鍍(du)(du)(du)(du)(du)鋅(xin)鋼板的(de)(de)(de)表面(mian)鍍(du)(du)(du)(du)(du)鋅(xin)主要采用的(de)(de)(de)方法(fa)是(shi)(shi)熱鍍(du)(du)(du)(du)(du)鋅(xin)。熱鍍(du)(du)(du)(du)(du)鋅(xin)是(shi)(shi)由(you)較(jiao)古老的(de)(de)(de)熱鍍(du)(du)(du)(du)(du)方法(fa)發(fa)展而來的(de)(de)(de)，自從1836年法(fa)國把熱鍍(du)(du)(du)(du)(du)鋅(xin)應用于工業以來，已經有(you)(you)一百七十(shi)年的(de)(de)(de)歷史(shi)了(le)。然而，熱鍍(du)(du)(du)(du)(du)鋅(xin)工業是(shi)(shi)近(jin)三十(shi)年來伴隨冷(leng)軋(ya)帶鋼的(de)(de)(de)飛(fei)速發(fa)展而得到了(le)大規模發(fa)展。鍍(du)(du)(du)(du)(du)鋅(xin)溶(rong)液(ye)(ye)有(you)(you)氰(qing)(qing)(qing)(qing)(qing)化(hua)(hua)物(wu)鍍(du)(du)(du)(du)(du)液(ye)(ye)和(he)無(wu)氰(qing)(qing)(qing)(qing)(qing)鍍(du)(du)(du)(du)(du)液(ye)(ye)兩類(lei)。氰(qing)(qing)(qing)(qing)(qing)化(hua)(hua)物(wu)鍍(du)(du)(du)(du)(du)液(ye)(ye)中分微(wei)氰(qing)(qing)(qing)(qing)(qing)、低(di)氰(qing)(qing)(qing)(qing)(qing)、中氰(qing)(qing)(qing)(qing)(qing)、和(he)高氰(qing)(qing)(qing)(qing)(qing)幾類(lei)。無(wu)氰(qing)(qing)(qing)(qing)(qing)鍍(du)(du)(du)(du)(du)液(ye)(ye)有(you)(you)堿(jian)性(xing)鋅(xin)酸鹽鍍(du)(du)(du)(du)(du)液(ye)(ye)、銨鹽鍍(du)(du)(du)(du)(du)液(ye)(ye)、硫酸鹽鍍(du)(du)(du)(du)(du)液(ye)(ye)及無(wu)氨(an)氯化(hua)(hua)物(wu)鍍(du)(du)(du)(du)(du)液(ye)(ye)等(deng)。氰(qing)(qing)(qing)(qing)(qing)化(hua)(hua)鍍(du)(du)(du)(du)(du)鋅(xin)溶(rong)液(ye)(ye)均(jun)鍍(du)(du)(du)(du)(du)能力好，得到的(de)(de)(de)鍍(du)(du)(du)(du)(du)層光(guang)滑(hua)細致，在生產中被長期(qi)采用。但由(you)于氰(qing)(qing)(qing)(qing)(qing)化(hua)(hua)物(wu)劇毒，對環境污染(ran)嚴(yan)重，近(jin)年來已趨向于采用低(di)氰(qing)(qing)(qing)(qing)(qing)、微(wei)氰(qing)(qing)(qing)(qing)(qing)、無(wu)氰(qing)(qing)(qing)(qing)(qing)鍍(du)(du)(du)(du)(du)鋅(xin)溶(rong)液(ye)(ye)。

