供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)當(dāng)?shù)毓?/title> <meta name="description" content="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì),功誠鋼管制造(延安市分公司)專業(yè)從事供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì),聯(lián)系人:姜培功,電話:【0527-88266888】、【17768165506】,以下是供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)的詳細(xì)頁面。" /> <meta name="keywords" content="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)" /> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <meta name="applicable-device" content="pc,mobile"> <link rel="shortcut icon" href="/images/favicon.ico" /> <link href="/css/style2.css" type="text/css" rel="stylesheet" /> <link href="/css/showmsg.css" type="text/css" rel="stylesheet"> <link rel="stylesheet" href="http://cdn.cjjhb.com/login/zhuceandkefu.css"> <link rel="stylesheet" href="http://www.yy4080ys.com/css/aicont1216.css"> <meta name="location" content="province=陜西省;city=延安"> <meta http-equiv="Cache-Control" 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id="i0q1l"></form></address></div> <div id="eysayba" class="all_head"> <div id="baglbae" class="all_head_left"> <a href="http://www.yy4080ys.com"> <img alt="北極信息港" src="/images/logo.png" /> </a> </div> <div id="nbl830m" 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="a4liw9r" class="w960"> <div class="0nfu9fp" id="Tab1" style="float:right"> <div id="tstbirz" 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="oam5ytt" class="Contentbox"> <ul> <li id="rmjqp5x" class="li01"> <form id="frmSchFull" onsubmit="return baidu(this)"> <span id="jtpzny3" 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="pl95y5x" id="showmsg_head"> </div> <div id="urdnri1" class="all_now_position" style="margin-top: 10px;"> 您所在的位置:<a href="http://www.yy4080ys.com">總站首頁</a> ><a href="http://www.yy4080ys.com">北極信息港</a> >供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì) </div>  <div class="vukzxml" id="showmsg">  <div class="dryd5qx" id="showmsg_left"> <div class="sgshl4d" id="showmsg_title"> <h1>供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)</h1> </div> <div id="z3kz4br" class="showmsg_contentall"> <div class="d49dh5r" id="showmsg_content_top"> </div> <div class="qjqj9m3" id="showmsg_companymsg"> <ul> <li> 公司:<strong><a href="/yanangcgz" target="_blank"> 功誠鋼管制造(延安市分公司)</a></strong> </li> <li>價(jià)格:電聯(lián)</li> <li id="lxr">聯(lián)系人:姜培功</li> <li>更新時(shí)間:2025-08-03 15:51:38<span id="nwynn9v" class="weather"> ip歸屬地：延安，天氣：多云轉(zhuǎn)陰，溫度：22-34</span> 瀏覽次數(shù):3</li> <li>所在地:延安 </li> <li>標(biāo)題:<strong><a href="#">供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)</a></strong></li> <li> 來源: <span>gcgz</span> </li> <div id="bpwlgc4" 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="e8wvxjp" class="tu"> <div id="cframvp" class="t_left1213"> <div