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src="http://tyunfile.71360.com/UpLoadFile/2019/10/8/13/637061374542275627_JD011_1481255.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="x7hbdkh" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/10/8/13/637061374542275627_JD011_1481255.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kjwt7er" 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>安徽省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廬江建支鍍鋅鋼管批發(fā),鍍鋅鋼管</p><p><span>***更新：</span>2021-01-05 05:03:32</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="xqsu4jb" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">安徽金建建材有限公司</a></p><p><span>聯(lián)系人：</span>陳金城</p><p><span>郵箱: </span>83125714@qq.com</p><p><span>電話: </span>13956044283</p><p><span>傳真: </span>0552_3153188</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0552-3153188</p><p><span>地址: </span>合肥市包河區(qū)南淝河路豐匯鋼材市場E2棟107-111號</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="hvsp4li" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="s3cwfmo" class="box"><p><p> 給水聚丙烯管與其它金屬管道平行敷設(shè)時(shí)應(yīng)有一定的保護(hù)距離，凈距離下宜小于100mm，且聚丙烯管宜它在金屬管道的內(nèi)側(cè)。4、室內(nèi)明裝管道，廬江建支鍍鋅鋼管批發(fā)，宜在土建粉飾完畢后進(jìn)行，安裝前應(yīng)配合土建正確預(yù)留孔洞或頂理套管。5、管道穿越樓板時(shí)，應(yīng)設(shè)置鋼套管，套管高出地面50mm，并有防水措施。管道穿越屋面時(shí)，應(yīng)采取嚴(yán)格的防水措施。穿越前端應(yīng)設(shè)固定支架。6、熱水管道穿墻壁時(shí)，應(yīng)配合土建設(shè)置鋼套管，廬江建支鍍鋅鋼管批發(fā)，冷水管穿墻時(shí)，可預(yù)留洞，洞口尺寸較外徑大50mm。7、直埋在地坪面層以及墻體內(nèi)的管道，應(yīng)在封蔽前做好試壓和隱蔽工程的驗(yàn)收記錄了作。8、建筑物理地引入管和室內(nèi)埋地管敷設(shè)要求如下：a．室內(nèi)地坪士。先進(jìn)行地坪士0．00以下至娃礎(chǔ)墻外壁段的鋪設(shè)；侍土建施工結(jié)束后，再進(jìn)行戶外連接管的鋪設(shè)；b．室內(nèi)地坪以下管道鋪設(shè)應(yīng)在上建工程回填土夯實(shí)以后，重新開挖進(jìn)行，廬江建支鍍鋅鋼管批發(fā)。嚴(yán)禁在回填土之前或未經(jīng)夯實(shí)的土層中鋪設(shè)；c．鋪設(shè)管道的溝底應(yīng)平整，個(gè)得有突出的尖硬物體。土壤的顆粒徑不宜大于12mm，必要時(shí)對鋪100mm厚的砂墊層。