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id="ya2yq"></cite><del id="ya2yq"></del><pre id="ya2yq"></pre></div> <div id="eqiq86y" class="all_head"> <div id="ua2s6ye" class="all_head_left"> <a href="http://yy4080ys.com"> <img alt="北極信息港" src="/images/logo.png" /> </a> </div> <div id="qokkoac" class="clr"></div> </div> <link href="/css/zsy1212.css" type="text/css" rel="stylesheet" /> <link href="/css/common.css" type="text/css" rel="stylesheet" /> <div id="iiqg6m8" class="w960"> <div class="sgc0oee" id="Tab1" style="float:right"> <div id="gqwq46i" class="Menubox"> <ul><li id="sch0" onclick="fSelSch(0)" class="hover">搜索引擎</li><li id="sch1" onclick="fSelSch(1)">北極信息港</li></ul> </div> <div id="ikuigko" class="Contentbox"> <ul> <li id="2qw68we" class="li01"> <form id="frmSchFull" onsubmit="return baidu(this)"> <span id="guaeo2u" class="li02"> <input name="word" type="text" class="Sinput"> </span> <input type="hidden" name="s" value="0"> <input type="submit" name="Submit" class="Sbuttom" value="搜索"> <input name="tn" type="hidden" value="bds"> <input name="cl" type="hidden" value="3"> <input name="ct" type="hidden"> <input name="si" type="hidden" value="cjjhb.com"> </form> </li> </ul> </div> </div> </div>    <div class="gm2gueq" id="showmsg_head"> </div> <div id="mcuyaai" class="all_now_position" style="margin-top: 10px;"> 您所在的位置:<a href="http://yy4080ys.com">總站首頁(yè)</a> ><a href="http://yy4080ys.com">北極信息港</a> >現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰? </div>  <div class="gykeouy" id="showmsg">  <div class="a6eeaea" id="showmsg_left"> <div class="wyg8qcy" id="showmsg_title"> <h1>現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?/h1> </div> <div id="kciy6ms" class="showmsg_contentall"> <div class="s8aeece" id="showmsg_content_top"> </div> <div class="ko6uuqi" id="showmsg_companymsg"> <ul> <li> 公司:<strong><a href="/langxianlcg1" target="_blank"> 眾順?shù)摬?林芝市朗縣分公司)</a></strong> </li> <li>價(jià)格:電聯(lián)</li> <li id="lxr">聯(lián)系人:卜海龍</li> <li>更新時(shí)間:2025-07-25 17:03:12<span id="6omgc8a" class="weather"> ip歸屬地：林芝，天氣：陣雨轉(zhuǎn)陰，溫度：6-25</span> 瀏覽次數(shù):3</li> <li>所在地:朗縣 </li> <li>標(biāo)題:<strong><a href="#">現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?/a></strong></li> <li> 來(lái)源: <span>lcg1</span> </li> <div id="owa886s" class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_qzone" data-cmd="qzone" title="分享到QQ空間"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_tqq" data-cmd="tqq" title="分享到騰訊微博"></a> <a href="#" class="bds_renren" data-cmd="renren" title="分享到人人網(wǎng)"></a> <a href="#" class="bds_weixin" data-cmd="weixin" title="分享到wx"></a> </div> </ul> <div id="m2kiosu" class="tu"> <div id="wgsammq" class="t_left1213"> <div id="wq8u4sg" class="pimgbig"><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220122215499.jpg" id="pimgbig" alt="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?