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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="odhdugc" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013563955078/9658561.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="t293sev" 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>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>昆明鍍鋅圓鋼銷售廠家</p><p><span>***更新：</span>2020-05-29 10:03:39</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="i74ardk" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">云南貿(mào)軒商貿(mào)有限公司</a></p><p><span>聯(lián)系人：</span>謝經(jīng)理</p><p><span>郵箱: </span>1339843057@qq.com</p><p><span>電話: </span>13888426708</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://www.maoxuan666.com</p><p><span>手機: </span>138-88426708</p><p><span>地址: </span>云南省昆明經(jīng)開區(qū)宏錫路4-1-2號鐵公雞物流園二號寫字樓408號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="ynp32lx" class="page-proshow02"><p class="title">詳細說明</p><div id="lace8p3" class="box"><p><p> 鍍鋅圓鋼廠家教您怎么用肉眼辨別真假鍍鋅圓鋼？ </p> <p> 很多客戶通過我們的網(wǎng)站來電話咨詢用肉眼辨別真假鍍鋅圓鋼,那么現(xiàn)在周偉物資小編就來講解下用肉眼辨別真假鍍鋅圓鋼。 </p> <p> 現(xiàn)在市場上有一種所謂的熱鍍鋅流體管，也叫脫鍍鋅無縫管。事實上，是高頻焊管被加工了。原焊縫將采用**設備或刨平或磨損后再鍍鋅。下面我將與大家分享一下這種管材的識別: </p> <p> 1)任何被刨平或磨損的東西都會留下痕跡，有些痕跡仍然很明顯; </p> <p> 2)熱鍍鋅無縫管固定長度有6米，昆明鍍鋅圓鋼銷售廠家、9米或12米，熱鍍鋅無縫管固定長度的質量很少，昆明鍍鋅圓鋼銷售廠家，因為固定長度廠家要漲價很多; </p> <p> 3)這類管道的制造商害怕承擔責任。他們的質量證書都是流體管，所以他們不敢說無縫管。 </p> <p> 4)壁厚是否一致,因為圓鋼的無縫鋼管是由熱軋穿孔,所以無縫鋼管的壁厚會傾斜(持續(xù)改進的技術,無縫鋼管的壁厚偏差會越來越小,但仍有一些偏差)。焊管雖經(jīng)焊接加固或熱膨脹處理，但由于其原料為帶鋼，其壁厚很高。甚至。 </p> <p> 如何區(qū)分冷熱鍍鋅鋼管的外觀 </p> <p> 你經(jīng)常擔心冷鍍鋅圓鋼和熱鍍鋅圓鋼的區(qū)別嗎?當然，很多人會說送去質檢部門不清楚，昆明鍍鋅圓鋼銷售廠家，但我個人認為傳統(tǒng)的檢測方法不僅浪費時間，而且浪費金錢。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明鍍鋅圓鋼銷售廠家" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013563955078/9658561.jpg"></div><p> 鍍鋅圓鋼采用先進的熱浸鍍鋅工藝生產(chǎn)，產(chǎn)品表面光華，無漏鍍,無疤點,鋅層均勻,附著能力強，鍍鋅圓鋼材質符合國家標準,具有一定的抗腐蝕能力,可適用于多種行業(yè)。 </p> <p> 在一般的環(huán)境里，鍍鋅圓鋼的熱鍍鋅防銹厚度可保持50年以上而不必修補；在市區(qū)或近海區(qū)域，熱鍍鋅防銹層則可保持20年而不必修補。 </p> <p> 鍍鋅圓鋼的鍍鋅層與鋼材間是冶金結合，成為鋼表面的一部份，因此鍍鋅圓鋼的鍍層的持久性較為可靠；鍍層的韌性強，鍍鋅層形成一種特別的冶金結構，鍍鋅圓鋼的這種工藝，能較強的承受在運送及使用時受到的機械損傷；因此我公司的鍍鋅圓鋼受到全國各地廣大用戶的一致好評，歡迎新老客戶來人來電訂購我公司的鍍鋅圓鋼. </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明鍍鋅圓鋼銷售廠家" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013564648438/285066.jpg"></div><p> 鍍鋅圓鋼的性能優(yōu)勢 </p> <p> 同樣級別和同樣直徑的圓鋼每30T為首批開展檢測，每批圓鋼外型經(jīng)逐根查驗及格后，再從任選的二根圓鋼上各取一整套混凝土試塊，依照現(xiàn)行標準國家行業(yè)標準的要求開展拉力試驗(抗拉強度、抗拉抗壓強度、伸長短)和冷拔實驗。 </p> <p> 如無這項實驗結果不符《公路橋涵工程施工技術標準》(JTJ041-3000)附錄G.3所要求的規(guī)定時，則另取二倍總數(shù)的混凝土試塊改版所有各類實驗，如仍有一條混凝土試塊不過關，則該批圓鋼為不過關。云南貿(mào)軒商貿(mào)有限公司 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