id="buwa5t9" class="pimgbig"><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221105008700.jpg" id="pimgbig" alt="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"></div>  <div id="pyakg9d" class="playvideo"><img src="/images/play.png" /></div> <div id="tminpj4" class="pvideo"> <video id="pmp4" controls="" controlslist="nodownload" src="http://img.cjjhb.com/pub_soft/236/1466_8.mp4" type="video/mp4" preload="none"></video> </div>  <ul class="pimgsmall"> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221105008700.jpg" alt="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221105421556.jpg" alt="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221106560826.jpg" alt="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"></li> </ul> </div> </div> </div> <div class="jieoaum" id="showmsg_content"> <div id="6dndesc" class="new-cont-box new-cont-box-300"> <div id="fevzhww" class="new-info-box"> <pre> <hr> <div id="wfrqfjg" class="ty-tips1212">以下是:陜西省延安市供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)的產(chǎn)品參數(shù) </div> <div id="7zqejpb" class="newcanshubox"> 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poster='http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221106540745.jpg' ></video><br></p><div id="634rrbx" class="ty-tips1212">以下是:陜西延安供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)的圖文介紹 </div><p><p class="typys"><span id="glx4qlx" class="tycsgsmz11">陜西延安功誠鋼管制造有限公司</span>以“品質(zhì)優(yōu)先、交貨及時(shí)、誠信合作、服務(wù)完善、共銅發(fā)展”的企業(yè)文化，愿與您和您的企業(yè)一同成長發(fā)展，共創(chuàng)美好明天。感謝各界人士，廣大客戶給予的關(guān)心與支持，我司也將一如既往的以滿懷熱忱與真誠的態(tài)度期待與您的合作,竭誠為您提供完善服務(wù)，敬請垂詢!期待與您共創(chuàng)雙贏、共創(chuàng)輝煌! 我們以“品質(zhì)優(yōu)先、交貨及時(shí)、誠信合作、服務(wù)完善、共同發(fā)展的企業(yè)文化，愿與您和您的企業(yè)- -同成長發(fā)展，共創(chuàng)美好明天。感謝各界人士，廣大客戶給予的關(guān)心與支持，我司也將- -如既往的以滿懷熱忱與真誠的態(tài)度期待與您的合作,竭誠為您提供完善服務(wù)，敬請垂詢!期待與您共創(chuàng)雙贏、共創(chuàng)輝煌。</p></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221107355142.jpg" title="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221107312458.jpg" title="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"><br></p><div id="eyf9ff5" class="khcont"><p> 無縫鋼管常用材質(zhì)為10#、20#、35#、45#、20cr、40Cr、20CrMo﹑16mn﹑27simn﹑304﹑201﹑310s﹑優(yōu)質(zhì)碳素結(jié)構(gòu)鋼。 </p> <p> 無縫鋼管特點(diǎn) </p> <p> 1.外徑更小。 </p> <p> 2.精度高可做小批量生產(chǎn)。 </p> <p> 3.冷拔成品精度高，表面質(zhì)量好。 </p> <p> 4.鋼管橫面積更復(fù)雜。 </p> <p> 5.鋼管性能更優(yōu)越，金屬比較密。<br /> 10#無縫鋼管現(xiàn)貨-35#無縫鋼管規(guī)格 </p> <p> 無縫鋼管 115*3.5 10# </p> <p> 無縫鋼管 236*9 10# </p> <p> 無縫鋼管 103*4.5 10# </p> <p> 無縫鋼管 126*4 10# </p> <p> 無縫鋼管 159*4.5 10# </p> <p> 無縫鋼管 122*3.5 10# </p> <p> 無縫鋼管 107*8 10# </p> <p> 無縫鋼管 164*7 10# </p> <p> 無縫鋼管 180*4 10# </p> <p> 無縫鋼管 195*6 10# </p> <p> 無縫鋼管 47*7.5 35# </p> <p> 無縫鋼管 207*7 35# </p> <p> 無縫鋼管 113*6.5 35# </p> <p> 無縫鋼管 56*7 35# </p> <p> 無縫鋼管 79*2.5 35# </p> <p> 無縫鋼管 52*3.5 35# <br /> 無縫鋼管 122*6 35# </p> <p> 無縫鋼管 67*6 35# </p> <p> 無縫鋼管 65*8.5 35# </p> <p> 無縫鋼管 80*5 35# </p> <p> 