鍍鋅(xin)(xin)(xin)帶(dai)(dai)鋼(gang)的(de)鋅(xin)(xin)(xin)層特性 電(dian)鍍鋅(xin)(xin)(xin)層是(shi)(shi)不能(neng)形成(cheng)鋅(xin)(xin)(xin)花的(de)，熱(re)(re)鍍鋅(xin)(xin)(xin)層則有(you)鋅(xin)(xin)(xin)花，其形成(cheng)過程(cheng)如下：當鍍鋅(xin)(xin)(xin)帶(dai)(dai)從(cong)鋅(xin)(xin)(xin)鍋出來后(hou)，經(jing)氣刀的(de)噴吹，大量(liang)鋅(xin)(xin)(xin)液(ye)被吹回鋅(xin)(xin)(xin)鍋，這時(shi)帶(dai)(dai)鋼(gang)表面(mian)還有(you)純鋅(xin)(xin)(xin)層，呈液(ye) 態附在鋼(gang)板(ban)(ban)表面(mian)，在鋼(gang)板(ban)(ban)表面(mian)形成(cheng)大量(liang)結(jie)晶核(he)，隨著(zhu)鋼(gang)板(ban)(ban)上升冷(leng)卻，使結(jie)晶核(he)慢慢長成(cheng)鋅(xin)(xin)(xin)花。冷(leng)卻速度(du)越(yue)快鋅(xin)(xin)(xin)花越(yue)小，冷(leng)卻速度(du)越(yue)慢鋅(xin)(xin)(xin)花越(yue)大。熱(re)(re)鍍鋅(xin)(xin)(xin)帶(dai)(dai)鋼(gang)在我(wo)國市(shi)場(chang)一直是(shi)(shi)緊缺品(pin)種(zhong)。從(cong)20世紀90年(nian)代中期以來，每年(nian)都要從(cong)國外進口(kou)80-100萬(wan)t左右。隨著(zhu)國內(nei)經(jing)濟的(de)發(fa)展(zhan)，尤其是(shi)(shi)汽(qi)車、家電(dian)及建筑(zhu)業的(de)發(fa)展(zhan)，對鍍鋅(xin)(xin)(xin)帶(dai)(dai)鋼(gang)的(de)需求量(liang)也(ye)大大增(zeng)加(jia)。

彩涂板批發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。酒鋼彩涂板批發熱鍍(du)鋅(xin)板(ban)主要應用(yong)于(yu)建(jian)筑外(wai)用(yong)，建(jian)筑內用(yong)，民用(yong)，門窗，家具，機(ji)械，電(dian)子及家用(yong)電(dian)器等領域。也(ye)有機(ji)箱用(yong)這個，不(bu)過熱鍍(du)鋅(xin)板(ban)不(bu)放(fang)輻射的(de)(de)。空調，冰箱，微(wei)波爐及其類似家電(dian)背(bei)面(mian)的(de)(de)那個板(ban)就(jiu)是熱鍍(du)鋅(xin)板(ban)。鍍(du)鋅(xin)層通過鈍(dun)化(hua)處(chu)(chu)理，可減(jian)少潮(chao)溫(wen)貯運條(tiao)件(jian)下(xia)產生(sheng)折銹蝕(白(bai)銹) 。但這種化(hua)學處(chu)(chu)理的(de)(de)防腐蝕性能是有限的(de)(de)，而且，妨礙大多(duo)數(shu)涂料的(de)(de)附著性。這種處(chu)(chu)理一般不(bu)用(yong)在鋅(xin)鐵合金鍍(du)層，除光整表面(mian)外(wai)，作為常(chang)規，生(sheng)產廠(chang)對其他類型的(de)(de)鍍(du)鋅(xin)層均進行鈍(dun)化(hua)處(chu)(chu)理。

