由(you)于(yu)我國鋅(xin)資源(yuan)比(bi)較豐(feng)富，鍍鋅(xin)又(you)是一種價(jia)廉、能防銹，又(you)能裝飾(shi)的高性價(jia)比(bi)鍍種，因而在(zai)汽車、機械、電子、船舶、儀表、輕(qing)工等(deng)(deng)工業(ye)(ye)部門(men)得到廣(guang)泛的應(ying)用(yong)(yong)。如機械零件、低壓(ya)電器、高壓(ya)開(kai)(kai)關、緊固連接(jie)件、鋼鐵結(jie)構(gou)件、建(jian)筑(zhu)五金(jin)、農業(ye)(ye)機械、輕(qing)工產(chan)品(pin)(pin)等(deng)(deng)都離不開(kai)(kai)鍍鋅(xin)鈍化(hua)制(zhi)品(pin)(pin)。鍍鋅(xin)板卷(juan)因此可分為熱軋鍍鋅(xin)板卷(juan)和冷軋熱鍍鋅(xin)板卷(juan)，它們主(zhu)要(yao)用(yong)(yong)于(yu)建(jian)筑(zhu)、家電、汽車、容(rong)器、交通及家業(ye)(ye)等(deng)(deng)領域(yu)。特別(bie)是鋼結(jie)構(gou)建(jian)筑(zhu)、汽車制(zhi)造(zao)、鋼板倉制(zhi)造(zao)等(deng)(deng)行(xing)業(ye)(ye)。 重慶鍍鋅(xin)卷(juan)特點主(zhu)要(yao)為：耐腐蝕強、表面質(zhi)量好、得利于(yu)深加工、經(jing)濟實用(yong)(yong)等(deng)(deng)。

鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)按用(yong)(yong)(yong)途又可分(fen)為一(yi)般用(yong)(yong)(yong)、屋頂(ding)用(yong)(yong)(yong)、建(jian)筑外側板(ban)用(yong)(yong)(yong)、結(jie)構用(yong)(yong)(yong)、瓦壟板(ban)用(yong)(yong)(yong)、拉(la)伸用(yong)(yong)(yong)和深沖用(yong)(yong)(yong)等(deng)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)。熱(re)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)主要應用(yong)(yong)(yong)于(yu)建(jian)筑外用(yong)(yong)(yong)，建(jian)筑內用(yong)(yong)(yong)，民用(yong)(yong)(yong)，門(men)窗，家(jia)具，機械，電(dian)子及家(jia)用(yong)(yong)(yong)電(dian)器(qi)等(deng)領(ling)域。也有(you)機箱用(yong)(yong)(yong)這個，不(bu)過熱(re)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)不(bu)放輻射的。空調(diao)，冰箱，微(wei)波爐及其類(lei)似(si)家(jia)電(dian)背面(mian)的那(nei)個板(ban)就是熱(re)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)。鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)層通(tong)過鈍化處(chu)理(li)，可減少潮溫(wen)貯(zhu)運條件下產生折銹蝕(白銹) 。但這種(zhong)化學(xue)處(chu)理(li)的防腐蝕性(xing)能是有(you)限(xian)的，而且，妨礙(ai)大多數涂(tu)料的附著性(xing)。這種(zhong)處(chu)理(li)一(yi)般不(bu)用(yong)(yong)(yong)在鋅(xin)(xin)(xin)(xin)鐵合(he)金鍍(du)(du)(du)層，除光整表面(mian)外，作為常規，生產廠對其他類(lei)型的鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)層均(jun)進行(xing)鈍化處(chu)理(li)。

