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clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_guanjianbi/">管件</a>?<a href="http://www.cdcfah.com/cp/third-guanjianbi_qtgjrx/">其他管件</a>?廣東大小頭直銷推薦咨詢河北長洪管業(yè)供應(yīng)</p><div id="3evf2by" class="leftbox clearfix"><h1>廣東大小頭直銷推薦咨詢河北長洪管業(yè)供應(yīng)</h1><div id="8xe23yl" class="proBig"><div id="iumbxby" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/6/25/18/636970839243737809_jiazong01_2528311.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nsu3ypm" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/6/25/18/636970839243737809_jiazong01_2528311.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="crj432d" 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>河北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廣東大小頭直銷</p><p><span>***更新：</span>2020-06-21 01:18:40</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8fxm33t" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">河北長洪管業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>賈世豪</p><p><span>郵箱: </span>2047452166@qq.com</p><p><span>電話: </span>17363075791</p><p><span>傳真: </span>0317_5538516</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0317-5538516</p><p><span>地址: </span>河北省滄州市孟村回族自治縣孟村鎮(zhèn)二街</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="pj3tdpr" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3vch3ov" class="box"><p><p style="text-indent:25px">不銹鋼大小頭變徑管報(bào)價(jià)-潤鵬管道大小頭的出產(chǎn)基本都是以壓制為主，可是壓制的過程會(huì)使得鋼材的硬度和密度變大，然而假如不通過加熱的話，就會(huì)很容易發(fā)生裂紋。 <p> 異徑管reducer又稱大小頭、異徑管、異徑直通?；す芗?，用于兩種不同管徑的管道之間的銜接。大小頭焊后硬化性較大，容易發(fā)生裂紋。大小頭出產(chǎn)工藝簡單，出產(chǎn)效率高，成本低，發(fā)展較快。大小頭出產(chǎn)的首要原材料在大小頭出產(chǎn)成本中占有很大比例，其價(jià)格的改變直接影響大小頭出產(chǎn)成本的改變。若選用同類型的不銹鋼沖壓彎頭焊接，有必要進(jìn)行300℃以上的預(yù)熱和焊后700℃左右的緩冷處理。若焊件不能進(jìn)行焊后熱處理，廣東大小頭直銷，則應(yīng)選用大小頭焊條。跟著世界經(jīng)濟(jì)的不斷發(fā)展，廣東大小頭直銷，收入水平的不斷提高，我們方針面向世界先進(jìn)的建筑業(yè)及船舶業(yè)等相關(guān)行業(yè)，廣東大小頭直銷。大小頭以銜接收件為主，在這一產(chǎn)品的發(fā)展范疇能夠擔(dān)任重?fù)?dān)，具備世界前列技術(shù)水平而啟航。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東大小頭直銷" src="http://tyunfile.71360.com/UpLoadFile/2019/6/25/18/636970839243737809_jiazong01_2528311.jpg"></div><p style="text-indent:25px">管件簡介大小頭reducer又稱大小頭、、異徑直通?；ぶ?，用于兩種不同管徑的管道之間的連接。依照形狀的不同，分為同心大小頭和兩種。大小頭原料包括不銹鋼大小頭(，，大小頭的原料有20號鋼、Q235、Q345、16Mn等。大小頭規(guī)范國標(biāo)美標(biāo)英標(biāo)以及各種非標(biāo)產(chǎn)品。電力部規(guī)范GD0506~0507壓力容器配套的法蘭、管板相應(yīng)規(guī)范:NB/T 履行國（guo）家標(biāo)降幅為20.20%。7月10日，國產(chǎn)鐵礦石65%檔次干基鐵精礦含稅價(jià)格為858.55元/噸，環(huán)比每噸上升14.46元，升幅為1.71%；當(dāng)月平均價(jià)格為842.76元/噸?！?】凡"來源：中國冶金報(bào)—中國鋼鐵"的所有著作，于中國鋼鐵。媒體轉(zhuǎn)載、本網(wǎng)所刊著作時(shí)，需經(jīng)文面授權(quán)。轉(zhuǎn)載時(shí)需注明來源于《中國冶金報(bào)—中國鋼鐵》及作者姓名。違反上述聲明者，本網(wǎng)將追究其相關(guān)法令責(zé)任?！?】凡"來源：XXX（非中國鋼鐵）"的著作，均轉(zhuǎn)載自其它媒體，轉(zhuǎn)載目的在于傳遞更多信息，并不**本網(wǎng)贊同其觀念，不構(gòu)成投資建議?！?】如果您對新聞發(fā)表評論，請遵守國（guo）家相關(guān)法令、法規(guī)，尊重網(wǎng)上品德，并承當(dāng)一切因您的行為而直接或間接引起的法令責(zé)任?！?】如因著作內(nèi)容、和其它問題需要同本網(wǎng)聯(lián)系的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東大小頭直銷" src="http://tyunfile.71360.com/UpLoadFile/2019/6/27/9/636972260272426339_jiazong01_4843687.jpg"></div><p style="text-indent:25px">按照形狀的不同，分為同心大小頭和偏疼大小頭兩種。大小頭原料包含不銹鋼大小頭(合金鋼，碳鋼大小頭，大小頭的原料有20號鋼、QQ16Mn等。大小頭規(guī)范國標(biāo)美標(biāo)英標(biāo)以及各種非標(biāo)產(chǎn)品。電力部規(guī)范GD0506~0507壓力容器配套的法蘭、管板相應(yīng)規(guī)范：JB/T執(zhí)行國（guo）家規(guī)范（GB/T9112-2000），機(jī)械部規(guī)范（JB/T81-1959，JB/T74-1994），石化部規(guī)范（SH3406-1996），船用規(guī)范GB/T、化工部規(guī)范（HG/T5010-1958。HG/T）等等。出口鍛鋼法蘭原料契合美國的ASTMA105規(guī)范。各種原料都有各自的硬度和抗拉強(qiáng)度等特色，所以決議了每一種原料的限制力度也是不一樣的，同樣型號的大小頭，原料不一樣加工方法和程序也會(huì)相差很大，比如說普通碳鋼的大小頭經(jīng)過3次熱處理就會(huì)成型，然而關(guān)于合金原料的大小頭硬度越大限制的次數(shù)和加熱的次數(shù)也就越多，成型的過程也越雜亂。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/331980.html</p></div></div></div></div></div><div id="2cja2i3" class="page-right twoColRt"><div id="8ce2hy3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cbdf2xt" 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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