鍍(du)(du)(du)鋅(xin)鋼板按用(yong)(yong)(yong)途又可(ke)分(fen)為(wei)一(yi)(yi)般用(yong)(yong)(yong)、屋頂用(yong)(yong)(yong)、建筑(zhu)外側板用(yong)(yong)(yong)、結構用(yong)(yong)(yong)、瓦壟板用(yong)(yong)(yong)、拉伸(shen)用(yong)(yong)(yong)和深(shen)沖用(yong)(yong)(yong)等鍍(du)(du)(du)鋅(xin)鋼板。熱鍍(du)(du)(du)鋅(xin)板主要(yao)應用(yong)(yong)(yong)于建筑(zhu)外用(yong)(yong)(yong)，建筑(zhu)內用(yong)(yong)(yong)，民用(yong)(yong)(yong)，門(men)窗(chuang)，家具，機(ji)(ji)械，電子及家用(yong)(yong)(yong)電器等領域。也有機(ji)(ji)箱用(yong)(yong)(yong)這個，不(bu)過熱鍍(du)(du)(du)鋅(xin)板不(bu)放輻射的(de)。空調，冰箱，微(wei)波爐及其類(lei)似家電背面的(de)那個板就是(shi)熱鍍(du)(du)(du)鋅(xin)板。鍍(du)(du)(du)鋅(xin)層(ceng)(ceng)通(tong)過鈍(dun)化(hua)處理，可(ke)減(jian)少(shao)潮溫貯運(yun)條(tiao)件下(xia)產(chan)生折(zhe)銹蝕(shi)(白銹) 。但(dan)這種化(hua)學處理的(de)防腐蝕(shi)性(xing)能是(shi)有限(xian)的(de)，而(er)且，妨(fang)礙大多數涂料的(de)附著(zhu)性(xing)。這種處理一(yi)(yi)般不(bu)用(yong)(yong)(yong)在鋅(xin)鐵合金(jin)鍍(du)(du)(du)層(ceng)(ceng)，除光整表面外，作為(wei)常規，生產(chan)廠對其他類(lei)型的(de)鍍(du)(du)(du)鋅(xin)層(ceng)(ceng)均(jun)進行鈍(dun)化(hua)處理。

鍍鋅角鋼批發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%。酒鋼鍍鋅角鋼批發 熱(re)鍍鋅(xin)卷板(ban)現貨消息：近來(lai)，汽(qi)(qi)車(che)行業越來(lai)越重(zhong)視材(cai)料(liao)的(de)使用壽(shou)命，用涂漆冷軋鋼板(ban)已不(bu)能(neng)滿足耐腐蝕方面的(de)要求。在這(zhe)種情況下，耐腐蝕性優(you)良且成(cheng)本低(di)廉的(de)熱(re)鍍鋅(xin)板(ban)開(kai)始普遍受(shou)到(dao)了汽(qi)(qi)車(che)廠家的(de)青睞。

堆積樓承(cheng)板(ban)(ban)的(de)地(di)坪應(ying)基本平坦，鋼筋(jin)桁架樓承(cheng)板(ban)(ban)堆積不(bu)宜過(guo)(guo)高，每堆不(bu)超(chao)越(yue)60張。樓承(cheng)板(ban)(ban)運至現(xian)場，需妥善保護，不(bu)得(de)有任何損(sun)壞和污染，特(te)別不(bu)得(de)感染油污。樓承(cheng)板(ban)(ban)應(ying)根據排(pai)版圖預先(xian)切開、編號(hao)。起(qi)(qi)(qi)吊(diao)前，每捆要有兩條鋼絲(si)繩，分(fen)別捆于兩頭四分(fen)之一鋼板(ban)(ban)長度處，采用(yong)(yong)專用(yong)(yong)吊(diao)具吊(diao)起(qi)(qi)(qi)。應(ying)先(xian)行(xing)試吊(diao)，檢查重心是否(fou)穩定，鋼索是否(fou)會滑(hua)動，待牢靠，無慮時方可(ke)吊(diao)起(qi)(qi)(qi)。起(qi)(qi)(qi)吊(diao)時，應(ying)從(cong)下(xia)往上樓層次(ci)序吊(diao)料(liao)為原(yuan)則，避免(mian)因先(xian)行(xing)吊(diao)放上層資料(liao)后，阻止下(xia)面樓層的(de)吊(diao)放作業。整疊樓承(cheng)板(ban)(ban)放梁(liang)面時，應(ying)考慮梁(liang)的(de)承(cheng)載能力，避免(mian)因集中(zhong)載荷過(guo)(guo)大，造(zao)成梁(liang)的(de)變形。樓承(cheng)板(ban)(ban)吊(diao)至樓層，暫(zan)時不(bu)鋪(pu)設時，應(ying)作牢靠固定，避免(mian)飛落和滑(hua)落傷人。

