熱浸(jin)鍍(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)將薄(bo)(bo)鋼(gang)(gang)板(ban)(ban)(ban)(ban)浸(jin)入熔解的鋅(xin)槽(cao)中，使其(qi)表面(mian)粘附一層鋅(xin)的薄(bo)(bo)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。目(mu)前主要采(cai)用連續鍍(du)(du)(du)(du)鋅(xin)工(gong)藝生產，即把成卷的鋼(gang)(gang)板(ban)(ban)(ban)(ban)連續浸(jin)在(zai)熔解有鋅(xin)的鍍(du)(du)(du)(du)槽(cao)中制成鍍(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban);合(he)金(jin)化鍍(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。這種(zhong)鋼(gang)(gang)板(ban)(ban)(ban)(ban)也是用熱浸(jin)法(fa)制造(zao)，但在(zai)出槽(cao)后，立即把它加熱到(dao)500 ℃左右，使其(qi)生成鋅(xin)和(he)鐵的合(he)金(jin)被膜。這種(zhong)鍍(du)(du)(du)(du)鋅(xin)板(ban)(ban)(ban)(ban)具有良好的涂料的密(mi)著性和(he)焊(han)接性;電鍍(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。用電鍍(du)(du)(du)(du)法(fa)制造(zao)這種(zhong)鍍(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)具有良好的加工(gong)性。但鍍(du)(du)(du)(du)層較(jiao)薄(bo)(bo)，耐腐蝕性不如熱浸(jin)法(fa)鍍(du)(du)(du)(du)鋅(xin)板(ban)(ban)(ban)(ban);單面(mian)鍍(du)(du)(du)(du)和(he)雙(shuang)面(mian)差鍍(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。單面(mian)鍍(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)，即只在(zai)一面(mian)鍍(du)(du)(du)(du)鋅(xin)的產品。在(zai)焊(han)接、涂裝、防(fang)銹處理、加工(gong)等方面(mian)，具有比雙(shuang)面(mian)鍍(du)(du)(du)(du)鋅(xin)板(ban)(ban)(ban)(ban)好的適應性。

彩涂卷廠家樓承板本身有良好的延伸性，自重輕，自振周期長，較大變形下能吸收變形能，結構體系的連接多為柔性連接，圍護結構可隨主體結構發生變位，其抗震性能得到了大大提高。自重減輕也會增強其抗震性能，自重減少一半，等同于降低抗震設防烈度一度，地震作用可降低30％—40％J，從而減少了很多有關抗震的構造要求，降低了工程造價。我國面臨水土流失、環境污染等一系列影響可持續發展的問題，環保建筑的提出應運而生，環保建筑之能源利用高、環境好、在保障人們生活的基礎上消耗低，使用周期長等。長沙彩涂卷樓承(cheng)板(ban)(ban)建(jian)筑(zhu)(zhu)恰恰在(zai)這些方面能夠滿(man)足要求(qiu)，與其他建(jian)筑(zhu)(zhu)結構體系相比，樓承(cheng)板(ban)(ban)建(jian)筑(zhu)(zhu)沒有空氣污染(ran)和噪(zao)音，也(ye)不會對(dui)森林等資源(yuan)造成破壞，并且建(jian)筑(zhu)(zhu)材料可以回收(shou)再利(li)用，減少(shao)了固體垃圾的(de)出現，有利(li)于人與自然的(de)協調發展，代表(biao)著(zhu)建(jian)筑(zhu)(zhu)行(xing)業的(de)新水平。

近期(qi)鋼價延續(xu)低迷，隨著通(tong)國規模(mo)的(de)酷(ku)暑(shu)和旱季到來(lai)，熱鍍(du)鋅(xin)卷板價格商場逐漸進入(ru)需要旺季，海內(nei)(nei)鋼鐵(tie)商場或將窄幅調整。在(zai)決策層兩手(shou)抓制度措施落實狀況、貨銀本位(wei)度定向寬松力度加大的(de)直觀層面(mian)利好牽動下，商場信念逐漸趨穩(wen)，短期(qi)海內(nei)(nei)鋼價無(wu)望止跌(die)企穩(wen);另一上(shang)面(mian)，以后鋼價殺跌(die)電能有余，而上(shang)漲(zhang)也仍然屏障重(zhong)重(zhong)。熱鍍(du)鋅(xin)卷板價格價錢或將長期(qi)在(zai)于低位(wei)運行場面(mian)。