></div>  <div id="aomwism" class="playvideo"><img src="/images/play.png" /></div> <div id="w8kwwso" class="pvideo"> <video id="pmp4" controls="" controlslist="nodownload" src="http://img.cjjhb.com/pub_soft/134/1196_9.mp4" type="video/mp4" preload="none"></video> </div>  <ul class="pimgsmall"> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220122215499.jpg" alt="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220122159466.jpg" alt="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220122467130.jpg" alt="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?></li> </ul> </div> </div> </div> <div class="yg6gyee" id="showmsg_content"> <div id="qek0qwq" class="new-cont-box new-cont-box-300"> <div id="cgmgs6q" class="new-info-box"> <pre> <hr> <div id="8scq0se" class="ty-tips1212">以下是:林芝市朗縣現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰镜漠a(chǎn)品參數(shù) </div> <div id="ie648cm" class="newcanshubox"> <table><tbody><tr><th colspan="2">產(chǎn)品參數(shù)</th></tr><tr><th>產(chǎn)品價(jià)格</th><td>電議</td></tr><tr><th>發(fā)貨期限</th><td>電議</td></tr><tr><th>供貨總量</th><td>電議</td></tr><tr><th>運(yùn)費(fèi)說(shuō)明</th><td>電議</td></tr><tr><th>范圍</th><td>供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰竟?yīng)范圍覆蓋<a href="http://yy4080ys.com/31lcg1134">西藏</a>、<a href="http://yy4080ys.com/0894lcg1134">林芝市</a>、朗縣、<a href="http://yy4080ys.com/089401lcg1134">米林縣</a>、<a href="http://yy4080ys.com/089402lcg1134">墨脫縣</a>、<a href="http://yy4080ys.com/089403lcg1134">波密縣</a>、<a href="http://yy4080ys.com/089404lcg1134">察隅縣</a>等區(qū)域。</td></tr></tbody> </table> </div> <div id="ao0suu8" class="_hnyd3w2aqb"></div><div id="6okaocw" class="cont-tips">【眾順】為您提供<a href="http://yy4080ys.com/motuolcg1">墨脫厚壁無(wú)縫鋼管廠貼心服務(wù)</a>、<a href="http://yy4080ys.com/chayulcg1">察隅厚壁無(wú)縫鋼管廠追求細(xì)節(jié)品質(zhì)</a>、<a href="http://yy4080ys.com/bomilcg1">波密厚壁無(wú)縫鋼管廠一站式供應(yīng)</a>、<a href="http://yy4080ys.com/milinlcg1">米林厚壁無(wú)縫鋼管廠工藝精細(xì)質(zhì)保長(zhǎng)久</a>等多元產(chǎn)品與服務(wù)。<span id="0acemm2" class="tybt4">現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?/span>,<span id="cm60gme" class="tysbm4">眾順?shù)摬?林芝市朗縣分公司)lcg1134-15</span>為您提供<span id="2ao624o" class="tybt4">現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?/span>產(chǎn)品案例,聯(lián)系人:<span id="ausoci4" class="tylxr">卜海龍</span>,電話(huà):<span id="g0mi2o2" class="tylxr">【0527-88266888】、【18762195566】</span>,供應(yīng)服務(wù)范圍覆蓋:<span id="giioemy" class="tydz"><a href="http://yy4080ys.com/xizanglcg1">西藏</a>、<a href="http://yy4080ys.com/linzhilcg1">林芝市</a>、朗縣、<a href="http://yy4080ys.com/milinlcg1">米林縣</a>、<a href="http://yy4080ys.com/motuolcg1">墨脫縣</a>、<a href="http://yy4080ys.com/bomilcg1">波密縣</a>、<a href="http://yy4080ys.com/chayulcg1">察隅縣</a></span>。西藏自治區(qū),林芝地區(qū),朗縣朗縣，隸屬西藏自治區(qū)林芝市，朗縣位于林芝市西南部，東經(jīng)92°28′，北緯28°40′～29°29′之間，地域面積約4200平方公里。