鍍(du)(du)鋅(xin)(xin)鋼板(ban)為基板(ban)的彩(cai)涂(tu)(tu)(tu)(tu)(tu)鋼板(ban)，除有鋅(xin)(xin)保護(hu)外(wai)(wai)，鋅(xin)(xin)層(ceng)(ceng)(ceng)上的有機涂(tu)(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)起了覆蓋隔(ge)離作用，可(ke)防止鋼板(ban)生(sheng)銹，使(shi)(shi)用壽命比鍍(du)(du)鋅(xin)(xin)鋼板(ban)更長，據介(jie)紹涂(tu)(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)鋼板(ban)的使(shi)(shi)用壽命比鍍(du)(du)鋅(xin)(xin)鋼板(ban)長50%。在(zai)連續機組(zu)上以冷軋帶(dai)(dai)鋼，鍍(du)(du)鋅(xin)(xin)帶(dai)(dai)鋼（電(dian)鍍(du)(du)鋅(xin)(xin)和熱(re)鍍(du)(du)鋅(xin)(xin)）為基板(ban)，經(jing)過表面預(yu)處(chu)理（脫脂和化學處(chu)理），用輥(gun)涂(tu)(tu)(tu)(tu)(tu)的方(fang)法，涂(tu)(tu)(tu)(tu)(tu)上一層(ceng)(ceng)(ceng)或多層(ceng)(ceng)(ceng)液(ye)態涂(tu)(tu)(tu)(tu)(tu)料，經(jing)過烘烤和冷卻所(suo)得(de)的板(ban)材即為涂(tu)(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)鋼板(ban)。由于涂(tu)(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)可(ke)以有各(ge)種(zhong)不同的顏(yan)色，習慣上把涂(tu)(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)鋼板(ban)叫做(zuo)彩(cai)色涂(tu)(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)鋼板(ban)。又由于涂(tu)(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)是在(zai)鋼板(ban)成型加工之前(qian)進行(xing)的，在(zai)國外(wai)(wai)這(zhe)叫做(zuo)預(yu)涂(tu)(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)鋼板(ban)。

鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼板(ban)(ban)是為(wei)防(fang)止鋼板(ban)(ban)表(biao)面(mian)(mian)遭受腐蝕，延長其使(shi)用壽命，在(zai)鋼板(ban)(ban)表(biao)面(mian)(mian)涂(tu)以(yi)一(yi)層金(jin)屬鋅(xin)(xin)(xin)(xin)(xin)，這(zhe)種(zhong)涂(tu)鋅(xin)(xin)(xin)(xin)(xin)的(de)薄(bo)(bo)(bo)鋼板(ban)(ban)稱為(wei)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)板(ban)(ban)。按生(sheng)(sheng)產(chan)及加工(gong)方法(fa)(fa)可分為(wei)以(yi)下幾類：熱(re)(re)(re)浸鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼板(ban)(ban)。將薄(bo)(bo)(bo)鋼板(ban)(ban)浸入熔 微商貨源解的(de)鋅(xin)(xin)(xin)(xin)(xin)槽中，使(shi)其表(biao)面(mian)(mian)粘(zhan)附一(yi)層鋅(xin)(xin)(xin)(xin)(xin)的(de)薄(bo)(bo)(bo)鋼板(ban)(ban)。目前主(zhu)要采用連續鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)工(gong)藝生(sheng)(sheng)產(chan)，即把(ba)成(cheng)卷(juan)的(de)鋼板(ban)(ban)連續浸在(zai)熔解有(you)鋅(xin)(xin)(xin)(xin)(xin)的(de)鍍(du)(du)槽中制(zhi)(zhi)成(cheng)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼板(ban)(ban)；合(he)金(jin)化鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼板(ban)(ban)。這(zhe)種(zhong)鋼板(ban)(ban)也是用熱(re)(re)(re)浸法(fa)(fa)制(zhi)(zhi)造，但在(zai)出(chu)槽后，立即把(ba)它加熱(re)(re)(re)到５００℃左右，使(shi)其生(sheng)(sheng)成(cheng)鋅(xin)(xin)(xin)(xin)(xin)和(he)鐵的(de)合(he)金(jin)被膜。這(zhe)種(zhong)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)板(ban)(ban)具有(you)良好的(de)涂(tu)料的(de)密著(zhu)性和(he)焊接(jie)性。

鍍鋅角鋼價格鍍鋅鋼板按用途又可分為一般用、屋頂用、建筑外側板用、結構用、瓦壟板用、拉伸用和深沖用等鍍鋅鋼板。攀華鍍鋅角鋼價格熱鍍鋅(xin)板(ban)主(zhu)要應用(yong)(yong)于建筑(zhu)外用(yong)(yong)，建筑(zhu)內用(yong)(yong)，民用(yong)(yong)，門窗，家具，機械，電子及家用(yong)(yong)電器(qi)等(deng)領域。也有機箱用(yong)(yong)這(zhe)個(ge)，不過熱鍍鋅(xin)板(ban)不放(fang)輻射(she)的。空(kong)調，冰箱，微波爐及其類似家電背面的那個(ge)板(ban)就是(shi)熱鍍鋅(xin)板(ban)。鍍鋅(xin)層通過鈍化(hua)處(chu)(chu)理，可減少潮溫(wen)貯運(yun)條件下產生折銹蝕(白銹) 。但這(zhe)種化(hua)學處(chu)(chu)理的防腐蝕性(xing)能是(shi)有限的，而且(qie)，妨礙大(da)多數涂料的附著(zhu)性(xing)。這(zhe)種處(chu)(chu)理一(yi)般不用(yong)(yong)在鋅(xin)鐵合金鍍層，除光整表面外，作為常規(gui)，生產廠對其他(ta)類型(xing)的鍍鋅(xin)層均進行(xing)鈍化(hua)處(chu)(chu)理。

