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<meta http-equiv="Cache-Control" content="no-transform" /> <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 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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>昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià),鍍鋅圓鋼</p><p><span>***更新：</span>2020-11-10 00:12:21</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="blnaheb" 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(xiě)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="k7bogd7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="q3boqik" class="box"><p><p> 冷鍍鋅就是電鍍鋅，鍍鋅量很少，只有10-50g/m2，其本身的耐腐蝕性比熱鍍鋅管相差很多。正規(guī)的鍍鋅鋼鐵件生產(chǎn)廠家，為了保證質(zhì)量，大多不采用電鍍鋅(冷鍍)。只有那些規(guī)模小、設(shè)備陳舊的小企業(yè)采用電鍍鋅，當(dāng)然他們的價(jià)格也相對(duì)便宜一些。 </p> <p> 電鍍鋅，工件表面光滑平整，但是因?yàn)殄儗颖容^薄，一般在5-30微米以內(nèi)，所以防腐蝕的時(shí)間會(huì)比較短。都用在室內(nèi)使用制件的防銹，如機(jī)殼底，昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià)、面板，小尺寸緊固件等。 </p> <p> 熱鍍鋅是先將鋼管進(jìn)行酸洗(為了去除鋼管表面的氧化鐵)，酸洗后，通過(guò)氯化銨或氯化鋅水溶液或氯化銨和氯化鋅混合水溶液槽中進(jìn)行清洗，然后送入熱浸鍍槽中，在450-480℃熔融的鋅液中鍍的鋅。由于有鋅鐵合金層，耐腐蝕性能好一些。熱鍍鋅具有鍍層均勻，附著力強(qiáng)，昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià)，使用壽命長(zhǎng)等優(yōu)點(diǎn)。 </p> <p> 區(qū)別就是看鍍鋅層的厚度，熱鍍鋅的鋅層比較厚，昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià)。 </p> <p> 接地裝置分為水平接地和垂直接地。水平接地地體一般采用熱鍍鋅扁鋼或者熱鍍鋅圓鋼；垂直接地極采用熱鍍鋅角鋼、鋼管、圓鋼等材料。熱鍍鋅圓鋼的材質(zhì)檢測(cè)是怎樣的？昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià),鍍鋅圓鋼" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013564697266/7683322.jpg"></div><p> 熱鍍鋅圓鋼的工藝流程分析，如下： </p> <p> <br /> </p> <p> 莎倫法 </p> <p> 1939年美國(guó)莎倫公司投產(chǎn)一臺(tái)新型的熱鍍鋅機(jī)組，所以也叫莎倫法。該法是在退火爐內(nèi)向帶鋼噴射氯化氫氣體并使帶鋼達(dá)到再結(jié)晶溫度，所以也稱為氣體酸洗法。采用氯化氫氣體酸洗，不但能去除帶鋼表面的氧化皮，而且同時(shí)去除了帶鋼表面的油脂，由于帶鋼表面被氧化氣體腐蝕，形成麻面，所以使用莎倫法所得到的鍍層粘附性特別好。但是由于設(shè)備腐蝕嚴(yán)重，由此造成很高的設(shè)備維修和更新費(fèi)用。因而此種方法很少被采用。 </p> <p> 改良森吉米 </p> <p> 它是一種更優(yōu)越的熱鍍鋅工藝方法;它把森吉米爾法中各自**的氧化爐和還原爐由一個(gè)截面積較小的過(guò)道連接起來(lái)，這樣包括預(yù)熱爐、還原爐和冷卻段在內(nèi)的整個(gè)退火爐構(gòu)成一個(gè)有機(jī)整體。實(shí)踐證明，該法具有許多優(yōu)點(diǎn)：質(zhì)量、高產(chǎn)、低耗、安全等優(yōu)點(diǎn)已逐漸被人們所認(rèn)識(shí)。其發(fā)展速度非?？欤?965年以來(lái)新建的作業(yè)線幾乎全部采用了這種方法，近年來(lái)老的森吉米爾機(jī)組也大都按照此方法進(jìn)行了改造。昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià)越南鍍鋅圓鋼，云南貿(mào)軒商貿(mào)有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià),鍍鋅圓鋼" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013564648438/285066.jpg"></div><p> 熱鍍鋅圓鋼的長(zhǎng)度尺寸表示方式 </p> <p> <br /> </p> <p> 熱鍍鋅圓鋼長(zhǎng)度尺寸是各種鋼材的基本尺寸，是指鋼材的長(zhǎng)、寬、高、直徑、半徑、內(nèi)徑、外徑以及壁厚等長(zhǎng)度。