熱浸鍍(du)(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)將(jiang)薄(bo)鋼(gang)板(ban)(ban)(ban)浸入熔解的(de)(de)(de)(de)鋅(xin)(xin)槽(cao)(cao)中(zhong)，使其表面(mian)粘附一(yi)層(ceng)鋅(xin)(xin)的(de)(de)(de)(de)薄(bo)鋼(gang)板(ban)(ban)(ban)。目前主要采用連(lian)續鍍(du)(du)(du)鋅(xin)(xin)工藝生(sheng)產(chan)，即把(ba)成卷的(de)(de)(de)(de)鋼(gang)板(ban)(ban)(ban)連(lian)續浸在(zai)熔解有鋅(xin)(xin)的(de)(de)(de)(de)鍍(du)(du)(du)槽(cao)(cao)中(zhong)制(zhi)成鍍(du)(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban);合(he)(he)金化鍍(du)(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)。這種鋼(gang)板(ban)(ban)(ban)也是用熱浸法制(zhi)造(zao)，但(dan)在(zai)出槽(cao)(cao)后，立即把(ba)它加(jia)熱到500 ℃左右，使其生(sheng)成鋅(xin)(xin)和(he)鐵的(de)(de)(de)(de)合(he)(he)金被膜。這種鍍(du)(du)(du)鋅(xin)(xin)板(ban)(ban)(ban)具(ju)有良好(hao)(hao)(hao)的(de)(de)(de)(de)涂(tu)料的(de)(de)(de)(de)密(mi)著性和(he)焊(han)接(jie)(jie)性;電鍍(du)(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)。用電鍍(du)(du)(du)法制(zhi)造(zao)這種鍍(du)(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)具(ju)有良好(hao)(hao)(hao)的(de)(de)(de)(de)加(jia)工性。但(dan)鍍(du)(du)(du)層(ceng)較薄(bo)，耐腐蝕性不如熱浸法鍍(du)(du)(du)鋅(xin)(xin)板(ban)(ban)(ban);單(dan)面(mian)鍍(du)(du)(du)和(he)雙(shuang)面(mian)差鍍(du)(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)。單(dan)面(mian)鍍(du)(du)(du)鋅(xin)(xin)鋼(gang)板(ban)(ban)(ban)，即只(zhi)在(zai)一(yi)面(mian)鍍(du)(du)(du)鋅(xin)(xin)的(de)(de)(de)(de)產(chan)品。在(zai)焊(han)接(jie)(jie)、涂(tu)裝、防銹處理(li)、加(jia)工等方面(mian)，具(ju)有比雙(shuang)面(mian)鍍(du)(du)(du)鋅(xin)(xin)板(ban)(ban)(ban)好(hao)(hao)(hao)的(de)(de)(de)(de)適應(ying)性。

鍍鋅(xin)帶鋼(gang)(gang)的(de)鋅(xin)層(ceng)特性 電鍍鋅(xin)層(ceng)是(shi)不能(neng)形成(cheng)鋅(xin)花的(de)，熱鍍鋅(xin)層(ceng)則有鋅(xin)花，其形成(cheng)過(guo)程如下：當鍍鋅(xin)帶從(cong)(cong)鋅(xin)鍋(guo)出來(lai)后，經(jing)(jing)氣(qi)刀的(de)噴吹，大(da)(da)量(liang)鋅(xin)液被吹回鋅(xin)鍋(guo)，這時帶鋼(gang)(gang)表面(mian)還(huan)有純鋅(xin)層(ceng)，呈液 態附在鋼(gang)(gang)板(ban)表面(mian)，在鋼(gang)(gang)板(ban)表面(mian)形成(cheng)大(da)(da)量(liang)結晶核(he)，隨著(zhu)鋼(gang)(gang)板(ban)上升(sheng)冷(leng)卻，使結晶核(he)慢慢長成(cheng)鋅(xin)花。冷(leng)卻速度越快鋅(xin)花越小，冷(leng)卻速度越慢鋅(xin)花越大(da)(da)。熱鍍鋅(xin)帶鋼(gang)(gang)在我國市場(chang)一直是(shi)緊(jin)缺(que)品種(zhong)。從(cong)(cong)20世紀(ji)90年(nian)代中期(qi)以來(lai)，每年(nian)都要從(cong)(cong)國外進口80-100萬t左右。隨著(zhu)國內經(jing)(jing)濟(ji)的(de)發展，尤其是(shi)汽車、家電及(ji)建筑業的(de)發展，對鍍鋅(xin)帶鋼(gang)(gang)的(de)需求(qiu)量(liang)也(ye)大(da)(da)大(da)(da)增加(jia)。