d．埋地管道回填時(shí)，管周回填土不得夾雜尖硬物自接與管壁接觸。應(yīng)先用砂土或顆粒徑不大于12mm的土壤回填至管頂上側(cè)300mrn處，經(jīng)夯實(shí)后方可回填原土。試壓前應(yīng)***檢查各連接件、固定支架等是否安裝到位。廬江建支鍍鋅鋼管批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廬江建支鍍鋅鋼管批發(fā),鍍鋅鋼管" src="http://tyunfile.71360.com/UpLoadFile/2019/10/8/13/637061374542275627_JD011_1481255.jpg"></div><p> 螺紋應(yīng)符合YB822的規(guī)定。鋼制管接頭應(yīng)符合YB238的規(guī)定；可鍛鑄鐵管接頭應(yīng)符合YB230的規(guī)定。4、力學(xué)性能鋼管鍍鋅前的力學(xué)性能應(yīng)符合GB3091的規(guī)定。5、鍍鋅層的均勻性鍍鋅鋼管應(yīng)作鍍鋅層均勻性的試驗(yàn)。鋼管試樣在***銅溶液中連續(xù)浸漬5次不得變紅（鍍銅色）。6、冷彎曲試驗(yàn)公稱口徑不大于50mm的鍍鋅鋼管應(yīng)作冷彎曲試驗(yàn)。彎曲角度為90°，彎曲半徑為外徑的8倍。試驗(yàn)時(shí)不帶填充物，試樣焊縫處應(yīng)置于彎曲方向的外側(cè)或上部。試驗(yàn)后，試樣上不應(yīng)有裂縫及鋅層剝落同象。7、水壓試驗(yàn)水壓試驗(yàn)應(yīng)在黑管進(jìn)行，也可用渦流探傷代替水壓試驗(yàn)。試驗(yàn)壓力或渦流探傷對比試樣尺寸應(yīng)符合GB3092的規(guī)定。鋼材力學(xué)性能是保證鋼材**終使用性能（機(jī)械性能）的重要指標(biāo)，它取決于鋼的化學(xué)成分和熱處理制度。在鋼管標(biāo)準(zhǔn)中，根據(jù)不同的使用要求，規(guī)定了拉伸性能（抗拉強(qiáng)度、屈服強(qiáng)度或屈服點(diǎn)、伸長率）以及硬度、韌性指標(biāo)，還有用戶要求的高、低溫性能等。①抗拉強(qiáng)度（σb）試樣在拉伸過程中，在拉斷時(shí)所承受的比較大力（Fb），出以試樣原橫截面積（So）所得的應(yīng)力（σ），稱為抗拉強(qiáng)度（σb），單位為N/mm2（MPa）。它表示金屬材料在拉力作用下抵抗破壞的比較大能力。碭山不銹鋼鍍鋅鋼管定制管端至溝槽段的表面應(yīng)平整無凹凸、無滾痕。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廬江建支鍍鋅鋼管批發(fā),鍍鋅鋼管" src="http://tyunfile.71360.com/UpLoadFile/2019/10/8/13/637061374541963063_JD011_9619010.jpg"></div><p> 304不銹鋼彎頭是一種提高不銹鋼強(qiáng)度、耐腐蝕性和奧氏體穩(wěn)定性的有效元素。**近對含氮奧氏體不銹鋼、雙相不銹鋼和馬氏體不銹鋼進(jìn)行了許多研究。日本大同特殊鋼公司研究開發(fā)部的科研人員用高壓感應(yīng)熔煉法生產(chǎn)含量為、。在各種熱處理制度下對試制鋼的硬度和耐腐蝕性進(jìn)行了研究，獲得的結(jié)果如下：(1)經(jīng)零下處理硬化后，這些鋼的**硬度隨碳含量的增加而增加，而它們的殘余奧氏體體積分?jǐn)?shù)隨氮含量的增加而增加。(2)在回火過程中，這些鋼在723-773K時(shí)都顯示明顯的二次硬化，并且**硬度隨氮含量的增加而增加。723K回火后馬氏體硬度的變化隨基體中氮的質(zhì)量分?jǐn)?shù)的增加而增加。淬火狀態(tài)材料的固溶體中的氮含量。(3)回火后這些鋼的耐腐蝕性隨回火溫度的增加而降低。含。不銹鋼牌號分組沉淀硬化型不銹鋼。具有有很好的成形性能和良好的焊接性，可作為超**度的材料在核工業(yè)、航空和航天工業(yè)中應(yīng)用。