鍍鋅(xin)鋼(gang)板按用(yong)(yong)(yong)(yong)(yong)(yong)途又可分為一(yi)般用(yong)(yong)(yong)(yong)(yong)(yong)、屋頂用(yong)(yong)(yong)(yong)(yong)(yong)、建(jian)(jian)筑(zhu)外側板用(yong)(yong)(yong)(yong)(yong)(yong)、結構用(yong)(yong)(yong)(yong)(yong)(yong)、瓦壟板用(yong)(yong)(yong)(yong)(yong)(yong)、拉(la)伸用(yong)(yong)(yong)(yong)(yong)(yong)和深沖用(yong)(yong)(yong)(yong)(yong)(yong)等鍍鋅(xin)鋼(gang)板。熱(re)鍍鋅(xin)板主要應用(yong)(yong)(yong)(yong)(yong)(yong)于建(jian)(jian)筑(zhu)外用(yong)(yong)(yong)(yong)(yong)(yong)，建(jian)(jian)筑(zhu)內用(yong)(yong)(yong)(yong)(yong)(yong)，民用(yong)(yong)(yong)(yong)(yong)(yong)，門(men)窗，家(jia)(jia)具，機械，電(dian)子及(ji)家(jia)(jia)用(yong)(yong)(yong)(yong)(yong)(yong)電(dian)器(qi)等領域。也(ye)有機箱用(yong)(yong)(yong)(yong)(yong)(yong)這個，不(bu)(bu)過(guo)熱(re)鍍鋅(xin)板不(bu)(bu)放輻射的(de)。空調，冰箱，微波爐及(ji)其類似家(jia)(jia)電(dian)背面(mian)的(de)那個板就是熱(re)鍍鋅(xin)板。鍍鋅(xin)層(ceng)通過(guo)鈍化(hua)處(chu)理(li)(li)，可減(jian)少潮溫貯運(yun)條件下(xia)產(chan)生折銹(xiu)蝕(白銹(xiu)) 。但這種化(hua)學處(chu)理(li)(li)的(de)防腐(fu)蝕性(xing)能是有限的(de)，而且，妨礙大多數涂料(liao)的(de)附(fu)著性(xing)。這種處(chu)理(li)(li)一(yi)般不(bu)(bu)用(yong)(yong)(yong)(yong)(yong)(yong)在鋅(xin)鐵合金鍍層(ceng)，除(chu)光整(zheng)表面(mian)外，作為常(chang)規(gui)，生產(chan)廠對其他類型的(de)鍍鋅(xin)層(ceng)均進行鈍化(hua)處(chu)理(li)(li)。

重慶樓承板(ban)(ban)的(de)(de)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)量沒有一個具體的(de)(de)標準，制作壓型(xing)鋼(gang)板(ban)(ban)的(de)(de)冷(leng)軋鋼(gang)卷須連(lian)續熱(re)浸(jin)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)（或鍍(du)鋁(lv)(lv)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)），鍍(du)（鋁(lv)(lv)）鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)量視(shi)設(she)計(ji)要(yao)求而定。樓承板(ban)(ban)用壓型(xing)鋼(gang)板(ban)(ban)宜選擇(ze)熱(re)浸(jin)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)。不允許使(shi)用電(dian)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)，電(dian)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)僅(jin)在基材表面形成保護層，防(fang)腐(fu)能力(li)有限(xian)。目前市(shi)場上(shang)有鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)（鍍(du)層含鋁(lv)(lv)5%或55%），在酸性環境下的(de)(de)防(fang)腐(fu)效果(guo)由于(yu)熱(re)浸(jin)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)，但在混凝土的(de)(de)堿(jian)性條件(jian)下，鍍(du)鋁(lv)(lv)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)的(de)(de)防(fang)腐(fu)蝕性能低于(yu)熱(re)浸(jin)鍍(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)，且鋁(lv)(lv)會和(he)混凝土發生反應，并降低混凝土與鋼(gang)板(ban)(ban)的(de)(de)粘結性能。因(yin)此參考國外規范，及國內外工程(cheng)，行家壓型(xing)鋼(gang)板(ban)(ban)不建議(yi)使(shi)用鍍(du)鋁(lv)(lv)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)。

重慶鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)近二十年(nian)來鋼帶連續熱(re)鍍(du)(du)鋅(xin)(xin)(xin)(xin)技術(shu)、裝(zhuang)備(bei)(bei)以及(ji)(ji)相應的控(kong)制(zhi)(zhi)手段均(jun)有巨大的發展，使鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)得(de)以滿(man)足汽車面板(ban)和家(jia)電用(yong)板(ban)的苛刻要求(qiu)，并從而以其(qi)比電鍍(du)(du)鋅(xin)(xin)(xin)(xin)合金鋼帶廉(lian)價、耐蝕性優(you)異而大有取(qu)代(dai)之勢。熱(re)鍍(du)(du)鋅(xin)(xin)(xin)(xin)生產技術(shu)與裝(zhuang)備(bei)(bei)開發技術(shu)及(ji)(ji)經驗，通過技術(shu)創(chuang)新、優(you)化設計、精密(mi)制(zhi)(zhi)造(zao)以及(ji)(ji)國外技術(shu)合作，突破(po)制(zhi)(zhi)約我國高性能汽車用(yong)熱(re)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)生產技術(shu)與裝(zhuang)備(bei)(bei)發展瓶頸(jing)。