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class="home-main container clearfix"><div id="jh75plx" class="twoCol"><div id="flx5xth" class="page-proshow 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-_yjkc/">冶金礦產(chǎn)</a>?<a href="http://www.cdcfah.com/cp/second-yjkc_gangcai/">鋼材</a>?<a href="http://www.cdcfah.com/cp/third-gangcai_xingcai/">型材</a>?新鄉(xiāng)冷拔鋼經(jīng)銷商康弘供</p><div id="lbfrb5p" class="leftbox clearfix"><h1>新鄉(xiāng)冷拔鋼經(jīng)銷商康弘供</h1><div id="7hvblhd" class="proBig"><div id="tnlpdz3" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248776682184/6371452487766821848108873.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="txtzvrd" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248776682184/6371452487766821848108873.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dbpdj5p" 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>河南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>新鄉(xiāng)冷拔鋼經(jīng)銷商</p><p><span>***更新：</span>2020-05-23 00:43:03</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="thdh333" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新鄉(xiāng)市康弘機械有限公司</a></p><p><span>聯(lián)系人：</span>朱經(jīng)理</p><p><span>郵箱: </span>xxkhjx@163.com</p><p><span>電話: </span>15893889818</p><p><span>傳真: </span>0373_5438268</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0373-5439888</p><p><span>地址: </span>合河鄉(xiāng)東北永康村</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="1rd7rhn" class="page-proshow02"><p class="title">詳細說明</p><div id="zn31zhd" class="box"><p><p style="text-indent:25px">一般情況下，將冷拉方鋼始鍛溫度理解為鋼或合金在加熱爐內(nèi)允許的高加熱溫度。一般情況下，從加熱爐內(nèi)取出毛坯送到鍛壓設(shè)備上開始鍛造之前，根據(jù)毛坯的大小、運送毛坯的方法以及加熱爐與鍛壓設(shè)備之間距離的遠近，毛坯有幾度到幾十度的溫降。也就是說，冷拉方鋼真正開始鍛造的溫度是稍低的，所以在始鍛之前，應(yīng)盡量減小毛坯的溫降。由于鋼的過燒溫度約比熔點低100-150℃，新鄉(xiāng)冷拔鋼經(jīng)銷商，過熱溫度又比過燒溫度低約50℃，所以鋼的始鍛溫度一般應(yīng)低于熔點150-200℃。另外碳含量對鋼的鍛造上限溫度具有重要的影響，新鄉(xiāng)冷拔鋼經(jīng)銷商，新鄉(xiāng)冷拔鋼經(jīng)銷商，使得冷拉方鋼的始鍛溫度隨含碳量的增加而降低，因此通常始鍛溫度隨含碳量的增加降低得更多，要控制原料中的碳含量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新鄉(xiāng)冷拔鋼經(jīng)銷商" src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248776682184/6371452487766821848108873.jpg"></div><p style="text-indent:25px">介紹軸承鋼的幾點基本要求：嚴(yán)格的碳化物不均勻性要求。鋼材如果出現(xiàn)嚴(yán)重的碳化物分布不均勻，則在熱處理加工過程中就容易造成zu織和硬度的不均勻，其不均勻性對接觸疲勞強度有較大的影響。另外，嚴(yán)重的碳化物不均勻性還容易使軸承零件在淬火冷卻時產(chǎn)生裂紋，碳化物不均勻性還會導(dǎo)致軸承的壽命降低因此，在軸承材料標(biāo)準(zhǔn)中，對不同規(guī)格的鋼材均有明確的特別要求。了解之后，我們反過頭再看冷拔圓鋼。這種鋼材具有良好的尺寸穩(wěn)定性，同時冷、熱加工性能好，不管是彈性還是韌性或者是耐磨性都能夠滿足軸承鋼的加工要求，因此這種鋼材可以作為軸承鋼使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新鄉(xiāng)冷拔鋼經(jīng)銷商" src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248725503189/6371452487255031898650876.jpg"></div><p> 康弘機械冷拔圓鋼的生產(chǎn)加工類型有哪幾種？冷拔圓鋼的生產(chǎn)加工類型主要分熱軋、鍛制和冷拉三種。熱軋圓鋼的直徑為５～２５０ｍｍ，其中直徑５～９ｍｍ的常用做拉拔鋼絲的原料。因此稱為線材，由于它一般是成盤供貨的，所以也叫熱軋盤條。鍛制圓鋼的直徑比較大，一般用做軸坯。冷拔圓鋼直徑為３～１００ｍｍ，尺寸的準(zhǔn)確度要求較高。按含碳量與相應(yīng)的用途，進出口的冷拔圓鋼材料可分為兩類：低碳圓鋼及中碳。低碳主要是用于拔絲，鍛造鉚釘、螺栓、螺母等諸多金屬制品的原材料。中碳圓鋼及方鋼一般用于制作機械結(jié)構(gòu)件。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新鄉(xiāng)冷拔鋼經(jīng)銷商" 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