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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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href="http://www.cdcfah.com/cp/third-jtys_gdjtsbqc/">軌道交通設(shè)備器材</a>?新疆重軌低價資料烏魯木齊鑫圣龍鋼材供應(yīng)</p><div id="nlifhov" class="leftbox clearfix"><h1>新疆重軌低價資料烏魯木齊鑫圣龍鋼材供應(yīng)</h1><div id="bj83jln" class="proBig"><div id="ohertax" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637420027423367096/6247532.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hkcjls3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637420027423367096/6247532.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ce7w8sk" 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>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>新疆重軌低價資料,重軌</p><p><span>***更新：</span>2021-01-26 04:04:50</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="hvnkrtf" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">烏魯木齊鑫圣龍鋼材貿(mào)易有限公司</a></p><p><span>聯(lián)系人：</span>蘇曉果</p><p><span>郵箱: </span>398665957@qq.com</p><p><span>電話: </span>18140779777</p><p><span>傳真: </span>0991_2860888</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0991-2860888</p><p><span>地址: </span>烏魯木齊市頭屯河區(qū)王家溝鋼材市場A2-5-202室</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="swyvxpw" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="aoq28yv" class="box"><p><p> <p> 4檢驗規(guī)則 </p> <p> 4，新疆重軌低價資料.1 檢查和驗收 </p> <p> 鋼軌的檢查和驗收由供方技術(shù)監(jiān)督部門進(jìn)行。 </p> <p> 4.2 組批規(guī)則 </p> <p> 鋼軌應(yīng)成批檢查和驗收。每批由同一型號、同一爐罐號組成，新疆重軌低價資料。 </p> <p> 4.3 取樣數(shù)量 </p> <p> 4.3.1取樣數(shù)量按表5規(guī)定。 </p> <p> 4.3.2 制造廠若能保證抗拉強度符合本標(biāo)準(zhǔn)要求，一般可不作檢驗。但需方要求時，應(yīng)進(jìn)行拉力試驗。 </p> <p> 4.4 復(fù)驗規(guī)則與判定 </p> <p> 檢驗項目的復(fù)驗規(guī)則按GB 2101-80《型鋼驗收、包裝、標(biāo)志及質(zhì)量證明書的般規(guī)定》執(zhí)行。5包裝、標(biāo)志及質(zhì)量證明書 </p> <p> 5.1每根鋼軌的腰部應(yīng)軋上下列清晰、凸起的標(biāo)志： </p> <p> a.制造廠商標(biāo)； </p> <p> b. 型號； </p> <p> C. 制造年、月。 </p> <p> 5，新疆重軌低價資料.2每根鋼軌應(yīng)標(biāo)清鋼的牌號、熔煉號和質(zhì)量監(jiān)督部門印記。 </p> <p> 5.3鋼軌的包裝、標(biāo)志及質(zhì)量證明書除本標(biāo)準(zhǔn)的規(guī)定外，應(yīng)符合GB2101-80的相應(yīng)規(guī)定。 </p> <p> <br /> </p> 河北的重軌多少錢。。新疆重軌低價資料</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆重軌低價資料,重軌" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637420027423367096/6247532.png"></div><p> 6.2牌號和化學(xué)成分 </p> <p> 6.2.1鋼的牌號和化學(xué)成分及殘留元素(熔煉分析)應(yīng)符合表3、表4和6.2.1.1和6.2.1.2的規(guī)定。