朗縣為青藏高原區(qū)氣候，屬溫暖半濕潤(rùn)氣候帶。截至2023年，郎縣轄3個(gè)鎮(zhèn)、3個(gè)鄉(xiāng)。根據(jù)第七次人口普查數(shù)據(jù)，截至2020年11月1日零時(shí)，朗縣常住人口為17648人。 </div> <p> <div id="is2ukaa" class="ty-tips1212">無(wú)需繁瑣的文字描述，觀看我們的視頻，讓現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰井a(chǎn)品一覽無(wú)余！</div><p><video id='pmp4' width='' class='pmp4' height='auto' controls controlsList='nodownload' type='video/mp4' preload='none' src="http://img.cjjhb.com/pub_soft/134/1196_10.mp4" poster='http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220123538546.jpg' ></video><br></p><div id="kgksyek" class="ty-tips1212">以下是:林芝朗縣現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰镜膱D文介紹 </div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220124209042.jpg" title="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?><br></p><div id="s20ym2m" class="khcont1">20#和45#鋼的c、Si、Mn、P、S含量不同，45要高于20#鋼，你可以買(mǎi)本鋼材只是手冊(cè)看一下。20#鋼淬透性、淬硬性低、塑性、韌性、焊接性好，熱軋或正火后韌性更好，可制作不太重要的中、小型滲碳、碳氮共滲件、鍛壓件，如杠桿軸、變速箱變速叉、齒輪，重型機(jī)械拉桿、鉤環(huán)等。45#鋼是常用中碳調(diào)質(zhì)鋼，綜合力學(xué)性能良好，淬透性低，水淬時(shí)易生裂紋。小型件宜采用調(diào)質(zhì)處理，大型件宜采用正火處理，主要用于制造強(qiáng)度高的運(yùn)動(dòng)件，如透平機(jī)葉輪、壓縮機(jī)活塞。軸、齒輪、齒條、蝸桿等。它們通常適用無(wú)縫鋼管的材質(zhì)，無(wú)縫鋼管又分為GB816GB8163這兩個(gè)常用的，但45#鋼只有GB8162才有，45#是機(jī)械加工的一種常用鋼管材質(zhì)。普通冷拔無(wú)縫鋼管與精軋無(wú)縫鋼管的區(qū)別在于普通無(wú)縫鋼管主要特點(diǎn)是無(wú)焊接縫，可承受較大的壓力。產(chǎn)品可以是很粗糙的鑄態(tài)或冷撥件，適合用于機(jī)械加工，流體管道。精密鋼管是近幾年出現(xiàn)的產(chǎn)品，主要是內(nèi)孔、外壁尺寸有嚴(yán)格的公差及粗糙度，外表光亮，但的一個(gè)缺點(diǎn)是不可以握彎，解決方法后退火但是退火后就不會(huì)發(fā)光了但是壁厚公差還可以保證。 </div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220124191278.jpg" title="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220124154016.jpg" title="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?><br></p><div id="2wewk02" class="khcont">從行業(yè)現(xiàn)狀可知，我國(guó)長(zhǎng)期以來(lái)走無(wú)縫鋼管發(fā)展之路，造就了一個(gè)“無(wú)縫鋼管大國(guó)”，在技術(shù)思路上似乎走了彎路，進(jìn)人了誤區(qū)?！肮艿拦こ探ㄔO(shè)所用的管材，經(jīng)過(guò)數(shù)年的努力，從無(wú)縫，到螺旋縫，到中直縫，走過(guò)了漫長(zhǎng)的道路”，“大量使用無(wú)縫鋼管，甚至大量進(jìn)口，外國(guó)人對(duì)此都表示難以理解”。為什么外國(guó)人對(duì)中國(guó)“大量使用無(wú)縫管難以理解”就是因?yàn)閲?guó)外早已用焊管來(lái)取代大部份用途的無(wú)縫管。中國(guó)本來(lái)是沿襲無(wú)縫鋼管發(fā)展的模式，而70年代后已經(jīng)將無(wú)縫管的比例下調(diào)到44％,可為什么我國(guó)一直照老路走下去呢?頗令人反思究其原因主要是舊計(jì)劃經(jīng)濟(jì)體制不計(jì)成本，不求效益，思想禁錮、慣性思維、缺乏創(chuàng)新意識(shí)。不見(jiàn)曾經(jīng)有人對(duì)焊管技術(shù)不理解、不放心，對(duì)焊管“無(wú)縫化”這個(gè)術(shù)語(yǔ)采取令，實(shí)際上焊管技術(shù)在不斷發(fā)展，“無(wú)縫化”的程度在不斷提高。中國(guó)鋼管業(yè)的重大變化發(fā)生在改革開(kāi)放以后。隨著的解體、“冷戰(zhàn)”局面的告終，西方先進(jìn)技術(shù)源源不斷傳人中國(guó)，比較先進(jìn)的直縫焊管技術(shù)在80年代至90年代陸續(xù)登陸中國(guó)，石油石化行業(yè)率先推界到管道應(yīng)用。原中國(guó)石油天然氣總公司于1991年3月11日以(91)中油物字第173號(hào)文下發(fā)了《關(guān)于推廣使用無(wú)縫化鋼管替代無(wú)縫鋼管的通知》的紅頭文件，用行政方式來(lái)加以推廣。 </div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220124084744.jpg" title="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220124057888.jpg" title="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220124004598.jpg" title="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?