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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>昆明經(jīng)開區(qū)薄壁鍍鋅圓管供應(yīng)商,鍍鋅圓管</p><p><span>***更新：</span>2020-12-27 01:13:59</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="m8w3qn3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">云南贛僑貿(mào)易有限公司</a></p><p><span>聯(lián)系人：</span>榮總</p><p><span>郵箱: </span>2922963534@qq.com</p><p><span>電話: </span>13888350791</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://www.yngqwz.com</p><p><span>手機(jī): </span>138-8835</p><p><span>地址: </span>經(jīng)開區(qū)寶象物流中心A區(qū)1棟3層319室 </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="tzvn2o9" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="slnpmlc" class="box"><p><p> 你知道鍍鋅圓管在鍍鋅時(shí)都有哪些特點(diǎn)嗎？ </p> <p> 鍍鋅圓管鍍鋅特點(diǎn)要求，鍍鋅圓管鋅鍍層的外觀呈青白色，標(biāo)準(zhǔn)電極電位為-0.76V，易溶于酸，溶于堿，是典型的兩性金屬。鋅在干燥空氣中幾乎不發(fā)生變化，鋅腐蝕的臨界濕度大于70%，因此在潮濕大氣中能與二氧化碳和氧作用生成一層主要由堿式碳酸鋅組成的薄膜，這層膜有一定的緩蝕作用，鋅與硫化氫等含硫化物起反應(yīng)生成硫化鋅﹔鋅易受氯離子浸蝕，故在海水中不穩(wěn)定。 </p> <p> 鍍鋅圓管的鋅在密閉或通風(fēng)不良，空氣潮濕的條件下，與非金屬材料的揮發(fā)物(低分子羧酸，醛，酚，氨等)接觸時(shí)，鋅易遭腐蝕，生成白色疏松的腐蝕產(chǎn)物，俗稱”白霜”。鋅在高溫，高濕，密閉條件下，與膠木，昆明經(jīng)開區(qū)薄壁鍍鋅圓管供應(yīng)商，油漆，木材釋放的揮發(fā)物接觸，鋅有生長(zhǎng)細(xì)絲狀單晶的傾向，昆明經(jīng)開區(qū)薄壁鍍鋅圓管供應(yīng)商，俗稱”長(zhǎng)毛” ，昆明經(jīng)開區(qū)薄壁鍍鋅圓管供應(yīng)商。鍍鋅管鍍銅屬于連續(xù)電鍍，但電鍍?cè)O(shè)備不同。昆明經(jīng)開區(qū)薄壁鍍鋅圓管供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明經(jīng)開區(qū)薄壁鍍鋅圓管供應(yīng)商,鍍鋅圓管" src="https://tyunfile.71360.com/WaterMark/UploadFile/ganqiao2020/637357112451298828/4156355.png"></div><p> 鍍鋅圓管其實(shí)也會(huì)生銹，只是鍍鋅層首先被氧化保護(hù)了鋼管不生銹，其使用壽命更長(zhǎng)。鍍鉻的鉻層自然條件下不會(huì)與空氣中的氧、二氧化碳、水反應(yīng)，也不被弱酸、堿腐蝕，其防銹效果當(dāng)然更好些。如果鍍鋅層夠厚的話按理論是不會(huì)生銹的，因?yàn)殇摴艿谋砻姹灰粚咏饘黉\包裹，與空氣隔離開，所以鋼管是不會(huì)生銹的。 </p> <p> 這和安裝的環(huán)境也有關(guān)，環(huán)境如有潮濕、長(zhǎng)時(shí)間淋雨，慢慢的鍍鋅圓管就會(huì)出現(xiàn)氧化、斑點(diǎn)、到就會(huì)被腐蝕生銹，如果想要使用壽命長(zhǎng)久一些，保持較干燥、盡量選擇室內(nèi)施工，這樣的話使用年期大概在5-10年甚至更久(但不包括一些市面上的劣質(zhì)品)。