無縫鋼管 92*8 35# </p> <p> 45#無縫鋼管定制-無縫鋼管正規(guī)企業(yè) </p> <p> 45#無縫鋼管山東功誠 27*5 45# </p> <p> 45#無縫鋼管山東功誠 83*10 45# </p> <p> 45#無縫鋼管山東功誠 32*4 45# </p> <p> 45#無縫鋼管山東功誠 37*4 45# </p> <p> 45#無縫鋼管山東功誠 45*3 45# </p> <p> 45#無縫鋼管山東功誠 40*2 45# </p> <p> 45#無縫鋼管山東功誠 60*10 45# </p> <p> 45#無縫鋼管山東功誠功誠 51*4 45# </p> <p> 45#無縫鋼管山東功誠 34*2 45# </p> <p> 45#無縫鋼管山東功誠 38*4 45# </p> <p> 45#無縫鋼管山東功誠 63*9 45# </p> <p> 45#無縫鋼管山東功誠 80*10 45# </p> <p> 45#無縫鋼管山東功誠 73*12 45# </p> <p> </p></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221107257852.jpg" title="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221107196015.jpg" title="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221107142528.jpg" title="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"><br></p><div id="5k4aav9" class="khcont5"><p> </p> <p> ●無縫鋼管化學(xué)成份： </p> <p> 碳 C ：0.10～0.15硅 Si：0.17～0.37錳 Mn：1.10～1.60* S ：≤0.035磷 P ：≤0.035鉻 Cr：0.90～1.30釩 V ：0.03～0.06鉬 Mo：0.32～0.40硼 B ：0.002～0.006 </p> <p> ●無縫鋼管力學(xué)性能： </p> <p> 抗拉強(qiáng)度 σb (MPa)：868 條件屈服強(qiáng)度 σ0.2 (MPa)：713伸長率 δ5 (%)：17伸長率 δ10 (%)：11 斷面收縮率 ψ (%)：62 沖擊韌性值 αku (J/cm2)：5 試樣尺寸：某試料 </p> <p> ●無縫鋼管熱處理規(guī)范及金相組織：熱處理規(guī)范：900℃正火，600℃回火。金相組織：回火貝氏體+少量回火索氏體。<br /> 精密管|精密不銹鋼管|精密小口徑不銹鋼管 </p> <p> 無縫鋼管低溫回火脆性合金鋼淬火得到馬氏體組織后，在250～400℃溫度范圍回火使鋼脆化，其韌性一脆性轉(zhuǎn)化溫度明顯升高。已脆化的無縫鋼管不能再用低溫回火加熱的方法，故又稱為%26ldquo;不可逆回火脆性%26rdquo;。它主要發(fā)生在合金結(jié)構(gòu)鋼和低合金超高強(qiáng)度無縫鋼管等鋼種。已脆化無縫鋼管的斷口是沿晶斷口或是沿晶和準(zhǔn)解理混合斷口。產(chǎn)生低溫回火脆性的原因，普遍認(rèn)為：(1)與滲碳體在低溫回火時(shí)以薄片狀在原奧氏體晶界析出，造成晶界脆化密切相關(guān)。(2)雜質(zhì)元素磷等在原奧氏體晶界偏聚也是造成低溫回火脆性原因之一。含磷低于0.005%的高純無縫鋼管并不產(chǎn)生低溫回火脆性。磷在火加熱時(shí)發(fā)生奧氏體晶界偏聚，淬火后保留下來。磷在原奧氏體晶界偏聚和滲碳體回火時(shí)在原奧氏體晶界析出，這兩個(gè)因素造成沿晶脆斷，促成了低溫回火脆性的發(fā)生。 </p></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221107082694.jpg" title="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221107060357.jpg" title="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"><br></p><div id="srs4dj4" class="khcont"><p> </p> <p> 無縫鋼管的熱處理是冷拔工藝流程中的重要環(huán)節(jié)。不管是未經(jīng)冷拔的毛坯管的熱處理冷拔流程中的工序間熱處理還是冷拔后的成品管的熱處理都對拔制效果及拔制后的成品管的金相組織或其物理性能指標(biāo)有重要影響。 </p> <p> 無縫鋼管的管坯如果不是處于正火及退火狀態(tài)硬度較高需要經(jīng)熱處理降低硬度、改善組織以提高其冷拔效果。冷拔后的鋼管經(jīng)過塑性變形由于發(fā)生了晶格的扭曲和晶粒的破碎拉長出現(xiàn)了加工硬化現(xiàn)象處于組織不穩(wěn)定狀態(tài)其硬度、強(qiáng)度等性能指標(biāo)提高明顯而塑性顯著下降。 </p> <p> 無縫鋼管工序間熱處理的目的就是內(nèi)部應(yīng)力降低硬度提高材料的塑性改善其再次冷拔的效果。否則在再拔制過程中由于材料塑性的下降將會(huì)導(dǎo)致拔制過程中斷管以及模具破壞的現(xiàn)象出現(xiàn)。 </p> <p> 而成品無縫鋼管的熱處理主要是內(nèi)部應(yīng)力保證其強(qiáng)度、硬度等各項(xiàng)物理性能指標(biāo)以滿足使用的要求。 </p></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221107015876.jpg" title="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221106540745.jpg" title="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/236/1466/202402221106518728.jpg" title="供應(yīng)批發(fā)無縫鋼管-優(yōu)質(zhì)"><br></p><div id="kok3fws" class=imgtipsbox>點(diǎn)擊查看功誠鋼管制造(延安市分公司)的<a 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