重(zhong)慶樓承(cheng)板(ban)(ban)(ban)(ban)的(de)(de)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)量沒有一個具(ju)體的(de)(de)標(biao)準，制作壓(ya)型鋼(gang)(gang)板(ban)(ban)(ban)(ban)的(de)(de)冷軋鋼(gang)(gang)卷(juan)須連續熱(re)浸鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)（或鍍(du)(du)(du)(du)鋁(lv)(lv)(lv)(lv)鋅(xin)(xin)(xin)），鍍(du)(du)(du)(du)（鋁(lv)(lv)(lv)(lv)）鋅(xin)(xin)(xin)量視設(she)計要求而定。樓承(cheng)板(ban)(ban)(ban)(ban)用壓(ya)型鋼(gang)(gang)板(ban)(ban)(ban)(ban)宜選擇熱(re)浸鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。不允許使(shi)用電(dian)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)，電(dian)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)僅在(zai)基材表面形成保護層，防腐(fu)能(neng)力有限(xian)。目前市場上有鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)（鍍(du)(du)(du)(du)層含鋁(lv)(lv)(lv)(lv)5%或55%），在(zai)酸性(xing)環境下的(de)(de)防腐(fu)效果由于熱(re)浸鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)，但在(zai)混(hun)凝土(tu)(tu)的(de)(de)堿性(xing)條件下，鍍(du)(du)(du)(du)鋁(lv)(lv)(lv)(lv)鋅(xin)(xin)(xin)的(de)(de)防腐(fu)蝕性(xing)能(neng)低于熱(re)浸鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)，且鋁(lv)(lv)(lv)(lv)會和混(hun)凝土(tu)(tu)發生反應，并降低混(hun)凝土(tu)(tu)與鋼(gang)(gang)板(ban)(ban)(ban)(ban)的(de)(de)粘結性(xing)能(neng)。因此參考國外(wai)規范，及國內外(wai)工程，行家壓(ya)型鋼(gang)(gang)板(ban)(ban)(ban)(ban)不建議使(shi)用鍍(du)(du)(du)(du)鋁(lv)(lv)(lv)(lv)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。

鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)是為(wei)防止鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)表(biao)面(mian)遭受腐蝕(shi)，延長其(qi)使(shi)用壽命，在鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)表(biao)面(mian)涂以一層(ceng)金屬(shu)鋅(xin)(xin)(xin)(xin)，這(zhe)種(zhong)涂鋅(xin)(xin)(xin)(xin)的(de)(de)(de)薄鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)稱為(wei)鍍(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)。鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)也是用熱(re)浸法制造(zao)，但在出(chu)槽(cao)后(hou)(hou)，立(li)即把(ba)(ba)它(ta)(ta)加(jia)熱(re)到500℃左(zuo)(zuo)右，使(shi)其(qi)生成(cheng)鋅(xin)(xin)(xin)(xin)和(he)鐵的(de)(de)(de)合(he)金被膜。這(zhe)種(zhong)鍍(du)鋅(xin)(xin)(xin)(xin)卷具有(you)(you)(you)良好(hao)的(de)(de)(de)涂料(liao)的(de)(de)(de)密著(zhu)性和(he)焊接性。合(he)金化(hua)鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)。這(zhe)種(zhong)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)也是用熱(re)浸法制造(zao)，但在出(chu)槽(cao)后(hou)(hou)，立(li)即把(ba)(ba)它(ta)(ta)加(jia)熱(re)到500℃左(zuo)(zuo)右，使(shi)其(qi)生成(cheng)鋅(xin)(xin)(xin)(xin)和(he)鐵的(de)(de)(de)合(he)金被膜。這(zhe)種(zhong)鍍(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)具有(you)(you)(you)良好(hao)的(de)(de)(de)涂料(liao)的(de)(de)(de)密著(zhu)性和(he)焊接性。熱(re)浸鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)。將(jiang)薄鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)浸入熔解的(de)(de)(de)鋅(xin)(xin)(xin)(xin)槽(cao)中(zhong)，使(shi)其(qi)表(biao)面(mian)粘(zhan)附一層(ceng)鋅(xin)(xin)(xin)(xin)的(de)(de)(de)薄鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)。目前主(zhu)要采用連續鍍(du)鋅(xin)(xin)(xin)(xin)工藝生產，即把(ba)(ba)成(cheng)卷的(de)(de)(de)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)連續浸在熔解有(you)(you)(you)鋅(xin)(xin)(xin)(xin)的(de)(de)(de)鍍(du)槽(cao)中(zhong)制成(cheng)鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)。合(he)金、復合(he)鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)。它(ta)(ta)是用鋅(xin)(xin)(xin)(xin)和(he)其(qi)他金屬(shu)如鉛、鋅(xin)(xin)(xin)(xin)制成(cheng)合(he)金乃至復合(he)鍍(du)成(cheng)的(de)(de)(de)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)。這(zhe)種(zhong)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)既(ji)具有(you)(you)(you)防銹性能，又有(you)(you)(you)良好(hao)的(de)(de)(de)涂裝(zhuang)性能。