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class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637423603248122010/1996643.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xhj73vm" 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>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>烏魯木齊Qu120起重軌廠,起重軌</p><p><span>***更新：</span>2021-01-10 08:05:31</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="bqnhl37" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">烏魯木齊鑫圣龍鋼材貿(mào)易有限公司</a></p><p><span>聯(lián)系人：</span>蘇曉果</p><p><span>郵箱: </span>398665957@qq.com</p><p><span>電話: </span>18140779777</p><p><span>傳真: </span>0991_2860888</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0991-2860888</p><p><span>地址: </span>烏魯木齊市頭屯河區(qū)王家溝鋼材市場A2-5-202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="vewoq8z" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tiumtac" class="box"><p><p> 經(jīng)濟(jì)學(xué)中有個名詞稱為「路徑依賴」，它是類似於物理學(xué)中的"慣性"，一旦選擇進(jìn)入某一路徑（無論是「好」的、還是「壞」的），就可能對這種路徑產(chǎn)生依賴。以下美國鐵軌的故事也許有助于我們理解這一概念，并且加深對其后果的印象。美國鐵路兩條鐵軌之間的標(biāo)準(zhǔn)距離是四點八五英尺。這是一個很奇怪的標(biāo)準(zhǔn)，烏魯木齊Qu120起重軌廠，究竟從何而來的？原來這是英國的鐵路標(biāo)準(zhǔn)，因為美國的鐵路**早是由英國人設(shè)計建造的。那么，為什么英國人用這個標(biāo)準(zhǔn)呢？原來英國的鐵路是由建電車軌道的人設(shè)計的，而這個四點八五英尺正是電車所用的標(biāo)準(zhǔn)。電車軌標(biāo)準(zhǔn)又是從哪里來的呢？原來**先造電車的人以前是造馬車的。而他們是用馬車的輪寬做標(biāo)準(zhǔn)。好了，那么，馬車為什么要用這個一定的輪距離標(biāo)準(zhǔn)呢？因為如果那時候的馬車用任何其他輪距的話，烏魯木齊Qu120起重軌廠，馬車的輪子很快會在英國的老路上撞壞的，烏魯木齊Qu120起重軌廠。為什么？因為這些路上的轍跡的寬度為四點八五英尺。這些轍跡又是從何而來呢？答案是古羅馬人定的，四點八五英尺正是羅馬戰(zhàn)車的寬度。如果任何人用不同的輪寬在這些路上行車的話，他的輪子的壽命都不會長。我們再問：羅馬人為什么用四點八五英尺為戰(zhàn)車的輪距寬度呢？原因很簡單，這是兩匹拉戰(zhàn)車的馬的屁股的寬度。故事到此應(yīng)該完結(jié)了?？κ驳钠鹬剀壍蛢r資料。烏魯木齊Qu120起重軌廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊Qu120起重軌廠,起重軌" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637423603248122010/1996643.png"></div><p> 京漢鐵路原稱盧漢鐵路（盧溝橋至漢口），修建時將起點從盧溝橋改至北京正陽門西站，因此鐵路開通時改名為京漢鐵路。京漢鐵路的修建有一個**關(guān)鍵的人物，這個人就是清末洋務(wù)派**之一的張之洞。1889年，清**委任張之洞為湖廣總督，在考察了當(dāng)?shù)氐那闆r后，他上書清**提議修建盧漢鐵路，得到清**批準(zhǔn)。在修建鐵路所需的鋼鐵材料問題上，張之洞在奏請修建盧漢鐵路的奏折中提出“造路之鐵可用華產(chǎn)”“購買材料取之海外漏危太多，實為非計”。他主張修建鐵路必先自造鋼軌，因此他開始一并籌辦漢陽鐵廠。新疆的起重軌現(xiàn)貨烏魯木齊的起重軌現(xiàn)貨。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊Qu120起重軌廠,起重軌" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637423603464323167/7569727.png"></div><p> 2.2.2應(yīng)采用使鋼軌中不產(chǎn)生白點的生產(chǎn)工藝。 </p> <p> 2.3 力學(xué)性能 </p> <p> 鋼軌的抗拉強(qiáng)度不小于90kg/mm。 </p> <p> 2. 表面質(zhì)量 </p> <p> 2.4.1 鋼軌表面不得有裂紋、折選、結(jié)疤、氣泡和夾雜。允許有深度不大于鋼軌尺寸允許負(fù)偏差數(shù)值的壓痕、麻點和劃傷及深度不大于1 mm的發(fā)紋。 </p> <p> 2.4.2鋼軌端面不得有裂紋、分層與縮孔殘余。 </p> <p> 2.4.3 鋼軌端面應(yīng)切得正直，端而歪斜在任何方向不得大干5mm。長度不小于4 mm的毛刺應(yīng)***掉。 </p> <p> 2.4.4鋼軌表面缺陷允許用風(fēng)鏟進(jìn)行縱向清理，清理深度(單面計算)不得大于尺寸允許負(fù)偏差。 </p> <p> 2.4.5 鋼軌表面缺陷不允許焊補(bǔ)或填補(bǔ)。 </p> <p> 3試驗方法 </p> <p> 每批軌檢驗的取樣數(shù)量，部位及試驗方法按表5規(guī)定。 </p> <p> 表5 </p> <p> 序號檢驗項目取樣數(shù)量取樣部位驗方法 </p> <p> 1 化學(xué)成分 1根 GB222-63 YB35-78 </p> <p> 2 拉力試驗 1根 GB2975-82 GB228-76 </p> <p> …尺寸遂報樣板、量尺 </p> <p> 4 表面質(zhì)量逐根所有表面肉眼 </p> <p> <br /> </p><p> 2技術(shù)要求 </p> <p> 2.1 牌號和化學(xué)成分 </p> <p> 起重機(jī)鋼軌的牌號和化學(xué)成分(熔煉分析)應(yīng)符合表4的規(guī)定。 </p> <p> 化學(xué)成分， % </p> <p> 牌號 </p> <p> C Si Mn P S </p> <p> U71Mn 0.65~0.77 0.15～0.35 1.10～1.50 <0.040 <0.040 </p> <p> 2.2制造 </p> <p> 2. 鋼軌采用平爐冶煉的***鋼制造。 </p> <p> <br /> </p> <p> 2技術(shù)要求 </p> <p> 2.1 牌號和化學(xué)成分 </p> <p> 起重機(jī)鋼軌的牌號和化學(xué)成分(熔煉分析)應(yīng)符合表4的規(guī)定。 </p> <p> 化學(xué)成分， % </p> <p> 牌號 </p> <p> C Si Mn P S </p> <p> U71Mn 0.65~0.77 0.15～0.35 1.10～1.50 <0.040 <0.040 </p> <p> 2.2制造 </p> <p> 2.2.1 鋼軌采用平爐冶煉的***鋼制造。。。。。。。。。。 </p> <p> <br /> </p> <p> <br /> 江西的起重軌現(xiàn)貨。。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊Qu120起重軌廠,起重軌" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637423603124587225/6550748.png"></div><p> 4檢驗規(guī)則 </p> <p> 4.1 檢查和驗收 </p> <p> 鋼軌的檢查和驗收由供方技術(shù)監(jiān)督部門進(jìn)行。 </p> <p> 4.2 組批規(guī)則 </p> <p> 鋼軌應(yīng)成批檢查和驗收。每批由同一型號、同一爐罐號組成。 </p> <p> 4.3 取樣數(shù)量 </p> <p> 4.3.1取樣數(shù)量按表5規(guī)定。 </p> <p> 4.3.2 制造廠若能保證抗拉強(qiáng)度符合本標(biāo)準(zhǔn)要求，一般可不作檢驗。但需方要求時，應(yīng)進(jìn)行拉力試驗。 </p> <p> 4.4 復(fù)驗規(guī)則與判定 </p> <p> 檢驗項目的復(fù)驗規(guī)則按GB 2101-80《型鋼驗收、包裝、標(biāo)志及質(zhì)量證明書的般規(guī)定》執(zhí)行。包裝、標(biāo)志及質(zhì)量證明書 </p> <p> 5.1每根鋼軌的腰部應(yīng)軋上下列清晰、凸起的標(biāo)志： </p> <p> a.制造廠商標(biāo)； </p> <p> b. 型號； </p> <p> C. 制造年、月。 </p> <p> 5.2每根鋼軌應(yīng)標(biāo)清鋼的牌號、熔煉號和質(zhì)量監(jiān)督部門印記。 </p> <p> 5.3鋼軌的包裝、標(biāo)志及質(zhì)量證明書除本標(biāo)準(zhǔn)的規(guī)定外，應(yīng)符合GB2101-80的相應(yīng)規(guī)定。 </p> <p> <br /> 福建的起重軌現(xiàn)貨。。新疆的起重軌現(xiàn)貨</p><p style="text-indent:25px">伊犁的起重軌現(xiàn)貨。。烏魯木齊Qu120起重軌廠</p><p> 2技術(shù)要求 </p> <p> 2.1 牌號和化學(xué)成分 </p> <p> 起重機(jī)鋼軌的牌號和化學(xué)成分(熔煉分析)應(yīng)符合表4的規(guī)定。 </p> <p> 化學(xué)成分， % </p> <p> 牌號 </p> <p> C Si Mn P S </p> <p> U71Mn 0.65~0.77 0.15～0.35 1.10～1.50 <0.040 <0.040 </p> <p> 2.2制造 </p> <p> 2.2.1 鋼軌采用平爐冶煉的***鋼制造。 </p> <p> <br /> </p> <p> 2技術(shù)要求 </p> <p> 2.1 牌號和化學(xué)成分 </p> <p> 起重機(jī)鋼軌的牌號和化學(xué)成分(熔煉分析)應(yīng)符合表4的規(guī)定。 </p> <p> 化學(xué)成分， % </p> <p> 牌號 </p> <p> C Si Mn P S </p> <p> U71Mn 0.65~0.77 0.15～0.35 1.10～1.50 <0.040 <0.040 </p> <p> 2.2制造 </p> <p> 2.2.1 鋼軌采用平爐冶煉的***鋼制造。。。。。。。 </p> <p> <br /> </p> <p> <br /> 烏魯木齊Qu120起重軌廠</p><p style="text-indent:25px">烏魯木齊鑫圣龍鋼材貿(mào)易有限公司是一家有著雄厚實力背景、信譽(yù)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，在新疆維吾爾自治區(qū)烏魯木齊市等地區(qū)的建筑、建材行業(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(xiàn)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(qiáng)不息，斗志昂揚(yáng)的的企業(yè)精神將引領(lǐng)鑫圣龍供應(yīng)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/2784905.html</p></div></div></div></div></div><div id="iszwneg" class="page-right twoColRt"><div id="nxo8hc2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="u29cjls" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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