><br></p><div id="acw0246" class="khcont3"><p class="typys"><span id="is8kqa2" class="tycsgsmz11">林芝朗縣眾順?shù)摬挠邢薰?/span>位于開(kāi)發(fā)區(qū)匯通物流園。公司自成立以來(lái)，遵照可持續(xù)發(fā)展戰(zhàn)略，依靠自身雄厚的技術(shù)力量和“誠(chéng)信為本”的商業(yè)理念，運(yùn)用先進(jìn)的科技成果，秉承“予天空于藍(lán)天，還于清新”的經(jīng)營(yíng)宗旨，日臻完善產(chǎn)品的研發(fā)制造、銷(xiāo)售服務(wù)網(wǎng)絡(luò)。服務(wù)于環(huán)保事業(yè)。公司主要產(chǎn)品有：<span id="gqiagkc" class="tycsgjc11"> 厚壁無(wú)縫鋼管廠</span>，公司成立至今，積累了豐富管理經(jīng)驗(yàn)，建立了良好的社會(huì)信譽(yù)。<span id="4sm6e2k" class="tycsgsmz11">林芝朗縣眾順?shù)摬挠邢薰?/span>始終以卓越的技術(shù)，優(yōu)越的性?xún)r(jià)比，完善的售后服務(wù)，給客戶(hù)帶來(lái)解決方案。</p></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220123584411.jpg" title="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220123538546.jpg" title="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?><br></p><div id="qiekuk4" class="khcont5">力學(xué)分析只是其中一個(gè)重要方面，但不是全部。無(wú)縫化鋼管無(wú)縫化鋼管設(shè)備方面要適應(yīng)我國(guó)天然氣工業(yè)的發(fā)展，技術(shù)改造應(yīng)當(dāng)作為重點(diǎn)，例如預(yù)精焊、擴(kuò)徑等，同時(shí)，由于國(guó)內(nèi)競(jìng)爭(zhēng)已大大飽和，不宜再建新的生產(chǎn)線。無(wú)縫鋼管關(guān)于焊管“無(wú)縫化”工藝的解讀西方工業(yè)發(fā)達(dá)的產(chǎn)鋼大國(guó)焊管取代無(wú)縫管的個(gè)階段之所以是70年代，同焊管“無(wú)縫化”技術(shù)的成熟有關(guān)系。焊管能在質(zhì)量上優(yōu)于無(wú)縫管，主要是70年代冶金技術(shù)的發(fā)展使熱軋板卷可以作為焊管的質(zhì)優(yōu)、價(jià)廉、充足的原料，電子計(jì)算機(jī)技術(shù)的發(fā)展使焊管工藝可以全線連續(xù)自動(dòng)，在線熱處理技術(shù)的發(fā)展使焊管在焊接后中頻退火處理、自動(dòng)無(wú)損檢測(cè)技術(shù)的發(fā)展可以對(duì)焊縫和母材進(jìn)行質(zhì)量檢查，保證，從而使客戶(hù)放心使用而無(wú)后顧之優(yōu)。焊管的核心技術(shù)是“無(wú)縫化”，對(duì)此，即便學(xué)術(shù)界專(zhuān)業(yè)人士仍然心存疑慮。焊管“無(wú)縫化”的含義焊管和無(wú)縫管相比，的區(qū)別是焊管有一道焊縫。由于有了焊縫，使外形凸出高于母材很多，明顯地看出了“縫”;同時(shí)，內(nèi)部物理性質(zhì)上也產(chǎn)生了變化。如果能夠在這兩個(gè)方面—外在與內(nèi)在，都能使焊縫與母材相同、相近或者相等母材性能，等同于無(wú)縫，這就是“無(wú)縫化”的含義?！盁o(wú)縫化”的兩個(gè)方面無(wú)縫化鋼管無(wú)縫化鋼管知識(shí)解釋如上所述，焊管無(wú)縫化包含兩個(gè)方面的內(nèi)涵，幾何無(wú)縫化，使焊縫余高盡可能小;物理無(wú)縫化，使焊縫(包括周?chē)鸁嵊绊憛^(qū))的物理性能趨于與母材一致焊管的幾何無(wú)縫化光滑地掉焊縫處因擠壓焊接后所形成的外毛刺和內(nèi)毛刺，使焊管在幾何外形上幾乎看不到焊縫。 </div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220123500518.jpg" title="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220123446345.jpg" title="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/134/1196/202402220123403921.jpg" title="現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?><br></p><div id="imy2ag4" class=imgtipsbox>點(diǎn)擊查看眾順?shù)摬?林芝市朗縣分公司)的<a href="/langxianlcg1/picture.html"><span id="ck6uaqm" class=imgtips>【產(chǎn)品相冊(cè)庫(kù)】</span></a>以及我們的<a href="/langxianlcg1/video.html"><span id="ic2ww2q" class=videotips>【產(chǎn)品視頻庫(kù)】</span></a></div> </p> <hr> <div id="qguygoi" class="cont-tips">選購(gòu)<span id="4cc0mwu" class="tybt4">現(xiàn)貨供應(yīng)_無(wú)縫管品牌:眾順?shù)摬挠邢薰?/span>來(lái)林芝市朗縣找<span id="u6wywwy" 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