按成分可分為Cr系（SUS400）、Cr－Ni系（SUS300）、Cr－Mn－Ni（SUS200）及析出硬化系（SUS600）。304—即18/8不銹鋼。GB牌號為0Cr18Ni9。309—較之304有更好的耐溫性。316—繼304之後，第二個(gè)得到**廣泛應(yīng)用的鋼種，主要用于食品工業(yè)和外科手術(shù)器材。</p><p> 用輔助標(biāo)志標(biāo)出其位置；f．連接時(shí)，無旋轉(zhuǎn)地把管端導(dǎo)入加熱套內(nèi)，插入到所標(biāo)志的深度，同時(shí)，無旋轉(zhuǎn)地把管件推到加熱頭上，達(dá)到規(guī)定標(biāo)志處。加熱時(shí)間，必須滿足表9的規(guī)定；g．達(dá)到加熱時(shí)間后，立即把管材與管件從加熱套與加熱頭上同時(shí)取下，迅速無旋轉(zhuǎn)地直線均勻插入到所標(biāo)深度，使接頭處形成均勻凸緣；h．在表9規(guī)定的加工時(shí)間內(nèi)，剛?cè)劢雍玫慕宇^還可校正，但嚴(yán)禁旋轉(zhuǎn)。4、當(dāng)管道采用電熔連接時(shí)，應(yīng)符合下列規(guī)定：a．應(yīng)保持電熔管件與管材的熔合部位不受潮；b．電熔承插連接管材的連接端應(yīng)切割垂直，并應(yīng)用潔凈棉布擦凈管材和管件連接面上的污物，并標(biāo)出插入深度，刮除其表皮；c．校直兩對應(yīng)的連接件，使其處于同一軸線上；d．電熔連接機(jī)具與電熔管件的導(dǎo)線連通應(yīng)正確。連接前，應(yīng)檢查通電加熱的電壓，加熱時(shí)間應(yīng)符合電熔連接機(jī)具與電熔管件生產(chǎn)廠家的有關(guān)規(guī)定；e．在熔合及冷卻過程中，不得移動(dòng)、轉(zhuǎn)動(dòng)電熔管件和熔合的管道，不得在連接件上施加任何壓力；f．電熔連接的標(biāo)準(zhǔn)加熱時(shí)間應(yīng)由生產(chǎn)廠家提供，并應(yīng)隨環(huán)境溫度的不同而加以調(diào)整。電熔連接的加熱時(shí)間與環(huán)境溫度的關(guān)系應(yīng)符合表10的規(guī)定。若電熔機(jī)具有溫度自動(dòng)補(bǔ)償功能，則不需調(diào)整加熱時(shí)間。檢查橡膠密封圈是否完好；將其套在一根鋼管的端部。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廬江建支鍍鋅鋼管批發(fā),鍍鋅鋼管" src="http://tyunfile.71360.com/UpLoadFile/2019/10/8/13/637061374542119345_JD011_9422791.jpg"></div><p> 1工藝流程施工準(zhǔn)備→依設(shè)計(jì)圖紙下料→溝槽的加工→接支管處開孔→安裝機(jī)械三通及四通→管道安裝→試壓、沖洗2安裝前準(zhǔn)備現(xiàn)場材料驗(yàn)收，鍍鋅鋼管的管壁厚度、橢圓度等允許偏差應(yīng)符合國家標(biāo)準(zhǔn)?？ü窟B接件規(guī)格數(shù)量符合要求，無明顯的損傷等缺點(diǎn)并應(yīng)附有質(zhì)量證明材料。扳手、游標(biāo)卡尺、水平儀、潤滑劑（無特殊要求時(shí)可用肥皂水或洗潔精替代）、木榔頭、砂紙、銼刀、砂輪機(jī)（大口徑管道）、梯子或腳手架等。用鋼管切割機(jī)將鋼管按所需長度切割，切口應(yīng)平整，切口端面與鋼管軸線應(yīng)垂直。切口處若有毛刺，應(yīng)用砂紙、銼刀或砂輪機(jī)打磨。建議使用套絲機(jī)的管刀進(jìn)行斷管，其優(yōu)勢在于管道的端面垂直平整，毛刺很少。常規(guī)的無齒鋸進(jìn)行斷管時(shí)，由于其鋸片出廠時(shí)端面不平整、用力過猛、管道轉(zhuǎn)動(dòng)等因素易造成管道斷面錯(cuò)位、毛刺多。1）選取符合設(shè)計(jì)要求的管材，管材的端口無毛刺光滑，壁厚均勻，鍍鋅層無剝落，管材無明顯缺點(diǎn)。