鋼管鍍鋅以后，表面覆蓋了一層鋅的涂層，使鋼管和大氣隔了開來(lái)，避免了大氣對(duì)鋼管的直接接觸和銹蝕，得到了保護(hù)。而鋅在鋼管表面的涂層，由于鋅的化學(xué)活性比較強(qiáng)，常溫下在空氣中就會(huì)形成薄而致密的一層碳酸鋅，保護(hù)鋅自身不會(huì)繼續(xù)被氧化。昆明40鍍鋅圓管供應(yīng)商鍍鋅圓管分為冷鍍鋅圓管和熱鍍鋅圓管。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明經(jīng)開區(qū)薄壁鍍鋅圓管供應(yīng)商,鍍鋅圓管" src="https://tyunfile.71360.com/WaterMark/UploadFile/ganqiao2020/637357111749111328/3250551.png"></div><p> 鍍鋅圓管的鋅鍍層經(jīng)鉻酸鹽鈍化之后，耐蝕性可提高6--8倍。故鍍鋅鈍化處理是必不可少的的步驟。在鈍化膜上進(jìn)行有機(jī)染色，可作低文件產(chǎn)品的防護(hù)---裝飾鍍層。 </p> <p> 為降低鋅鍍層厚又能提高耐蝕能力，國(guó)內(nèi)外采用如下兩種措施﹕一是提高鈍化膜的質(zhì)量，如用藍(lán)色，綠色，軍綠色，黑色鈍化代替常規(guī)的彩虹色鈍化膜，尤以軍綠化鈍化膜耐蝕性較好好﹔二是以較薄的含鐵0.3%--0.6%的Zn-Fe合金，或含鎳6%-10%的Zn-Ni合金代替純鋅鍍層，耐蝕性能提高三倍以上，普遍用于汽車鋼板上代替鍍鋅。 </p><p> 公司通過(guò)不同時(shí)期的市場(chǎng)變化和特點(diǎn)，不斷的調(diào)整和優(yōu)化經(jīng)營(yíng)品種，加強(qiáng)市場(chǎng)的營(yíng)銷與拓展，憑借優(yōu)越的貨源渠道，先進(jìn)的管理方式，靈敏的市場(chǎng)信息及多方位的服務(wù)方式在鋼鐵貿(mào)易行業(yè)的發(fā)展中擁有大批***穩(wěn)定的上、下游客戶，贏得了廣大客戶的支持和信賴，使公司得到了長(zhǎng)足的發(fā)展。公司以“艱苦創(chuàng)業(yè)、差別經(jīng)營(yíng)、大膽跟進(jìn)、自我完善、滾動(dòng)發(fā)展、質(zhì)量是本、信譽(yù)是金”的經(jīng)營(yíng)思路和企業(yè)文化，確立了公司發(fā)展的方向與策略。通過(guò)幾年的發(fā)展鑄就了一支良好的、具有建筑材料采購(gòu)、營(yíng)銷經(jīng)驗(yàn)豐富的經(jīng)營(yíng)管理團(tuán)隊(duì)，引入先進(jìn)的經(jīng)營(yíng)管理理念和管理方法，充分發(fā)揮了各崗位員工的主觀能動(dòng)性和主人翁精神云南贛僑貿(mào)易有限責(zé)任公司是集鋼材銷售，倉(cāng)儲(chǔ)物流為一**于昆明東三環(huán)鐵公雞鋼鐵物流港，主要經(jīng)營(yíng)板材、型鋼、管材、建材等各類***鋼材。公司遵循“為客戶創(chuàng)造價(jià)值比較大化”經(jīng)營(yíng)理念，以“互惠互利，共創(chuàng)雙贏”為發(fā)展目標(biāo)，真誠(chéng)期待與您“友”好協(xié)作，財(cái)富共“儲(chǔ)”！ </p> <p> <br /> ***鍍鋅圓管，云南贛僑貿(mào)易供應(yīng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明經(jīng)開區(qū)薄壁鍍鋅圓管供應(yīng)商,鍍鋅圓管" src="https://tyunfile.71360.com/WaterMark/UploadFile/ganqiao2020/637357111522822266/7392295.png"></div><p> 鍍鋅圓管應(yīng)該達(dá)到的技術(shù)要求 </p> <p> 1、牌號(hào)和化學(xué)成分 </p> <p> 鍍鋅鋼管用鋼的牌號(hào)和化學(xué)成分應(yīng)符合GB3092所規(guī)定的黑管用鋼的牌號(hào)和化學(xué)成分。 </p> <p> 2、制造方法 </p> <p> 黑管的制造方法（爐焊或電焊）由制造廠選擇。鍍鋅采用熱浸鍍鋅法。 </p> <p> 3、螺紋及管接頭 </p> <p> 3.1帶螺紋交貨的鍍鋅鋼管，螺紋應(yīng)在鍍鋅后車制。