廣西彎頭國家標(biāo)準(zhǔn) 誠信服務(wù) 河北長洪管業(yè)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="熱推成形熱推彎頭成形工藝是采用**彎頭推制機(jī)、芯模和加熱裝置，使套在模具上的坯料在推制機(jī)的推動(dòng)下向前運(yùn)動(dòng)，廣西彎頭國家標(biāo)準(zhǔn)，廣西彎頭國家標(biāo)準(zhǔn)，在運(yùn)動(dòng)中被加熱、擴(kuò)徑并彎曲成形的過程，廣西彎頭國家標(biāo)準(zhǔn)。熱推彎頭的變形特點(diǎn)是根據(jù)金屬材料塑性變形前"><meta name="keywords" content="廣西彎頭國家標(biāo)準(zhǔn),彎頭"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/third-wjgj_guanjianbi/">管件</a>?廣西彎頭國家標(biāo)準(zhǔn) 誠信服務(wù) 河北長洪管業(yè)供應(yīng)</p><div id="ztgqmgx" class="leftbox clearfix"><h1>廣西彎頭國家標(biāo)準(zhǔn) 誠信服務(wù) 河北長洪管業(yè)供應(yīng)</h1><div id="dxu2ypr" class="proBig"><div id="3nujf48" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/9/636963623352210411_jiazong01_5661982.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cbiacws" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/9/636963623352210411_jiazong01_5661982.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hwtvxr8" 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>廣西彎頭國家標(biāo)準(zhǔn),彎頭</p><p><span>***更新：</span>2020-06-14 05:11:37</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hgyq3ub" 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="qkcz8vm" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3egifu4" class="box"><p><p style="text-indent:25px">熱推成形熱推彎頭成形工藝是采用**彎頭推制機(jī)、芯模和加熱裝置，使套在模具上的坯料在推制機(jī)的推動(dòng)下向前運(yùn)動(dòng)，廣西彎頭國家標(biāo)準(zhǔn)，廣西彎頭國家標(biāo)準(zhǔn)，在運(yùn)動(dòng)中被加熱、擴(kuò)徑并彎曲成形的過程，廣西彎頭國家標(biāo)準(zhǔn)。熱推彎頭的變形特點(diǎn)是根據(jù)金屬材料塑性變形前后體積不變的規(guī)律確定管坯直徑，所采用的管坯直徑小于彎頭直徑，通過芯模控制坯料的變形過程，使內(nèi)弧處被壓縮的金屬流動(dòng)，補(bǔ)償?shù)揭驍U(kuò)徑而減薄的其它部位，從而得到壁厚均勻的彎頭。熱推彎頭成形工藝具有外形美觀、壁厚均勻和連續(xù)作業(yè)，適于大批量生產(chǎn)的特點(diǎn)，因而成為碳鋼、合金鋼彎頭的主要成形方法，并也應(yīng)用在某些規(guī)格的不銹鋼彎頭的成形中。廣西彎頭國家標(biāo)準(zhǔn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西彎頭國家標(biāo)準(zhǔn),彎頭" src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/9/636963623352210411_jiazong01_5661982.jpg"></div><p style="text-indent:25px">若按壓力等級來分：大約有十七種，和美國的管子標(biāo)準(zhǔn)是相同的，有：Sch5s、Sch10s、Sch10、Sch20、Sch30、Sch40s、STD、Sch40、Sch60、Sch80s、XS;Sch80、SCH100、Sch120、Sch140、Sch160、XXS;其中相當(dāng)常用的是STD和XS兩種。 . . 按照不同形狀用途可以分為：溝槽式彎頭、卡套式彎頭、雙承彎頭、法蘭彎頭、異徑彎頭、呆座彎頭、內(nèi)外牙彎頭、沖壓彎頭、推制彎頭、承插彎頭、對焊彎頭、內(nèi)絲彎頭等。常規(guī)分類可曲撓彎頭卡套式彎頭帶邊彎頭快裝彎頭帶座彎頭法蘭彎頭 180°彎頭雙承彎頭單承彎頭遼寧彎頭直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西彎頭國家標(biāo)準(zhǔn),彎頭" src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/9/636963623358923313_jiazong01_2188189.jpg"></div><p style="text-indent:25px">標(biāo)準(zhǔn) 標(biāo)準(zhǔn)號描述 GB/T12459-2005 鋼制對焊無縫管件 GB/T13401-2005 鋼板制對焊管件 GB/T14383 鍛鋼制承插焊管件 GB/T17185-1995鋼制法蘭管件管件執(zhí)行標(biāo)準(zhǔn)之中石油標(biāo)準(zhǔn)：標(biāo)準(zhǔn)號描述 SY/T0510-1998 鋼制對焊管件 SY/T5257-2004 鋼制彎管 02S403 鋼制管件建筑標(biāo)準(zhǔn) 船用標(biāo)準(zhǔn) GB/T10752-1995船用鋼管對焊接頭 CB/T3590-94 鋁黃銅彎頭工藝流程編輯無縫彎頭:彎頭是用于管道轉(zhuǎn)彎處的一種管件。