鍍(du)(du)鋅(xin)是一(yi)(yi)種經(jing)常采用(yong)的(de)(de)經(jing)濟而(er)有效的(de)(de)防腐方法。鋅(xin)產量的(de)(de)一(yi)(yi)半左(zuo)右(you)均用(yong)于(yu)此種工藝。鍍(du)(du)鋅(xin)卷是為(wei)(wei)防止鋼板(ban)表(biao)(biao)面(mian)(mian)遭(zao)受腐蝕延長其使用(yong)壽命，在鋼板(ban)表(biao)(biao)面(mian)(mian)涂(tu)以一(yi)(yi)層金屬鋅(xin)，這種涂(tu)鋅(xin)的(de)(de)鋼板(ban)稱為(wei)(wei)鍍(du)(du)鋅(xin)卷。鍍(du)(du)鋅(xin)卷主要用(yong)于(yu)建(jian)(jian)筑、家(jia)電、汽(qi)車(che)、容器、交通及(ji)家(jia)業等領域(yu)。特(te)別是鋼結構建(jian)(jian)筑、汽(qi)車(che)制造(zao)、鋼板(ban)倉制造(zao)等行業。耐(nai)腐蝕強(qiang)、表(biao)(biao)面(mian)(mian)質量好(hao)、得利于(yu)深加工、經(jing)濟實用(yong)等。有關產品(pin)標(biao)(biao)準(zhun)都列明鍍(du)(du)鋅(xin)卷推薦(jian)的(de)(de)標(biao)(biao)準(zhun)厚(hou)度(du)(du)、長度(du)(du)和寬度(du)(du)及(ji)其允許偏差。鍍(du)(du)鋅(xin)卷厚(hou)度(du)(du)偏差一(yi)(yi)般(ban)在0.05mm，長寬偏差一(yi)(yi)般(ban)在5mm ，板(ban)材的(de)(de)厚(hou)度(du)(du)一(yi)(yi)般(ban)在0.2-3.2之間 。

鍍鋅鋼板廠家熱鍍鋅卷板價格行業統計數據顯示，十一月國內粗鋼日均產量為兩百零九萬噸，環比下降3.3%，創出今年以來水平，但是當前減產受到季節性因素支撐，市場對數據有效性提出質疑。孝感鍍鋅鋼板鍍鋅(xin)卷工業品而言，近(jin)期陸續(xu)公布的重要數據中(zhong)性(xing)偏多(duo)。但值(zhi)(zhi)得注意的是，同年十一月熱鍍鋅(xin)卷板價格(ge)工業增加值(zhi)(zhi)和投(tou)資增速放緩，進一步印(yin)證(zheng)了國內(nei)總需(xu)求乏(fa)力(li)，工業復蘇(su)形勢不(bu)(bu)容樂觀。加上未來(lai)經濟結構調(diao)整等因(yin)素，工業品價格(ge)反(fan)彈高度將有限。傳統需(xu)求淡(dan)季效(xiao)應還(huan)在(zai)持續(xu)不(bu)(bu)斷(duan)地發酵，冬儲效(xiao)果不(bu)(bu)佳。雖然數據顯示供應壓力(li)開始(shi)減輕，但是目前處于鋼鐵(tie)需(xu)求淡(dan)季，市場成交萎縮，下游(you)采購遲遲未能有效(xiao)跟進，市場信心不(bu)(bu)足(zu)，鍍鋅(xin)鋼板貿易商囤貨現象也不(bu)(bu)明(ming)顯。

鍍(du)鋅板使用(yong)(yong)的(de)(de)(de)時(shi)候(hou)，自(zi)然(ran)(ran)也(ye)是(shi)(shi)要(yao)讓它(ta)在質(zhi)量(liang)上面(mian)(mian)達到(dao)很好(hao)的(de)(de)(de)表(biao)現(xian)(xian)(xian)，但(dan)是(shi)(shi)對于(yu)它(ta)在自(zi)己的(de)(de)(de)質(zhi)量(liang)表(biao)現(xian)(xian)(xian)表(biao)現(xian)(xian)(xian)來(lai)說，往(wang)往(wang)是(shi)(shi)有(you)(you)很多方(fang)面(mian)(mian)的(de)(de)(de)，那么它(ta)在自(zi)己的(de)(de)(de)質(zhi)量(liang)上面(mian)(mian)都(dou)是(shi)(shi)有(you)(you)什么表(biao)現(xian)(xian)(xian)呢？首先一(yi)(yi)個(ge)方(fang)面(mian)(mian)，就是(shi)(shi)它(ta)在自(zi)己的(de)(de)(de)表(biao)面(mian)(mian)上要(yao)達到(dao)平的(de)(de)(de)要(yao)求(qiu)，這一(yi)(yi)點(dian)自(zi)然(ran)(ran)也(ye)是(shi)(shi)它(ta)在自(zi)己使用(yong)(yong)時(shi)的(de)(de)(de)一(yi)(yi)個(ge)重要(yao)的(de)(de)(de)表(biao)現(xian)(xian)(xian)，現(xian)(xian)(xian)在也(ye)一(yi)(yi)些廠家，他們(men)在生產時(shi)，因為沒有(you)(you)使用(yong)(yong)很好(hao)的(de)(de)(de)設(she)備，也(ye)或者是(shi)(shi)在技術上面(mian)(mian)低下，自(zi)然(ran)(ran)就沒有(you)(you)這方(fang)面(mian)(mian)的(de)(de)(de)表(biao)現(xian)(xian)(xian)。重慶鍍(du)鋅板本(ben)身的(de)(de)(de)性能上面(mian)(mian)有(you)(you)很大的(de)(de)(de)下降，而且因為它(ta)在自(zi)己的(de)(de)(de)平上面(mian)(mian)沒有(you)(you)自(zi)己的(de)(de)(de)表(biao)現(xian)(xian)(xian)，同時(shi)用(yong)(yong)戶(hu)在自(zi)己使用(yong)(yong)時(shi)，也(ye)不會達到(dao)很高(gao)的(de)(de)(de)使用(yong)(yong)壽(shou)命。