對殘留元素，若供方保證，可不做檢驗。 </p> <p> 表3牌號及化學(xué)成分 </p> <p> 化學(xué)成分。 </p> <p> 除U75V牌號中的V，U76NhRe牌號中的Nb為加入元素外，其他牌號中的Nb、V為殘留元素。表4殘留元素上限。 </p> <p> U71MnSiCu 中Cu的加入量為0.10%~0.40%。 </p> <p> 6.2.1.1.鋼水氫含量應(yīng)不大于2.5×10-<。鋼水氫含量大于2.5×10‘時應(yīng)對鋼坯或鋼軌進(jìn)行緩冷處理。若采用鋼軌的緩冷工藝，可不做鋼水氫含量檢驗。成品鋼軌的氫含量不得大于2.0×10 </p> <p> <br /> 新疆重軌低價資料伊犁的重軌多少錢。。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆重軌低價資料,重軌" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637420026603967260/3202770.png"></div><p> 鐵路用熱軋鋼軌 </p> <p> 1 范圍 </p> <p> 本標(biāo)準(zhǔn)規(guī)定了鐵路用熱軋鋼軌的術(shù)語和定義、訂貨內(nèi)容、尺寸、外形、質(zhì)量及允許偏差、技術(shù)要求、試驗方法、檢驗規(guī)則、標(biāo)志及質(zhì)量證明書、質(zhì)量保證等內(nèi)容。 </p> <p> 本標(biāo)準(zhǔn)適用于連鑄坯生產(chǎn)的時速160 km及以下熱軋鋼軌，不適用于全長熱處理鋼軌。2規(guī)范性引用文件 </p> <p> 下列文件中的條款通過在本標(biāo)準(zhǔn)中的引用而構(gòu)成為本標(biāo)準(zhǔn)的條款。凡是注日期的引用文件，其隨后所有的修改單(不包括勘誤的內(nèi)容)或修訂版均不適用于本標(biāo)準(zhǔn)，然而，鼓勵根據(jù)本標(biāo)準(zhǔn)達(dá)成協(xié)議的各方研究是否可使用這些文件的***版本。凡是不注日期的引用文件，其***版本適用于本標(biāo)準(zhǔn)。 </p> <p> <br /> </p><p> 圖1鋼軌軌底超聲波探傷區(qū)域(陰影部分) </p> <p> 6.12 表面質(zhì)量 </p> <p> 6.12.1鋼軌表面不得有裂紋、折迭和橫向劃傷。但在冷、熱狀態(tài)下形成的某些缺陷允許符合以下規(guī)定： </p> <p> 6.12.1.1熱狀態(tài)形成的鋼軌縱向磨痕、熱刮傷、縱裂、氧化皮壓入等的缺陷深度不得大于0.5 mm。 </p> <p> 6.12.1.2 冷狀態(tài)下形成的鋼軌縱向或橫向劃痕、碰傷的深度：軌頭踏面及軌底下表面不得大于 </p> <p> 0.4 mm(軌底下表面不應(yīng)有橫向劃痕)；鋼軌其他部位不得大于0.5mm。 </p> <p> 6.12.2鋼軌端面和螺栓孔表面不得有分層、裂紋，其邊緣上的毛刺應(yīng)予***。 </p> <p> 6.12.3鋼軌踏面、軌底下表面及距鋼軌端部1m內(nèi)影響接頭夾板裝配的所有凸出部分應(yīng)予***。 </p> <p> 6.12.4鋼軌表面缺陷允許用打磨方法清理，清理應(yīng)沿縱向進(jìn)行，清理寬度不得小于深度的5倍，清理后應(yīng)保證鋼軌的尺寸符合表1的規(guī)定。鋼軌修磨處應(yīng)圓滑過渡，并且不影響顯微組織。 </p> <p> 6.13殘余應(yīng)力 </p> <p> 鋼軌的軌底比較大縱向殘余拉應(yīng)力應(yīng)不大于250 MPa。 </p> <p> 6.14疲勞性能 </p> <p> 總應(yīng)變幅為1350μe時，每個試樣的疲勞壽命(即試樣完全斷裂時的循環(huán)次數(shù))應(yīng)大于5×10°次。 </p> <p> 6.15斷裂韌性 </p> <p> 鋼軌在試驗溫度-20℃下測得的斷裂韌性 Kic的最小值及平均值分別不小于26 MPa·m2和29 MPa·ml/2。 </p> <p> <br /> 湖南的重軌廠湖北的重軌廠。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆重軌低價資料,重軌" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637420027646307910/3822520.png"></div><p> 2.2.2應(yīng)采用使鋼軌中不產(chǎn)生白點的生產(chǎn)工藝。 </p> <p> 2.3 力學(xué)性能 </p> <p> 鋼軌的抗拉強度不小于90kg/mm。 </p> <p> 2. 表面質(zhì)量 </p> <p> 2.4.1 鋼軌表面不得有裂紋、折選、結(jié)疤、氣泡和夾雜。允許有深度不大于鋼軌尺寸允許負(fù)偏差數(shù)值的壓痕、麻點和劃傷及深度不大于1 mm的發(fā)紋。 </p> <p> 2.4.2鋼軌端面不得有裂紋、分層與縮孔殘余。 </p> <p> 2.4.3 鋼軌端面應(yīng)切得正直，端而歪斜在任何方向不得大干5mm。長度不小于4 mm的毛刺應(yīng)***掉。 </p> <p> 2.4.4鋼軌表面缺陷允許用風(fēng)鏟進(jìn)行縱向清理，清理深度(單面計算)不得大于尺寸允許負(fù)偏差。 </p> <p> 2.4.5 鋼軌表面缺陷不允許焊補或填補。 </p> <p> 3試驗方法 </p> <p> 每批軌檢驗的取樣數(shù)量，部位及試驗方法按表5規(guī)定。 </p> <p> 表5 </p> <p> 序號檢驗項目取樣數(shù)量取樣部位試驗方法 </p> <p> 1 化學(xué)成分 1根 GB222-63 YB35-78 </p> <p> 2 拉力試驗 1根 GB2975-82 GB228-76 </p> <p> …尺寸遂報樣板、量尺 </p> <p> 4 表面質(zhì)量逐根所有表面肉眼 </p> <p> <br /> 新疆的重軌多少錢。。新疆重軌低價資料</p><p style="text-indent:25px">巴音郭楞的重軌多少錢。新疆重軌低價資料</p><p> GB/T 222鋼的成品化學(xué)成分允許偏差 </p> <p> <br /> </p> <p> GB/T 223.14鋼鐵及合金化學(xué)分析方法鈕試劑萃取光度法測定釩含量 </p> <p> <br /> </p> <p> GB/T 223.35 鋼鐵及合金化學(xué)分析方法脈沖加熱悄氣熔融庫侖滴定法測定氧量 </p> <p> <br /> </p> <p> GB/T 223.40 鋼鐵及合金鋁含景的測定瓢磺酚S分光光度法 </p> <p> <br /> </p> <p> GB/T 223.49 鋼鐵及合金化學(xué)分析方法萃取分離-偶氮氯騰mA分光光度法測定稀土總量GB/T 223.53 鋼鐵及合金化學(xué)分析方法火焰原子吸收分光光度法測定銅量 </p> <p> <br /> </p> <p> GB/T 223.60 鋼鐵及合金化學(xué)分析方法高氯酸脫水重量法測定硅含量 </p> <p> <br /> </p> <p> GB/T 223.62 鋼鐵及合金化學(xué)分析方法乙酸丁酯萃取光度法測定磷量 </p> <p> <br /> </p> <p> GB/T 223.63 鋼鐵及合金化學(xué)分析方法高碘酸鈉（鉀）光度法測定錳量 </p> <p> <br /> </p> <p> GB/T 223.68 鋼鐵及合金化學(xué)分析方法管式爐內(nèi)燃燒后碘酸鉀滴定法測定硫含景GB/T 223.71、鋼鐵及合金化學(xué)分析方法管式爐內(nèi)燃燒后重量法測定碳含量 </p> <p> <br /> </p> <p> GB/T 224鋼的脫碳層深度測定法(GB/T 224-1987，eqv IS() 3887-1976) </p> <p> <br /> </p> <p> GB/T 226 鋼的低倍組織及缺陷酸蝕試驗法(GB/T 226--1991,neq ISQ) 4969:1980)GB/T 228金屬材料室溫拉伸試驗方法(GB/T 228-2002，eqv ISO 6892:1998) </p> <p> <br /> </p> <p> GB/T 230.1 金屬洛氏硬度試驗第1部分：試驗方法(A、B、C、D、E、F、G、H、K、N、T 標(biāo)尺)(GB/T 230,1—2004,ISO 6508-1,1999.MOD) </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 新疆重軌低價資料</p><p style="text-indent:25px">烏魯木齊鑫圣龍鋼材貿(mào)易有限公司是一家有著雄厚實力背景、信譽可靠、勵精圖治、展望未來、有夢想有目標(biāo)，有組織有體系的公司，堅持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍(lán)圖，在新疆維吾爾自治區(qū)烏魯木齊市等地區(qū)的建筑、建材行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為行業(yè)的翹楚，努力為行業(yè)領(lǐng)域的發(fā)展奉獻(xiàn)出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強不息，斗志昂揚的的企業(yè)精神將引領(lǐng)鑫圣龍供應(yīng)和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3012954.html</p></div></div></div></div></div><div id="57asub3" class="page-right twoColRt"><div id="hqxu7vx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="eikce8o" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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