彭州熱鍍鋅鋼管重慶鍍鋅卷主要有：脫落、劃傷、鈍化斑、鋅粒、厚邊、氣刀條痕、氣刀刮痕、露鋼、夾雜、機械損傷、鋼基性能不良、浪邊、瓢曲、尺寸不合、壓印、鋅層厚度不合、輥印等。熱鍍鋅鋼管價格鋅(xin)(xin)層(ceng)脫落的(de)主要原(yuan)因有(you)：表面氧化(hua)(hua)、有(you)硅化(hua)(hua)合(he)物、冷扎乳化(hua)(hua)液(ye)太(tai)(tai)臟、NOF段(duan)(duan)氧化(hua)(hua)氣氛及(ji)保護氣體露點太(tai)(tai)高、空(kong)燃比(bi)不合(he)理(li)、氫(qing)氣流(liu)量(liang)(liang)偏(pian)低(di)、爐(lu)子有(you)氧滲入，帶(dai)鋼(gang)入鍋溫度(du)偏(pian)低(di)，RWP段(duan)(duan)爐(lu)壓偏(pian)低(di)及(ji)爐(lu)門(men)吸風、NOF段(duan)(duan)爐(lu)溫偏(pian)低(di)，油(you)脂蒸發不盡、鋅(xin)(xin)鍋鋁含(han)量(liang)(liang)偏(pian)低(di)、機組速度(du)太(tai)(tai)快、還原(yuan)不充分、鋅(xin)(xin)液(ye)中停留時間太(tai)(tai)短、鍍層(ceng)偏(pian)厚。白銹和(he)黑斑(ban)產(chan)生(sheng)的(de)原(yuan)因有(you)：黑斑(ban)是白銹進一(yi)步(bu)氧化(hua)(hua)形(xing)成的(de)鍍鋅(xin)(xin)板(ban)的(de)特(te)(te)點與用途。鍍鋅(xin)(xin)卷(juan)板(ban)是以熱(re)軋鋼(gang)帶(dai)或冷軋鋼(gang)帶(dai)為基(ji)板(ban)，經(jing)過連續熱(re)浸(jin)鍍鋅(xin)(xin)工藝而生(sheng)產(chan)出(chu)來的(de)， 產(chan)品具有(you)耐腐蝕強、 表面質量(liang)(liang)好、有(you)利于(yu)深加工、經(jing)濟實用等特(te)(te)點。

樓(lou)承(cheng)板(ban)(ban)(ban)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)首要起到防腐的(de)效果，按標準(zhun)組合樓(lou)板(ban)(ban)(ban)與非(fei)組合樓(lou)板(ban)(ban)(ban)壓型鋼板(ban)(ban)(ban)應選(xuan)用(yong)(yong)(yong)(yong)熱鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)，不該選(xuan)用(yong)(yong)(yong)(yong)電鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼板(ban)(ban)(ban)，其雙面(mian)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)層(ceng)總含量(liang)(liang)要滿足在(zai)使(shi)用(yong)(yong)(yong)(yong)期間(jian)不致銹損(sun)的(de)要求。當(dang)(dang)(dang)作(zuo)為非(fei)組合樓(lou)承(cheng)板(ban)(ban)(ban)時(shi)，鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)層(ceng)含量(liang)(liang)可選(xuan)用(yong)(yong)(yong)(yong)較低值(zhi);當(dang)(dang)(dang)為組合樓(lou)承(cheng)板(ban)(ban)(ban)時(shi)，鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)層(ceng)含量(liang)(liang)不該小于150g/m2。當(dang)(dang)(dang)為組合樓(lou)板(ban)(ban)(ban)且使(shi)用(yong)(yong)(yong)(yong)環(huan)境條件較為惡(e)劣(lie)時(shi)，鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)層(ceng)含量(liang)(liang)應選(xuan)用(yong)(yong)(yong)(yong)上限值(zhi)或(huo)更高值(zhi)。更高的(de)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)要求，如(ru)雙面(mian)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)量(liang)(liang)為300g/m2、350g/m2或(huo)鍍(du)(du)(du)(du)(du)鋁(lv)鋅(xin)(xin)(xin)(5%鋁(lv))275g/m2、300g/m2等，較高的(de)鍍(du)(du)(du)(du)(du)層(ceng)量(liang)(liang)使(shi)組合樓(lou)板(ban)(ban)(ban)有更長(chang)耐久性，同等量(liang)(liang)的(de)鍍(du)(du)(du)(du)(du)鋁(lv)鋅(xin)(xin)(xin)的(de)防銹蝕才(cai)能大(da)約兩倍于一般熱鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)。鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)量(liang)(liang)也不是(shi)越厚越好，當(dang)(dang)(dang)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)量(liang)(liang)較厚時(shi)，抗(kang)剪連接件栓釘的(de)焊接質量(liang)(liang)就很難保證(zheng)，焊接時(shi)，宜選(xuan)用(yong)(yong)(yong)(yong)局部(bu)除鋅(xin)(xin)(xin)處理措(cuo)施。