樓(lou)(lou)承(cheng)板(ban)(ban)的使(shi)用(yong)(yong)是需要(yao)安裝(zhuang)的，那(nei)么(me)如果要(yao)安裝(zhuang)就要(yao)選擇(ze)合適(shi)的小配件，焊后栓釘(ding)高(gao)(gao)度(du)大(da)于壓型(xing)(xing)鋼(gang)(gang)板(ban)(ban)波(bo)高(gao)(gao)30MM(留意挑選樓(lou)(lou)板(ban)(ban)的類(lei)型(xing)(xing));栓釘(ding)頂面(mian)混(hun)凝(ning)土(tu)保護層不(bu)小于15MM(留意樓(lou)(lou)板(ban)(ban)總厚(hou)(hou)度(du))直徑不(bu)宜大(da)于19MM。樓(lou)(lou)承(cheng)板(ban)(ban)栓釘(ding)類(lei)型(xing)(xing)有ф8、ф10、ф13、ф16、ф19、ф22、ф25，栓釘(ding)一般(ban)在鋼(gang)(gang)結構修(xiu)建中(zhong)(zhong),遍及使(shi)用(yong)(yong)在柱(zhu)腳(jiao)和樓(lou)(lou)板(ban)(ban)中(zhong)(zhong),一般(ban)剛度(du)要(yao)求(qiu)高(gao)(gao)的柱(zhu)腳(jiao)都選用(yong)(yong)鋼(gang)(gang)柱(zhu)內(nei)伸至混(hun)凝(ning)土(tu)中(zhong)(zhong)，鋼(gang)(gang)柱(zhu)埋(mai)入混(hun)凝(ning)土(tu)的部位四周均布栓釘(ding)。樓(lou)(lou)承(cheng)板(ban)(ban)輕鋼(gang)(gang)結構常用(yong)(yong)厚(hou)(hou)度(du)為0.8mm,1.0mm，1.2mm,荷(he)載較大(da)的情況下會用(yong)(yong)到1.5mm。一般(ban)需要(yao)用(yong)(yong)栓釘(ding)與鋼(gang)(gang)梁銜接(jie)，板(ban)(ban)中(zhong)(zhong)配少(shao)量鋼(gang)(gang)筋(jin)，上面(mian)澆(jiao)混(hun)凝(ning)土(tu)層，總厚(hou)(hou)度(du)約在100-200mm之間。

近期(qi)(qi)鋼(gang)價(jia)延續低(di)迷(mi)，隨著通國規模的酷暑和旱(han)季到來，熱鍍鋅卷板價(jia)格(ge)商場(chang)逐漸(jian)進入需要(yao)旺(wang)季，海內(nei)鋼(gang)鐵商場(chang)或將(jiang)窄(zhai)幅調整。在決策層(ceng)兩手抓制度措(cuo)施(shi)落實狀況、貨銀本位(wei)度定(ding)向寬松力度加大的直觀層(ceng)面利(li)好牽動下，商場(chang)信念逐漸(jian)趨穩，短(duan)期(qi)(qi)海內(nei)鋼(gang)價(jia)無望止跌(die)(die)企穩;另一上面，以后鋼(gang)價(jia)殺跌(die)(die)電能有(you)余，而上漲也仍(reng)然屏障重重。熱鍍鋅卷板價(jia)格(ge)價(jia)錢或將(jiang)長期(qi)(qi)在于低(di)位(wei)運(yun)行(xing)場(chang)面。

熱鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)和(he)電(dian)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)在鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)量(liang)上有很(hen)(hen)大的(de)(de)(de)(de)(de)差別(bie)，就像(xiang)山(shan)東彩(cai)涂(tu)卷）。熱鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)的(de)(de)(de)(de)(de)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)量(liang)不(bu)可(ke)能(neng)太小(xiao)，一般(ban)較小(xiao)為雙(shuang)面50～60g／m2，較大可(ke)達600g／m2。電(dian)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)的(de)(de)(de)(de)(de)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)層(ceng)可(ke)以很(hen)(hen)薄，較小(xiao)達15g／m2，但(dan)要求鍍層(ceng)較厚的(de)(de)(de)(de)(de)話(hua)則生產(chan)線(xian)速度很(hen)(hen)慢，不(bu)適應現代化(hua)機(ji)組的(de)(de)(de)(de)(de)工(gong)藝特點，一般(ban)較大為lO0g／m2左右(you)。正(zheng)因為如此，電(dian)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)的(de)(de)(de)(de)(de)生產(chan)受到很(hen)(hen)大的(de)(de)(de)(de)(de)限制(zhi)。工(gong)一般(ban)電(dian)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)比較多，適用于小(xiao)部(bu)件；熱鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)一般(ban)用于電(dian)力設(she)備和(he)構件，適用于大的(de)(de)(de)(de)(de)部(bu)件和(he)設(she)備。當然他(ta)們的(de)(de)(de)(de)(de)價(jia)格也相對便宜一些。建(jian)設(she)部(bu)已正(zheng)式下(xia)文，淘汰技(ji)術落(luo)后的(de)(de)(de)(de)(de)冷(leng)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)管(guan)，不(bu)準用冷(leng)鍍鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)管(guan)作水、煤氣(qi)管(guan)。