鍍鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)為(wei)(wei)基板(ban)(ban)(ban)的(de)(de)彩涂(tu)(tu)(tu)鋼(gang)板(ban)(ban)(ban)，除有(you)鋅(xin)(xin)保(bao)護(hu)外，鋅(xin)(xin)層(ceng)上(shang)的(de)(de)有(you)機(ji)涂(tu)(tu)(tu)層(ceng)起(qi)了(le)覆蓋(gai)隔離(li)作用，可(ke)防止鋼(gang)板(ban)(ban)(ban)生銹，使用壽命比(bi)鍍鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)更長(chang)，據介紹(shao)涂(tu)(tu)(tu)層(ceng)鋼(gang)板(ban)(ban)(ban)的(de)(de)使用壽命比(bi)鍍鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)長(chang)50%。在連續(xu)機(ji)組(zu)上(shang)以(yi)冷軋帶鋼(gang)，鍍鋅(xin)(xin)帶鋼(gang)（電鍍鋅(xin)(xin)和(he)熱鍍鋅(xin)(xin)）為(wei)(wei)基板(ban)(ban)(ban)，經過(guo)表面預處理(li)（脫脂和(he)化學處理(li)），用輥涂(tu)(tu)(tu)的(de)(de)方法，涂(tu)(tu)(tu)上(shang)一層(ceng)或多層(ceng)液態涂(tu)(tu)(tu)料，經過(guo)烘烤(kao)和(he)冷卻所得的(de)(de)板(ban)(ban)(ban)材(cai)即為(wei)(wei)涂(tu)(tu)(tu)層(ceng)鋼(gang)板(ban)(ban)(ban)。由于涂(tu)(tu)(tu)層(ceng)可(ke)以(yi)有(you)各(ge)種不同的(de)(de)顏色，習慣上(shang)把涂(tu)(tu)(tu)層(ceng)鋼(gang)板(ban)(ban)(ban)叫做(zuo)彩色涂(tu)(tu)(tu)層(ceng)鋼(gang)板(ban)(ban)(ban)。又由于涂(tu)(tu)(tu)層(ceng)是在鋼(gang)板(ban)(ban)(ban)成型加工(gong)之前進(jin)行的(de)(de)，在國外這叫做(zuo)預涂(tu)(tu)(tu)層(ceng)鋼(gang)板(ban)(ban)(ban)。

C型鋼價格熱鍍鋅卷板現貨消息：熱鍍鋅產品廣泛用于建筑、家電、車船、容器制造業、機電業等，幾乎涉及到衣食住行各個領域。近年來，世界鍍鋅鋼板需求量不斷增加，產量增長也很快，在美、日等鋼材生產大國，熱鍍鋅鋼板在鋼材中所占比例已高達13%-15%。酒鋼C型鋼價格 熱鍍鋅卷板現貨(huo)消息(xi)：近來，汽(qi)車行業越(yue)來越(yue)重視材(cai)料的使用壽(shou)命，用涂漆冷軋鋼板已不能滿足耐腐蝕方面的要求。在(zai)這種情況下，耐腐蝕性優良且(qie)成本低廉的熱鍍鋅板開始普遍受到了汽(qi)車廠(chang)家的青睞。

重(zhong)慶樓承板(ban)(ban)(ban)(ban)的鍍(du)(du)鋅(xin)(xin)(xin)量沒有一(yi)個具體(ti)的標準，制作壓型(xing)鋼(gang)板(ban)(ban)(ban)(ban)的冷軋(ya)鋼(gang)卷須連續熱浸鍍(du)(du)鋅(xin)(xin)(xin)（或鍍(du)(du)鋁(lv)(lv)(lv)鋅(xin)(xin)(xin)），鍍(du)(du)（鋁(lv)(lv)(lv)）鋅(xin)(xin)(xin)量視設計要求而(er)定。樓承板(ban)(ban)(ban)(ban)用壓型(xing)鋼(gang)板(ban)(ban)(ban)(ban)宜選擇熱浸鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。不允許使用電(dian)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)，電(dian)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)僅(jin)在基(ji)材表面形成保護(hu)層(ceng)，防(fang)(fang)腐(fu)能(neng)力有限。目(mu)前(qian)市場(chang)上(shang)有鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)（鍍(du)(du)層(ceng)含鋁(lv)(lv)(lv)5%或55%），在酸(suan)性(xing)環境(jing)下的防(fang)(fang)腐(fu)效(xiao)果由于熱浸鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)，但在混(hun)(hun)凝(ning)土(tu)的堿(jian)性(xing)條件下，鍍(du)(du)鋁(lv)(lv)(lv)鋅(xin)(xin)(xin)的防(fang)(fang)腐(fu)蝕性(xing)能(neng)低(di)(di)于熱浸鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)，且鋁(lv)(lv)(lv)會和混(hun)(hun)凝(ning)土(tu)發生反(fan)應，并降低(di)(di)混(hun)(hun)凝(ning)土(tu)與鋼(gang)板(ban)(ban)(ban)(ban)的粘結性(xing)能(neng)。因(yin)此參(can)考(kao)國外(wai)規(gui)范，及國內外(wai)工程，行家壓型(xing)鋼(gang)板(ban)(ban)(ban)(ban)不建(jian)議使用鍍(du)(du)鋁(lv)(lv)(lv)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。

