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id="ftk8swr" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013562841797/386451.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wpq4duk" 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>昆明鍍鋅圓鋼現(xiàn)貨,鍍鋅圓鋼</p><p><span>***更新：</span>2020-12-01 08:01:30</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="36vhn3h" 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="h2fb2nd" class="page-proshow02"><p class="title">詳細說明</p><div id="7gwkslr" class="box"><p><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心長條鋼材。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，常用作鋼筋、螺栓及各種機械零件；大于25毫米的圓鋼，主要用于制造機械零件或作無縫鋼管坯，圓鋼與其它鋼筋的區(qū)別：外型不一樣，昆明鍍鋅圓鋼現(xiàn)貨，圓鋼外型光圓，昆明鍍鋅圓鋼現(xiàn)貨，無紋無肋，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，昆明鍍鋅圓鋼現(xiàn)貨，圓鋼(一級鋼)屬于普通低碳鋼，其它鋼筋多為合金鋼。熱鍍鋅圓鋼的鍍鋅層與鋼材間是冶金結(jié)合，成為鋼表面的一部份，因此熱鍍鋅圓鋼的鍍層的持久性較為可靠；昆明鍍鋅圓鋼現(xiàn)貨</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明鍍鋅圓鋼現(xiàn)貨,鍍鋅圓鋼" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013562841797/386451.jpg"></div><p> 鍍鋅圓鋼的自身優(yōu)勢是什么 </p> <p> <br /> </p> <p> 圓鋼與其它鋼筋的區(qū)別： </p> <p> 外型不一樣，圓鋼外型光圓，無紋無肋，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。 </p> <p> 成份不一樣，圓鋼(一級鋼)屬于普通低碳鋼，其它鋼筋多為合金鋼。 </p> <p> 冷拔圓鋼用途圖片型號 </p> <p> 強度不一樣.圓鋼強度低，其它鋼強度高，即直徑大小相同的圓鋼與其它鋼筋相比，圓鋼所能承受的拉力要比其它鋼筋小，但圓鋼的塑性比其它鋼筋強，即圓鋼在被拉斷前有較大的變形，而其它鋼筋在被拉斷前的變形要小得多。昆明鍍鋅圓鋼現(xiàn)貨鍍鋅圓鋼廠家，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="昆明鍍鋅圓鋼現(xiàn)貨,鍍鋅圓鋼" src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/2/636915823385550913_ynmaoxuan_1927380.jpg"></div><p> 鍍鋅圓鋼廠家分享圓鋼的一些規(guī)格材質(zhì)及與鋼筋有哪些區(qū)別？ </p> <p> 不知道大家有沒有見過圓鋼，比喻一下，大家應該都見過蓋樓房所使用的鋼筋，而圓鋼類似于鋼筋，與鋼筋所不同的是，鋼筋是螺旋的外表，外表凹凸不平，而圓鋼的表面就不會那樣，并且圓鋼與鋼筋的相似點是都是實心，并且都用于建筑業(yè)，但有些圓鋼會用于制作機器設(shè)備。這下你對于圓鋼的外形有了一定的了解了吧，那就讓我們在深入的了解一下我們生活中所使用的普通圓鋼。 </p> <p> 為什么被稱為圓鋼，當然是因為它有著圓形的橫截面，因此有圓鋼之稱，一般來說，圓鋼的橫截面直徑會有不同，根據(jù)直徑的不同圓鋼分為不同的規(guī)格，并且在包裝時都是數(shù)根圓鋼包裹在一起的，不小心看上去會以為圓鋼很粗，實際上并沒有想象中的那樣。 </p> <p> 用于制作圓鋼的材料很多，比如Q235、Q195、10#、20#等等，并且圓鋼的制作工藝也分為冷拉、熱軋、鍛制這三種。其中圓鋼大部分使用的是熱軋工藝，**小的規(guī)格為5.5毫米，比較大的規(guī)格能夠達到250毫米。一些螺栓，鋼筋，大型機械的零件都是使用圓鋼制作的，其用途還是比較很多的。 </p><p> 熱鍍鋅圓鋼的原理分析 </p> <p> 一、將鋼材于常溫下進行冷拉使產(chǎn)生塑性變形，從而提高屈服強度，這個過程稱為冷拉強化。 </p> <p> 二、冷拉強化的原理：鋼材在塑性變形中晶格的缺點增多，而缺點的晶格嚴重畸變對晶格進一步滑移將起到阻礙作用，故鋼材的屈服點提高，塑性和韌性降低。由于塑性變形中產(chǎn)生內(nèi)應力，故鋼材的彈性模量降低。將經(jīng)過冷拉的鋼筋于常溫下存放15～20d或加熱到100～200℃并保持一定時間，這個過程稱為時效處理。 </p> <p> 三、冷拉后時效處理的鋼筋，屈服點進一步提高，抗拉極限強度也有所增長，塑性繼續(xù)降低。由于時效過程中內(nèi)應力的消減，故彈性模量可基本恢復。工地或預制構(gòu)件廠常利用這一原理，對鋼筋或低碳鋼盤條按一定制度進行冷拉或冷拔加工，以提高屈服強度節(jié)約鋼材。熱鍍鋅圓鋼比普通圓鋼強大在哪里？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明鍍鋅圓鋼現(xiàn)貨,鍍鋅圓鋼" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013564697266/7683322.jpg"></div><p> 熱鍍鋅圓鋼的應用領(lǐng)域分析 </p> <p> <br /> </p> <p> 熱鍍鋅圓鋼 </p> <p> 熱鍍鋅圓鋼是指截面為圓形的實心長條鋼材。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。 </p> <p> 材質(zhì)牌號 </p> <p> 10#、20#、35#、45#、Q215，Q235、304、316、20Cr、40Cr、20CrMo、35CrMo、42CrMo、40CrNiMo、GCr15、65Mn、50Mn、50Cr、3Cr2W8V、20CrMnTi、5CrMnMo </p> <p> 產(chǎn)品成分編輯 </p> <p> 化學成分：C0.42-0.50Si0.17-0.37Mn0.50-0.80Cr不大于0.25Ni不大于0.30Cu不大于0.25力學性能：抗拉強度不小于600Mpa，屈服強度不小于355Mpa，延伸率不小于16，斷面收縮率不小于40%，沖擊功不小于31J。未熱下HBS10/3000不大于229.推薦熱處理溫度：正火850攝氏度。淬火840攝氏度，回火600攝氏度。在市區(qū)或近海區(qū)域，熱鍍鋅防銹層則可保持20年而不必修補；昆明鍍鋅圓鋼采購</p><p style="text-indent:25px">熱鍍鋅圓鋼的材質(zhì)檢測是怎樣的？昆明鍍鋅圓鋼現(xiàn)貨</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，當然他們的價格也相對便宜一些。 </p> <p> 電鍍鋅，工件表面光滑平整，但是因為鍍層比較薄，一般在5-30微米以內(nèi)，所以防腐蝕的時間會比較短。都用在室內(nèi)使用制件的防銹，如機殼底、面板，小尺寸緊固件等。 </p> <p> 熱鍍鋅是先將鋼管進行酸洗(為了去除鋼管表面的氧化鐵)，酸洗后，通過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，使用壽命長等優(yōu)點。 </p> <p> 區(qū)別就是看鍍鋅層的厚度，熱鍍鋅的鋅層比較厚。 </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。昆明鍍鋅圓鋼現(xiàn)貨</p><p style="text-indent:25px">云南貿(mào)軒商貿(mào)有限公司位于云南省昆明經(jīng)開區(qū)宏錫路4-1-2號鐵公雞物流園二號寫字樓408號。公司業(yè)務涵蓋鍍鋅管，工字鋼，槽鋼，角鋼等，價格合理，品質(zhì)有保證。公司秉持誠信為本的經(jīng)營理念，在冶金礦產(chǎn)深耕多年，以技術(shù)為先導，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造冶金礦產(chǎn)良好品牌。貿(mào)軒鋼材立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2220506.html</p></div></div></div></div></div><div id="znznoek" class="page-right twoColRt"><div id="rfw7bhd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="unoh2lm" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="hvbstu2" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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