2）應(yīng)保證三人為一組進(jìn)行。一人控制滾槽機(jī)的開關(guān)及千斤頂?shù)纳担蝗擞^察調(diào)整滾槽機(jī)處管道的轉(zhuǎn)動(dòng)，一人在滾槽機(jī)尾架上觀察調(diào)整管道的位置。3）將需要加工溝槽的鋼管架設(shè)在滾槽機(jī)和滾槽機(jī)尾架上。4）用水平儀測量鋼管水平度，保證鋼管處于水平位置。在接口位置橡膠密封圈外側(cè)安裝上、下卡箍，并將卡箍凸邊卡進(jìn)溝槽內(nèi)。廬江建支鍍鋅鋼管批發(fā)</p><p style="text-indent:25px">調(diào)整鋼管與滾槽設(shè)備的軸心，并要求鋼管與滾槽設(shè)備水平。廬江建支鍍鋅鋼管批發(fā)</p><p> 計(jì)算公式為：式中：Fb--試樣拉斷時(shí)所承受的比較大力，N（牛頓）；So--試樣原始橫截面積，mm2。②屈服點(diǎn)（σs）具有屈服現(xiàn)象的金屬材料，試樣在拉伸過程中力不增加（保持恒定）仍能繼續(xù)伸長時(shí)的應(yīng)力，稱屈服點(diǎn)。若力發(fā)生下降時(shí)，則應(yīng)區(qū)分上、下屈服點(diǎn)。屈服點(diǎn)的單位為N/mm2（MPa）。上屈服點(diǎn)（σsu）：試樣發(fā)生屈服而力***下降前的比較大應(yīng)力；下屈服點(diǎn)（σsl）：當(dāng)不計(jì)初始瞬時(shí)效應(yīng)時(shí)，屈服階段中的**小應(yīng)力。屈服點(diǎn)的計(jì)算公式為：式中：Fs--試樣拉伸過程中屈服力（恒定），N（牛頓）So--試樣原始橫截面積，mm2。③斷后伸長率（σ）在拉伸試驗(yàn)中，試樣拉斷后其標(biāo)距所增加的長度與原標(biāo)距長度的百分比，稱為伸長率。以σ表示，單位為%。計(jì)算公式為：式中：L1--試樣拉斷后的標(biāo)距長度，mm；L0--試樣原始標(biāo)距長度，mm。④斷面收縮率（ψ）在拉伸試驗(yàn)中，試樣拉斷后其縮徑處橫截面積的比較大縮減量與原始橫截面積的百分比，稱為斷面收縮率。以ψ表示，單位為%。計(jì)算公式如下：式中：S0--試樣原始橫截面積，mm2；S1--試樣拉斷后縮徑處的**少橫截面積，mm2。⑤硬度指標(biāo)金屬材料抵抗硬的物體壓陷表面的能力，稱為硬度。根據(jù)試驗(yàn)方法和適用范圍不同。廬江建支鍍鋅鋼管批發(fā)</p><p style="text-indent:25px">安徽金建建材有限公司創(chuàng)建于2010年7月份，總部設(shè)立在安徽鋼材大市場安徽合肥國強(qiáng)鋼材交易市場內(nèi)。廠房占地3500平方米，倉儲(chǔ)物流統(tǒng)一配送，公司下設(shè)五金城門店、阜陽分公司、蚌埠辦事處、安慶辦事處和淮北分店，員工總數(shù)70余名，年銷售額達(dá)億元，并逐年增加中。主要經(jīng)營消防器材、閥門、鍍鋅鋼管、鍍鋅瑪鋼配件、溝槽管件、不銹鋼管等系列管道工程材料產(chǎn)品，并享有良好的售后服務(wù)保障。金建建材努力將公司發(fā)展成為具備頑強(qiáng)戰(zhàn)斗力的學(xué)習(xí)型企業(yè)，實(shí)現(xiàn)五年內(nèi)躋身于全國給排水行業(yè)**名的中期發(fā)展目標(biāo)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2709154.html</p></div></div></div></div></div><div id="vogdieb" class="page-right twoColRt"><div id="uem2yqs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="f2fxmyq" 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) 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