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href="http://www.cdcfah.com/cp/third-jxjxysb_hggdjpjxs/">化工管道及配件</a>?烏魯木齊球墨鑄鐵管廠家直供錦宏皓供應(yīng)</p><div id="qefr8u3" class="leftbox clearfix"><h1>烏魯木齊球墨鑄鐵管廠家直供錦宏皓供應(yīng)</h1><div id="sqhnm8v" class="proBig"><div id="3ntkwxd" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543324807335/6369595433248073359988493.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qyzlmij" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543324807335/6369595433248073359988493.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="guabstk" 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>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>烏魯木齊球墨鑄鐵管廠家直供</p><p><span>***更新：</span>2020-06-20 14:19:05</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="p8bbxok" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆錦宏皓商貿(mào)有限公司</a></p><p><span>聯(lián)系人：</span>閆會(huì)平</p><p><span>郵箱: </span>896446354@qq.com</p><p><span>電話: </span>13999253221</p><p><span>傳真: </span>0991_6885581</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0991-6868255</p><p><span>地址: </span>新疆烏魯木齊市米東區(qū)米東南路西三巷1151號(hào)華凌建材進(jìn)出口基地鋼材區(qū)25棟26號(hào)商鋪</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="8bnevwh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="iqws8ra" class="box"><p><p> 石墨伸出殼外而畸形長大，形成非球狀石墨。(5)溫度:若鐵液溫度過高，鐵液氧化嚴(yán)重，由于鎂與稀土易與氧化物產(chǎn)生還原反應(yīng)，而使得鎂、稀土含量降低，同時(shí)高溫也將增加鎂的燒損和蒸發(fā)；鐵液溫度太低，球化劑不能熔化和被鐵液吸收，而上浮至鐵液表面燃燒或被氧化。(6)滯留時(shí)間：鐵液中鎂的含量是隨孕育處理后停留時(shí)間的增加而減少，其主要原因是因硫及鎂，烏魯木齊球墨鑄鐵管廠家直供、稀土的氧化與蒸發(fā)造成的。一般情況下，滯留時(shí)間不超過20min。(7)澆冒口：澆冒口若設(shè)計(jì)不合理，會(huì)產(chǎn)生澆注時(shí)間太長、鐵液飛濺以及卷入空氣，使鎂、稀土氧化嚴(yán)重。(1)嚴(yán)格控制鐵液成分：選擇合適的碳當(dāng)量；鐵液中的含硫量應(yīng)小于008%(其中生鐵含硫不得大于003%，焦碳含硫不得大于008%)，可采用小蘇打進(jìn)行脫硫。(2)加入足夠的球化劑，一般為～；此外應(yīng)注意球化劑的質(zhì)量，若球化劑破碎后使用，放置時(shí)間不得超過一周。處理后的球鐵鐵液中稀土鎂的殘留量不應(yīng)過低，Ｍｇ殘>002%，ＲＥ殘>002%。(3)合理設(shè)計(jì)鑄件結(jié)構(gòu),避免壁厚過大，烏魯木齊球墨鑄鐵管廠家直供，也可在壁厚處加冷鐵以提高凝固速度，縮短液態(tài)時(shí)間，從而防止球化衰退及不良。(4)注意處理溫度，烏魯木齊球墨鑄鐵管廠家直供。出爐溫度應(yīng)低于1460℃，以防球化劑嚴(yán)重?zé)龘p；要防止高溫下的氧化現(xiàn)象，蓋好覆蓋球化劑的鐵板。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊球墨鑄鐵管廠家直供" src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543324807335/6369595433248073359988493.jpg"></div><p style="text-indent:25px">球墨鑄鐵管是鑄鐵管的一種,球墨鑄鐵管是指使用18號(hào)以上的鑄造鐵水經(jīng)添加球化劑后，經(jīng)過離心球墨鑄鐵機(jī)高速離心鑄造成的管材，簡稱為球管、球鐵管和球墨鑄管等。主要用于自來水的輸送，是自來水管道理想的選擇用料。。質(zhì)量上要求鑄鐵管的球化等級(jí)控制為1-3級(jí)(球化率》80%)，因而材料本身的機(jī)械性球墨鑄鐵管成品庫能得到了較好的改善，具有鐵的本質(zhì)、鋼的性能。退火后的球墨鑄鐵管，其金相組織為鐵素體加少量珠光體，機(jī)械性能良好，防腐性能優(yōu)異、延展性能好，密封效果好，安裝簡易、主要用于市政、工礦企業(yè)給水、輸氣，輸油等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊球墨鑄鐵管廠家直供" src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636973165956074490/6369731659560744903324287.jpg"></div><p style="text-indent:25px">新疆錦宏皓商貿(mào)有限公司堅(jiān)持“以人為本”的企業(yè)理念，擁有一支專業(yè)的員工隊(duì)伍，力求提供更好的產(chǎn)品和服務(wù)回饋社會(huì)，并歡迎廣大新老客戶光臨惠顧，真誠合作、共創(chuàng)美好未來。錦宏皓商貿(mào)——您可信賴的朋友，公司地址：新疆烏魯木齊市米東區(qū)米東南路西三巷1151號(hào)華凌建材進(jìn)出口基地鋼材區(qū)25棟26號(hào)商鋪。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/326828.html</p></div></div></div></div></div><div id="wlhyuqh" class="page-right twoColRt"><div id="3qr8lhd" class="box01 margin10 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