重慶樓承板(ban)(ban)(ban)的(de)(de)鍍(du)鋅(xin)量沒(mei)有一個具體的(de)(de)標準，制作壓(ya)型鋼(gang)(gang)板(ban)(ban)(ban)的(de)(de)冷軋鋼(gang)(gang)卷須(xu)連續熱(re)浸(jin)(jin)鍍(du)鋅(xin)（或鍍(du)鋁鋅(xin)），鍍(du)（鋁）鋅(xin)量視設計要(yao)求而定。樓承板(ban)(ban)(ban)用(yong)壓(ya)型鋼(gang)(gang)板(ban)(ban)(ban)宜(yi)選(xuan)擇熱(re)浸(jin)(jin)鍍(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)。不允許使用(yong)電鍍(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)，電鍍(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)僅在基材表面形成保護層(ceng)，防腐能力有限。目前市場(chang)上(shang)有鍍(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)（鍍(du)層(ceng)含鋁5%或55%），在酸性環境下(xia)的(de)(de)防腐效果由(you)于熱(re)浸(jin)(jin)鍍(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)，但在混凝土的(de)(de)堿性條(tiao)件下(xia)，鍍(du)鋁鋅(xin)的(de)(de)防腐蝕(shi)性能低于熱(re)浸(jin)(jin)鍍(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)，且鋁會和混凝土發(fa)生(sheng)反(fan)應，并降低混凝土與鋼(gang)(gang)板(ban)(ban)(ban)的(de)(de)粘結性能。因此參考國外規范，及(ji)國內外工程，行(xing)家壓(ya)型鋼(gang)(gang)板(ban)(ban)(ban)不建議使用(yong)鍍(du)鋁鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)。

樓(lou)(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban)適應主體鋼(gang)(gang)結構(gou)快(kuai)速施工(gong)的(de)(de)(de)要求(qiu)，能夠在(zai)短時間內(nei)提(ti)(ti)供堅定(ding)的(de)(de)(de)作業平臺，并可采用多(duo)個樓(lou)(lou)(lou)層鋪設(she)壓型(xing)鋼(gang)(gang)板(ban)(ban)(ban)(ban)(ban)，分層澆筑混凝土板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)流水(shui)施工(gong)。在(zai)使用階段樓(lou)(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban)作為(wei)(wei)混凝土樓(lou)(lou)(lou)板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)受拉鋼(gang)(gang)筋(jin)(jin)(jin)，也提(ti)(ti)高了樓(lou)(lou)(lou)板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)剛(gang)度(du)(du)，節(jie)省(sheng)了鋼(gang)(gang)筋(jin)(jin)(jin)和混凝土的(de)(de)(de)用量。樓(lou)(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban)上(shang)面可以鋪設(she)保溫，隔(ge)音，隔(ge)熱，隔(ge)振等材料(liao)。樓(lou)(lou)(lou)面性(xing)能充分發揮鋼(gang)(gang)的(de)(de)(de)良好的(de)(de)(de)抗拉強度(du)(du)和延(yan)性(xing)及(ji)混凝土優良的(de)(de)(de)抗壓強度(du)(du)和較大的(de)(de)(de)剛(gang)度(du)(du)。壓型(xing)板(ban)(ban)(ban)(ban)(ban)表面壓紋使樓(lou)(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban)與(yu)混凝土之間產生大的(de)(de)(de)結合力(li)，使二者形成整體，配以加勁肋，使樓(lou)(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban)系統(tong)具有高強承(cheng)載力(li)。在(zai)懸(xuan)臂條件下(xia)，樓(lou)(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban)僅作為(wei)(wei)性(xing)模板(ban)(ban)(ban)(ban)(ban)。懸(xuan)挑(tiao)的(de)(de)(de)長度(du)(du)可根據樓(lou)(lou)(lou)承(cheng)板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)截面特性(xing)來定(ding)。為(wei)(wei)了防止懸(xuan)挑(tiao)板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)開裂(lie)，需在(zai)支座處(chu)依結構(gou)工(gong)程師(shi)的(de)(de)(de)設(she)計(ji)配上(shang)負筋(jin)(jin)(jin)。