其中熱鍍鋅圓鋼的范圍定尺是節(jié)省材料的一種有效措施，就是長(zhǎng)度或長(zhǎng)乘寬不小于某種尺寸，或是長(zhǎng)度、長(zhǎng)乘寬從多少到多少的尺寸范圍內(nèi)交貨。 </p> <p> 凡熱鍍鋅圓鋼的尺寸在標(biāo)準(zhǔn)規(guī)定范圍內(nèi)，而又不要求固定尺寸的稱之為不定尺，又可以被稱為通常長(zhǎng)度，按不定尺交貨的金屬材料，只要在規(guī)定長(zhǎng)度范圍內(nèi)交貨就可以了。熱鍍鋅圓鋼定尺按訂貨要求切成固定尺寸的稱為定尺。按定尺長(zhǎng)度交貨時(shí)，所交金屬材料必須具有需方在訂貨合同中指定的長(zhǎng)度。 </p><p> 鍍鋅圓鋼的性能優(yōu)勢(shì) </p> <p> 同樣級(jí)別和同樣直徑的圓鋼每30T為首批開(kāi)展檢測(cè)，每批圓鋼外型經(jīng)逐根查驗(yàn)及格后，再?gòu)娜芜x的二根圓鋼上各取一整套混凝土試塊，依照現(xiàn)行標(biāo)準(zhǔn)國(guó)家行業(yè)標(biāo)準(zhǔn)的要求開(kāi)展拉力試驗(yàn)(抗拉強(qiáng)度、抗拉抗壓強(qiáng)度、伸長(zhǎng)短)和冷拔實(shí)驗(yàn)。 </p> <p> 如無(wú)這項(xiàng)實(shí)驗(yàn)結(jié)果不符《公路橋涵工程施工技術(shù)標(biāo)準(zhǔn)》(JTJ041-3000)附錄G.3所要求的規(guī)定時(shí)，則另取二倍總數(shù)的混凝土試塊改版所有各類(lèi)實(shí)驗(yàn)，如仍有一條混凝土試塊不過(guò)關(guān)，則該批圓鋼為不過(guò)關(guān)。云南貿(mào)軒商貿(mào)有限公司鍍鋅圓鋼廠家，云南貿(mào)軒商貿(mào)有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià),鍍鋅圓鋼" src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/2/636915823385550913_ynmaoxuan_1927380.jpg"></div><p> 鍍鋅圓鋼與鋼管的區(qū)別 </p> <p> 鍍鋅圓鋼是指截面為圓形的實(shí)心長(zhǎng)條鋼材。其規(guī)格以直徑的毫米數(shù)表示，如"50"即表示直徑為50毫米的圓鋼。圓鋼分為熱軋、鍛制和冷拉三種。熱軋圓鋼的規(guī)格為5.5-250毫米。其中：5.5-25毫米的小圓鋼大多以直條成捆供應(yīng)，常用作鋼筋、螺栓及各種機(jī)械零件；大于25毫米的圓鋼，主要用于制造機(jī)械零件或作無(wú)縫鋼管坯，圓鋼與其它鋼筋的區(qū)別：外型不一樣，圓鋼外型光圓，無(wú)紋無(wú)肋，其它鋼筋表面外型有刻紋或有肋，這樣就造成圓鋼與混凝土的粘結(jié)力小，而其它鋼筋與混凝土的粘結(jié)力大。成份不一樣，圓鋼(一級(jí)鋼)屬于普通低碳鋼，其它鋼筋多為合金鋼。鍍層的韌性強(qiáng)，鍍鋅層形成一種特別的冶金結(jié)構(gòu)；昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià)</p><p style="text-indent:25px">鍍鋅圓鋼與鋼管的區(qū)別？昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià)</p><p> 鍍鋅圓鋼為什么能作為暗裝避雷帶使用？ </p> <p> 暗敷在屋頂混凝土中的避雷帶沒(méi)有必要用鍍鋅圓鋼，直接采用結(jié)構(gòu)用的鋼筋即可。 </p> <p> 一般設(shè)計(jì)要求采用鍍鋅圓鋼是明敷的避雷帶。因此鍍鋅圓鋼與結(jié)構(gòu)鋼筋除了防銹功能外沒(méi)有可以對(duì)比的地方。 </p> <p> 因?yàn)榭諝庵杏幸欢ǖ乃嵝?，普通鋼鐵容易腐爛，鍍鋅的就不易腐爛生銹，所以為了延長(zhǎng)使用壽命，暴露在外的構(gòu)件一般都采用鍍鋅，包括鋼管。而砼里面的鋼筋由于有保護(hù)層，所以沒(méi)必要采用鍍鋅了。云南貿(mào)軒商貿(mào)有限公司。昆明質(zhì)量鍍鋅圓鋼廠家報(bào)價(jià)</p><p style="text-indent:25px">云南貿(mào)軒商貿(mào)有限公司是一家公司主要經(jīng)營(yíng)各種規(guī)格：H型鋼、工字鋼、槽鋼、鋼板、方管、螺旋管、鍍鋅管、無(wú)縫管、圓鋼、C型鋼、彩瓦、鋼軌、角鋼、螺紋鋼、線材等系列產(chǎn)品的鋼材。常年經(jīng)銷(xiāo)昆鋼、柳鋼、鞍鋼、重鋼、攀鋼、萊鋼、匯鋼、玉昆、仙福、方圓等各大鋼廠鋼材。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。貿(mào)軒鋼材深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**的鍍鋅管，工字鋼，槽鋼，角鋼。貿(mào)軒鋼材不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。貿(mào)軒鋼材始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使貿(mào)軒鋼材在行業(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: 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