在管道系統(tǒng)所使用的全部管件中，所占比例比較大，約為80%。通常，對不同材料或壁厚的彎頭選擇不同的成形工藝。制造廠常用的無縫彎頭成形工藝有熱推、沖壓、擠壓等。</p><p style="text-indent:25px">技術(shù)要求 1、由于管件大多數(shù)用于焊接，為了提高焊接質(zhì)量，端部都車成坡口，留一定的角度，帶一定的邊，這一項(xiàng)要求也比較嚴(yán)，邊多厚，角度為多少和偏差范圍都有規(guī)定。表面質(zhì)量和機(jī)械性能基本和管子是一樣的。為了焊接方便，管件與被連接的管子的鋼種是相同的。　　2、就是所有的管件都要經(jīng)過表面處理，把內(nèi)外表面的氧化鐵皮通過噴丸處理噴掉，再涂上防腐漆。這是為了出口需要，再者，在國內(nèi)也是為了方便運(yùn)輸防止銹蝕氧化，都要做這方面的工作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西彎頭國家標(biāo)準(zhǔn),彎頭" src="http://tyunfile.71360.com/UpLoadFile/2019/6/17/9/636963623353771551_jiazong01_2824179.jpg"></div><p style="text-indent:25px">承插彎頭異徑彎頭?無縫彎頭?對焊彎頭 90°彎頭45°彎頭組合三通內(nèi)螺紋彎頭沖壓彎頭、推制彎頭、高壓彎頭耐磨彎頭、機(jī)械彎頭法蘭式彎頭溝槽式彎頭立體彎頭外螺紋彎頭螺紋彎頭 **彎頭防水彎頭標(biāo)準(zhǔn) 編輯日本標(biāo)準(zhǔn) 標(biāo)準(zhǔn)號描述 JIS B2311 通用鋼制對焊管件 JIS B2312 鋼制對焊管件 JIS B2313鋼板制對焊管件 JIS B2316 鋼制承插焊管件管件執(zhí)行標(biāo)準(zhǔn)之美國標(biāo)準(zhǔn)：標(biāo)準(zhǔn)號描述 ASME/ANSI B16.9 工廠制造的鍛鋼對焊管件 ASME/ANSI B16.11 承插焊和螺紋鍛造管件 ASME/ANSI B16.28 鋼制對焊小半徑彎頭和回頭彎 ASME B16.5 管法蘭和法蘭配件廣東彎頭國標(biāo)</p><p style="text-indent:25px">廣西彎頭國家標(biāo)準(zhǔn)</p><p style="text-indent:25px">中國日用五金業(yè)跨入世界前列。中國逐步成為世界五金加工大國和出口大國。我國已成為世界五金生產(chǎn)大國之一，擁有廣闊的市場和消費(fèi)潛力。目前中國五金銷售產(chǎn)業(yè)中至少有70%為民營企業(yè)，為中國五金行業(yè)發(fā)展的主力軍。我國五金工具行業(yè)歷經(jīng)30多年發(fā)展，[ "帶頸對焊法蘭", "長半徑彎頭", "變徑三通", "法蘭蓋" ]在世界上占有突出地位，已成為全球工具產(chǎn)品的生產(chǎn)和銷售大國。行業(yè)銷售額超過1000億元，出口超過140億美元。五金市場未來的前景將從粗放型向集約型發(fā)展。生產(chǎn)型、規(guī)模化將是專業(yè)化五金市場的發(fā)展方向，未來專業(yè)化五金市場將顯示出不可抗拒的發(fā)展勢頭。面對嚴(yán)峻的宏觀經(jīng)濟(jì),中國[ "帶頸對焊法蘭", "長半徑彎頭", "變徑三通", "法蘭蓋" ]產(chǎn)業(yè)積極探索,對比國際產(chǎn)業(yè)的發(fā)展和中國五金工具產(chǎn)業(yè)的現(xiàn)狀,五金企業(yè)只有適應(yīng)市場,參與國際競爭,瞄準(zhǔn)世界先進(jìn),積極調(diào)整產(chǎn)品結(jié)構(gòu),拓展競爭空間,才是中國五金工具發(fā)展之路。廣西彎頭國家標(biāo)準(zhǔn)</p><p style="text-indent:25px">河北長洪管業(yè)有限公司坐落河北省滄州市孟村回族自治縣孟村鎮(zhèn)二街，交通便利，環(huán)境優(yōu)美，是一家生產(chǎn)型企業(yè)。公司致力于為客戶提供安全、質(zhì)量有保障的質(zhì)量產(chǎn)品及服務(wù)，是一家有限責(zé)任公司企業(yè)。公司始終堅(jiān)持客戶需求***的原則，致力于提供高質(zhì)量的[ "帶頸對焊法蘭", "長半徑彎頭", "變徑三通", "法蘭蓋" ]。長洪管業(yè)供應(yīng)順應(yīng)時(shí)代發(fā)展和市場需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的[ "帶頸對焊法蘭", "長半徑彎頭", "變徑三通", "法蘭蓋" ]。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/252570.html</p></div></div></div></div></div><div id="nholdhl" class="page-right twoColRt"><div id="odfhzgf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gvceq8r" 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" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="crtlseb" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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