拉伸，拉伸效應(yīng)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(yīng)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(yīng)。 </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(cè)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。 </p> <p> (2)空彎的缺點是在上邊/側(cè)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(zhì)量。這也是方矩管和圓管空彎成型時不同的特點 </p><p> 如何幫助方管除銹呢？（2） </p> <p> <br /> </p> <p> 2.合理堆碼、先進先放 </p> <p> (1)堆碼的原則要求是在碼垛穩(wěn)固、確保安全的條件下，做到按品種、規(guī)格碼垛，不同品種的材料要分別碼垛，防止混淆和相互腐蝕; </p> <p> (2)禁止在垛位附近存放對鋼管有腐蝕作用的物品; </p> <p> (3)垛底應(yīng)墊高、堅固、平整，防止材料受潮或變形; </p> <p> (4)同種材料按入庫先后分別堆碼，便于執(zhí)行先進先發(fā)的原則; </p> <p> (5)露天堆放的型鋼，下面必須有木墊或條石，垛面略有傾斜，以利排水，并注意材料安放平直，防止造成彎曲變形; </p> <p> (6)堆垛高度，人工作業(yè)的不超過1.2m，機械作業(yè)的不超過1.5m，垛寬不超過2.5m; </p> <p> (7)垛與垛之間應(yīng)留有一定的通道，檢查道一般為O.5m，出入通道視材料大小和運輸機械而定，一般為1.5～2.Om; </p> <p> (8)垛底墊高，若倉庫為朝陽的水泥地面，墊高O.1m即可;若為泥地，須墊高O.2～0.5m。若為露天場地，水泥地面墊高O·3～O·5m，沙泥面墊高0.5～O.7m9)露天堆放角鋼和槽鋼應(yīng)俯放，即口朝下，工字鋼應(yīng)立放，鋼管的I槽面不能朝上，以免積水生銹同熱鍍鋅方法的主要區(qū)別在鋼管酸浸清洗后，用什么方法活化管體表面提高鍍鋅質(zhì)量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明Q355B鍍鋅方管廠,鍍鋅方管" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637203121509345703/8677299.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(gòu)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(yīng)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(shù)、衛(wèi)生要求。電鍍層均勻，厚度很??；熱鍍層較厚，厚度不均勻。電鍍外觀光亮，熱鍍顏色較暗。越南鍍鋅方管價格，云南貿(mào)軒商貿(mào)有限公司。昆明Q355B鍍鋅方管廠</p><p style="text-indent:25px">擦破漆膜后，對底層金屬仍有保護作用。昆明Q355B鍍鋅方管廠</p><p> <span style="font-size:14px;"> 鋼材力學(xué)性能是保證鋼材最終使用性能（機械性能）的重要指標(biāo)，它取決于鋼的化學(xué)成分和熱處理制度。在鋼管標(biāo)準(zhǔn)中，根據(jù)不同的使用要求，規(guī)定了拉伸性能（抗拉強度、屈服強度或屈服點、伸長率）以及硬度、韌性指標(biāo)，還有用戶要求的高、低溫性能等。</span> </p> <p> <span style="font-size:14px;"> 1、鍍鋅層的均勻性：鋼管試樣在硫酸銅溶液中連續(xù)浸漬5次不得變紅（鍍銅色）。</span> </p> <p> <span style="font-size:14px;"> 2、表面質(zhì)量：鍍鋅鋼管的表面應(yīng)有完整的鍍鋅層，不得有未鍍上的黑斑和氣泡存在，允許有不大的粗糙面和局部鋅瘤存在。</span> </p> <p> <span style="font-size:14px;"> </span><span style="font-size:14px;"> 3、鍍鋅層重量：根據(jù)需方要求，鍍鋅鋼管可作鋅層重量測定，其平均值應(yīng)不小于500g/平方米，其中任何試樣不得小于480g/平方米。</span> 昆明Q355B鍍鋅方管廠</p><p style="text-indent:25px">云南貿(mào)軒商貿(mào)有限公司是一家有著雄厚實力背景、信譽可靠、勵精圖治、展望未來、有夢想有目標(biāo)，有組織有體系的公司，堅持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍(lán)圖，在云南省昆明市等地區(qū)的冶金礦產(chǎn)行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為行業(yè)的翹楚，努力為行業(yè)領(lǐng)域的發(fā)展奉獻出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強不息，斗志昂揚的的企業(yè)精神將引領(lǐng)貿(mào)軒鋼材和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3164317.html</p></div></div></div></div></div><div id="wqnkmjl" class="page-right twoColRt"><div id="3ix7xuw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7ol878i" 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(yīng)" class="vcenter" 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