螺紋應(yīng)符合YB822的規(guī)定。 </p> <p> 3.2鋼制管接頭應(yīng)符合YB238的規(guī)定；可鍛鑄鐵管接頭應(yīng)符合YB230的規(guī)定。 </p> <p> 4、力學(xué)性能鋼管鍍鋅前的力學(xué)性能應(yīng)符合GB3092的規(guī)定。 </p> <p> 5、鍍鋅層的均勻性鍍鋅鋼管應(yīng)作鍍鋅層均勻性的試驗(yàn)。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）。 </p> <p> 6、冷彎曲試驗(yàn)公稱口徑不大于50mm的鍍鋅鋼管應(yīng)作冷彎曲試驗(yàn)。彎曲角度為90°，彎曲半徑為外徑的8倍。試驗(yàn)時(shí)不帶填充物，試樣焊縫處應(yīng)置于彎曲方向的外側(cè)或上部。試驗(yàn)后，試樣上不應(yīng)有裂縫及鋅層剝落同象。 </p> <p> 7、水壓試驗(yàn)水壓試驗(yàn)應(yīng)在黑管進(jìn)行，也可用渦流探傷代替水壓試驗(yàn)。試驗(yàn)壓力或渦流探傷對(duì)比試樣尺寸應(yīng)符合GB3092的規(guī)定。 </p> <p> <br /> 昆明鍍鋅圓管批發(fā)，云南鍍鋅圓管采購(gòu)，云南贛僑貿(mào)易供應(yīng)。盤龍區(qū)90鍍鋅圓管報(bào)價(jià)</p><p style="text-indent:25px">鍍鋅圓管哪家好，云南贛僑貿(mào)易供應(yīng)。昆明經(jīng)開區(qū)薄壁鍍鋅圓管供應(yīng)商</p><p style="text-indent:25px">隨著經(jīng)濟(jì)的發(fā)展，社會(huì)上呈現(xiàn)的假冒產(chǎn)品也越來(lái)越多，為了避免在購(gòu)買熱鍍鋅圓管時(shí)不讓自己上當(dāng)受騙，那么就需求了解一些關(guān)于怎么判別圓管真假的常識(shí)：咱們能夠經(jīng)過(guò)調(diào)查圓管的外表滑潤(rùn)度和平整度來(lái)進(jìn)行判別，假如圓管的外表相對(duì)平整，則能反映出此熱鍍鋅圓管是質(zhì)量較好的，反之若外表不那么平整，并且大小和厚度也不標(biāo)準(zhǔn)，則能夠反映出此圓管是殘次產(chǎn)品。云南贛僑貿(mào)易有限公司是專業(yè)的熱鍍鋅鋼材廠家，從事鍍鋅槽鋼、鍍鋅圓管等鍍鋅類和不銹鋼類產(chǎn)品的批發(fā)銷售，歡迎新老客戶前來(lái)咨詢購(gòu)買。昆明經(jīng)開區(qū)薄壁鍍鋅圓管供應(yīng)商</p><p style="text-indent:25px">云南贛僑貿(mào)易有限公司是一家云南贛僑貿(mào)易有限公司是一家倉(cāng)儲(chǔ)和物流為主體的綜合貿(mào)易企業(yè)，經(jīng)營(yíng)鋼材批發(fā)銷售、鋼結(jié)構(gòu)定做和緊固非標(biāo)件加工。公司誠(chéng)信立足鋼材貿(mào)易行業(yè)多年，公司主要經(jīng)營(yíng)鋼管類：冷熱鍍鋅鋼管、方鉅管、架子管、螺旋管等；型材類：工角槽鋼和H型鋼等；螺紋鋼，線材、模鋼及配件等系列鋼材類產(chǎn)品。的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來(lái)，投身于鍍鋅管，螺旋管，無(wú)縫管，焊管，是建筑、建材的主力軍。云南贛僑貿(mào)易致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。云南贛僑貿(mào)易始終關(guān)注建筑、建材市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2576163.html</p></div></div></div></div></div><div id="2jfxolx" class="page-right twoColRt"><div id="au2proa" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="auh28uj" 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" 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