鍍鋅卷分熱(re)鍍鋅和電(dian)鍍鋅兩種，熱(re)鍍鋅鍍鋅層(ceng)厚，具有(you)鍍層(ceng)均勻(yun)，附(fu)著力強，使用(yong)壽(shou)命長(chang)等優點。電(dian)鍍鋅成(cheng)本低(di)，表面不是(shi)很(hen)光滑，其本身的(de)耐(nai)(nai)腐(fu)蝕性(xing)比熱(re)鍍鋅管(guan)相差很(hen)多。提(ti)起(qi)鍍鋅管(guan)，可能沒接觸(chu)過建材的(de)朋友并不了解(jie)。從1935年建立一條連續涂(tu)層(ceng)鋼板(ban)線開(kai)始，彩涂(tu)板(ban)得到了廣泛應用(yong)，目前彩涂(tu)板(ban)的(de)品(pin)種繁多，大約超過600種，彩涂(tu)板(ban)兼有(you)機(ji)聚(ju)合物與鋼板(ban)兩者(zhe)的(de)優點，既有(you)有(you)機(ji)聚(ju)合物的(de)良好著色(se)性(xing)、成(cheng)型性(xing)、耐(nai)(nai)蝕性(xing)、裝飾性(xing)、又有(you)鋼板(ban)的(de)高(gao)強度和易加工性(xing)，能很(hen)容(rong)易地(di)進行沖壓裁剪、彎(wan)曲、深沖等加工。

鍍(du)(du)(du)(du)鋅(xin)(xin)鋼(gang)板的(de)表面鍍(du)(du)(du)(du)鋅(xin)(xin)主要采用的(de)方(fang)法是(shi)熱(re)(re)鍍(du)(du)(du)(du)鋅(xin)(xin)。熱(re)(re)鍍(du)(du)(du)(du)鋅(xin)(xin)是(shi)由(you)較(jiao)古老的(de)熱(re)(re)鍍(du)(du)(du)(du)方(fang)法發展(zhan)而來(lai)的(de)，自從1836年(nian)(nian)法國把熱(re)(re)鍍(du)(du)(du)(du)鋅(xin)(xin)應用于(yu)工業以來(lai)，已經有一百七十(shi)年(nian)(nian)的(de)歷(li)史了(le)。然而，熱(re)(re)鍍(du)(du)(du)(du)鋅(xin)(xin)工業是(shi)近三十(shi)年(nian)(nian)來(lai)伴隨冷軋帶(dai)鋼(gang)的(de)飛速發展(zhan)而得到了(le)大(da)規模發展(zhan)。鍍(du)(du)(du)(du)鋅(xin)(xin)溶液有氰(qing)(qing)化物(wu)鍍(du)(du)(du)(du)液和無氰(qing)(qing)鍍(du)(du)(du)(du)液兩類。氰(qing)(qing)化物(wu)鍍(du)(du)(du)(du)液中(zhong)分微(wei)氰(qing)(qing)、低氰(qing)(qing)、中(zhong)氰(qing)(qing)、和高氰(qing)(qing)幾類。無氰(qing)(qing)鍍(du)(du)(du)(du)液有堿性鋅(xin)(xin)酸鹽鍍(du)(du)(du)(du)液、銨鹽鍍(du)(du)(du)(du)液、硫酸鹽鍍(du)(du)(du)(du)液及無氨氯化物(wu)鍍(du)(du)(du)(du)液等(deng)。氰(qing)(qing)化鍍(du)(du)(du)(du)鋅(xin)(xin)溶液均鍍(du)(du)(du)(du)能力好，得到的(de)鍍(du)(du)(du)(du)層光滑(hua)細致(zhi)，在生產中(zhong)被長(chang)期采用。但由(you)于(yu)氰(qing)(qing)化物(wu)劇毒，對(dui)環境污染嚴重，近年(nian)(nian)來(lai)已趨向于(yu)采用低氰(qing)(qing)、微(wei)氰(qing)(qing)、無氰(qing)(qing)鍍(du)(du)(du)(du)鋅(xin)(xin)溶液。