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clearfix"><h1>昆明鍍鋅圓鋼哪家好誠(chéng)信為本云南貿(mào)軒商貿(mào)供應(yīng)</h1><div id="xwb2qnf" class="proBig"><div id="hw3ldkr" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013564648438/285066.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kzokmtf" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013564648438/285066.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kzb7npg" 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>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>昆明鍍鋅圓鋼哪家好</p><p><span>***更新：</span>2020-05-29 07:03:10</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="xhjqneg" 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(jī): </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(hào)鐵公雞物流園二號(hào)寫字樓408號(hào)</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="rqnf3qs" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="323ryfw" class="box"><p><p> 下面是區(qū)分這兩種管件的方法。 </p> <p> 1.差異如下: </p> <p> 外觀:熱鍍鋅外觀略暗，凹凸不平;冷浸鍍鋅表面光滑光亮; </p> <p> 厚度:熱鍍鋅厚，昆明鍍鋅圓鋼哪家好，冷鍍鋅薄; </p> <p> 內(nèi)孔:熱鍍鋅內(nèi)孔有涂層:冷鍍鋅內(nèi)孔只有兩端; </p> <p> 耐腐蝕:熱鍍鋅高，冷鍍鋅低。 </p> <p> 商標(biāo):熱鍍鋅，兩端有藍(lán)墨印刷箍，一般實(shí)施標(biāo)準(zhǔn)和規(guī)范:無(wú)冷浸鍍鋅。 </p> <p> 2.冷鍍鋅的價(jià)格相對(duì)較低。 </p> <p> 這是一個(gè)經(jīng)驗(yàn)的事情，但這是一個(gè)重要的項(xiàng)目，昆明鍍鋅圓鋼哪家好，昆明鍍鋅圓鋼哪家好，看看鍍鋅層是否光滑，甚至，看看質(zhì)量。 </p> <p> 外觀說(shuō)明檢測(cè)報(bào)告及認(rèn)證文件。如果你覺得這些文件無(wú)法解釋，那么我建議你敲打或類似的東西。 </p> <p> 管線上，看鍍鋅層是否會(huì)脫落，如果有脫落，則很可能是冷鍍。 </p> <p> 以上就是小編為大家整理關(guān)于用肉眼辨別真假鍍鋅圓鋼的相關(guān)咨詢，通過本次內(nèi)容的分享，大家對(duì)用肉眼辨別真假鍍鋅圓鋼有了一定的認(rèn)知，如果您想要更深入的了解鍍鋅圓鋼的市場(chǎng)資訊，可以聯(lián)系我們公司的業(yè)務(wù)員，或者到貿(mào)軒商貿(mào)實(shí)地考察，共同探討交流。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明鍍鋅圓鋼哪家好" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013564648438/285066.jpg"></div>熱鍍鋅圓鋼的長(zhǎng)度尺寸表示方式 <p> 其次，按訂貨要求的固定尺寸切成整倍數(shù)的稱為倍尺，按倍尺長(zhǎng)度交貨時(shí)，所交金屬材料的長(zhǎng)度必須為需方在訂貨合同中指定的長(zhǎng)度的整數(shù)倍數(shù)。例如，需方在訂貨合同中要求單倍尺長(zhǎng)度為2m，那么，切成雙倍尺時(shí)長(zhǎng)度即為4m，切成3倍尺時(shí)即為6m，并分別加上一個(gè)或兩個(gè)鋸口量。倍尺交貨時(shí)，只允許有正偏差，不允許出現(xiàn)負(fù)偏值。 </p> <p> 除此之外，短尺和窄尺也是關(guān)于熱鍍鋅圓鋼的尺寸表現(xiàn)方式，所謂的短尺是指長(zhǎng)度小于標(biāo)準(zhǔn)規(guī)定的不定尺長(zhǎng)度下限，但不小于允許的**短長(zhǎng)度。例如，水、煤氣輸送鋼管標(biāo)準(zhǔn)中規(guī)定，允許每批有10%的2-4m長(zhǎng)的短尺鋼管;4m即為不定尺長(zhǎng)度的下限，允許的**短長(zhǎng)度為2m。 </p> <p> 而熱鍍鋅圓鋼的窄尺則是指寬度小于標(biāo)準(zhǔn)規(guī)定的不定尺寬度下限，但不小于允許的**窄寬度。產(chǎn)品按窄尺交貨時(shí)，必須注意有關(guān)標(biāo)準(zhǔn)規(guī)定的窄尺比例和窄尺，千萬(wàn)不要超過相應(yīng)的范圍。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明鍍鋅圓鋼哪家好" src="http://tyunfile.71360.com/UploadFile/ynmaoxuan/637204013567626953/2639321.jpg"></div><p> 熱鍍鋅圓鋼中的鋅含量 </p> <p> <br /> </p> <p> 熱鍍鋅----又稱為熱浸鍍鋅，他是在高溫下把鋅錠融化，在放入一些輔助材料，然后把金屬結(jié)構(gòu)件浸入鍍鋅槽中，使金屬構(gòu)件上附著一層鋅層。熱鍍鋅的優(yōu)點(diǎn)在于他的防腐能力強(qiáng)，鍍鋅層的附著力和硬度較好。產(chǎn)品鍍鋅后重量有所增加，我們常說(shuō)的上鋅量，也主要是針對(duì)熱鍍鋅來(lái)說(shuō)的。 </p> <p> 冷鍍”----“電鍍”，即把鋅鹽溶液通過電解，使鐵離子和鋅離子進(jìn)行置換反映，一般來(lái)說(shuō)不用加熱，上鋅量很少，遇到潮濕環(huán)境很容易生銹。 </p> <p> 當(dāng)熱鍍鋅圓鋼負(fù)載扁鋼厚度不小于5mm時(shí)，鍍鋅厚的平均鋅層重量不小于610g/m2;當(dāng)負(fù)載扁鋼厚度小于5mm時(shí)，鋅層后的平均鋅層重量不小于460g/m2。由于黑件經(jīng)過酸洗后會(huì)去除表面的銹蝕層，所以經(jīng)過鍍鋅后并不會(huì)增加扁鋼的厚度，這一點(diǎn)采購(gòu)商要注意，不能以此作為扁鋼是否符合要求的標(biāo)準(zhǔn)。 </p> <p> 熱鍍鋅圓鋼上鋅量的多少，直接影響鋼格板的使用壽命，也是用戶關(guān)心的問題。鍍鋅后質(zhì)量及要求必須符合中國(guó)GB/T13912規(guī)定。熱鍍鋅圓鋼的上鋅量根據(jù)熱鍍鋅圓鋼的扁鋼厚度而言。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明鍍鋅圓鋼哪家好" src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/2/636915823385550913_ynmaoxuan_1927380.jpg"></div></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/74981.html</p></div></div></div></div></div><div id="oiahz73" class="page-right twoColRt"><div id="pjq2mdp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oiv2izq" 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" 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