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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bbmobn3" 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>河南冷拔異型鋼報(bào)價(jià)</p><p><span>***更新：</span>2020-06-05 11:13:07</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="gu7kgcw" 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(jī)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(jī): </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="jd2n7jl" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zoaxjvh" class="box"><p><p> 冷拔圓鋼精度高，機(jī)械性能高，不經(jīng)加工就可以使用，在金屬加工制造業(yè)中比較受歡迎的鋼材。它與另一種常見的鋼材冷軋圓鋼在處理工藝有什么不同呢？<span style="font-size:12px;">冷拔圓鋼是將光圓鋼筋通過硬質(zhì)合金拔絲?？讖?qiáng)行拉拔。冷拔作用比純拉伸的作用強(qiáng)烈，鋼筋不僅受拉，而且同時(shí)受到</span><span style="font-size:12px;">擠壓作用。經(jīng)過一次或多次的冷拔后得到的冷拔低碳鋼絲，河南冷拔異型鋼報(bào)價(jià)，其屈服點(diǎn)可提高40%~60%，但失去軟鋼的塑性和韌性，而具有硬鋼的特點(diǎn)。<span></span></span><span style="font-size:12px;">冷軋，是將圓鋼在冷軋機(jī)上軋成斷面形狀規(guī)則的鋼筋，可提高其強(qiáng)度及與混凝土的粘接力，河南冷拔異型鋼報(bào)價(jià)。鋼筋在冷軋時(shí)，河南冷拔異型鋼報(bào)價(jià)，縱向與橫向同時(shí)產(chǎn)生變形，因而能較好地保持其塑性和內(nèi)部結(jié)構(gòu)均勻性。</span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南冷拔異型鋼報(bào)價(jià)" src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145249120342692/6371452491203426922872009.jpg"></div><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(yùn)送毛坯的方法以及加熱爐與鍛壓設(shè)備之間距離的遠(yuǎn)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(diǎn)低100-150℃，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(diǎn)150-200℃。另外碳含量對(duì)鋼的鍛造上限溫度具有重要的影響，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="河南冷拔異型鋼報(bào)價(jià)" src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248626331100/6371452486263311009149441.png"></div><p> 冷拉圓鋼是采用冷拉工藝生產(chǎn)的一種鋼材，但在這一過程中，嚴(yán)格遵守相應(yīng)的操作規(guī)程，否則容易發(fā)生***。通常在冷拔之前，需要設(shè)置擋板以達(dá)到保護(hù)的目的。如果沒有擋板，卷揚(yáng)機(jī)和冷拉方向可保持90度，并應(yīng)使用封閉式導(dǎo)**作時(shí)，康弘機(jī)械工作人員應(yīng)站在防護(hù)擋板后面，以防圓鋼冷拉時(shí)碎片彈出。此外，還對(duì)設(shè)備進(jìn)行檢查，以避免發(fā)生狀況。冷拉圓鋼成型后，為保證質(zhì)量，保證其表面光滑。這樣可以防止異物附著，從而降低腐蝕的可能性。因此，對(duì)冷拉鋼圓鋼進(jìn)行表面處理，使其在使用中保持清潔是十分要的。 </p><div 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