鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼板的(de)表(biao)面鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)主要采用的(de)方法是熱(re)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)。熱(re)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)是由較古(gu)老的(de)熱(re)鍍(du)(du)(du)(du)(du)(du)(du)(du)方法發(fa)展(zhan)而(er)來(lai)(lai)的(de)，自從(cong)1836年(nian)法國把熱(re)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)應用于工業以來(lai)(lai)，已經有一百七(qi)十年(nian)的(de)歷史了。然而(er)，熱(re)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)工業是近三十年(nian)來(lai)(lai)伴隨冷軋帶鋼的(de)飛速發(fa)展(zhan)而(er)得(de)到了大規模發(fa)展(zhan)。鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)溶(rong)液(ye)有氰(qing)(qing)化(hua)物(wu)(wu)鍍(du)(du)(du)(du)(du)(du)(du)(du)液(ye)和無(wu)氰(qing)(qing)鍍(du)(du)(du)(du)(du)(du)(du)(du)液(ye)兩類(lei)。氰(qing)(qing)化(hua)物(wu)(wu)鍍(du)(du)(du)(du)(du)(du)(du)(du)液(ye)中(zhong)(zhong)分微氰(qing)(qing)、低氰(qing)(qing)、中(zhong)(zhong)氰(qing)(qing)、和高氰(qing)(qing)幾類(lei)。無(wu)氰(qing)(qing)鍍(du)(du)(du)(du)(du)(du)(du)(du)液(ye)有堿性鋅(xin)(xin)(xin)酸鹽鍍(du)(du)(du)(du)(du)(du)(du)(du)液(ye)、銨鹽鍍(du)(du)(du)(du)(du)(du)(du)(du)液(ye)、硫酸鹽鍍(du)(du)(du)(du)(du)(du)(du)(du)液(ye)及無(wu)氨氯化(hua)物(wu)(wu)鍍(du)(du)(du)(du)(du)(du)(du)(du)液(ye)等。氰(qing)(qing)化(hua)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)溶(rong)液(ye)均鍍(du)(du)(du)(du)(du)(du)(du)(du)能力好(hao)，得(de)到的(de)鍍(du)(du)(du)(du)(du)(du)(du)(du)層(ceng)光滑細致，在生產中(zhong)(zhong)被(bei)長期采用。但由于氰(qing)(qing)化(hua)物(wu)(wu)劇毒，對環(huan)境污染嚴重，近年(nian)來(lai)(lai)已趨(qu)向于采用低氰(qing)(qing)、微氰(qing)(qing)、無(wu)氰(qing)(qing)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)溶(rong)液(ye)。

樓(lou)(lou)承(cheng)板(ban)組合板(ban)是(shi)一(yi)種十分合理的結(jie)構方式，它能(neng)(neng)(neng)夠(gou)(gou)按其(qi)各組成部(bu)件所處的方位和(he)(he)特色，充(chong)分發揮(hui)鋼材(cai)抗(kang)拉和(he)(he)混(hun)凝土(tu)抗(kang)壓功能(neng)(neng)(neng)好的長處，并具有杰出的抗(kang)震功能(neng)(neng)(neng)、施(shi)工(gong)(gong)(gong)功能(neng)(neng)(neng)。這種結(jie)構現在被廣泛運用于(yu)國(guo)內外修(xiu)建中，但在國(guo)內大(da)都(dou)將(jiang)樓(lou)(lou)承(cheng)板(ban)當作(zuo)模板(ban)運用，而沒有充(chong)分發揮(hui)樓(lou)(lou)承(cheng)板(ban)的效果。 與一(yi)般鋼筋(jin)混(hun)凝土(tu)樓(lou)(lou)板(ban)比較，樓(lou)(lou)承(cheng)板(ban)組合樓(lou)(lou)板(ban)具備以(yi)下長處：樓(lou)(lou)承(cheng)板(ban)能(neng)(neng)(neng)夠(gou)(gou)作(zuo)為現澆混(hun)凝土(tu)的模板(ban)。這樣(yang)就省掉(diao)了施(shi)工(gong)(gong)(gong)中裝(zhuang)置和(he)(he)撤除模板(ban)等工(gong)(gong)(gong)序(xu)，然后(hou)(hou)節(jie)約了時刻和(he)(he)勞動力;當樓(lou)(lou)承(cheng)板(ban)裝(zhuang)置好今后(hou)(hou)將(jiang)能(neng)(neng)(neng)夠(gou)(gou)作(zuo)為施(shi)工(gong)(gong)(gong)平(ping)臺運用。

鍍鋁鋅板廠家熱鍍鋅卷板價格行業統計數據顯示，十一月國內粗鋼日均產量為兩百零九萬噸，環比下降3.3%，創出今年以來水平，但是當前減產受到季節性因素支撐，市場對數據有效性提出質疑。開遠鍍鋁鋅板鍍鋅卷(juan)(juan)工(gong)業品而(er)言，近期陸續(xu)公布的重要數據中性偏多。但值(zhi)得注意的是(shi)，同年十一月熱(re)鍍鋅卷(juan)(juan)板價(jia)格工(gong)業增加(jia)(jia)值(zhi)和投資增速放緩，進(jin)一步印(yin)證了國(guo)內總需求乏力，工(gong)業復蘇(su)形勢不(bu)容樂觀。加(jia)(jia)上(shang)未(wei)(wei)來經(jing)濟(ji)結構調整等因素，工(gong)業品價(jia)格反彈(dan)高(gao)度(du)將有(you)限。傳(chuan)統需求淡(dan)(dan)季效(xiao)(xiao)應還在持(chi)續(xu)不(bu)斷地發(fa)酵，冬儲效(xiao)(xiao)果(guo)不(bu)佳。雖然(ran)數據顯示供應壓力開(kai)始減(jian)輕，但是(shi)目前處(chu)于(yu)鋼(gang)鐵需求淡(dan)(dan)季，市場(chang)成(cheng)交萎(wei)縮，下游采(cai)購遲遲未(wei)(wei)能有(you)效(xiao)(xiao)跟進(jin)，市場(chang)信心不(bu)足，鍍鋅鋼(gang)板貿易(yi)商囤(dun)貨現象也不(bu)明顯。

樓(lou)(lou)(lou)(lou)承板(ban)(ban)鍍(du)鋅(xin)(xin)(xin)首要(yao)起到防腐的(de)(de)(de)(de)(de)效果，按標準組合樓(lou)(lou)(lou)(lou)板(ban)(ban)與非(fei)組合樓(lou)(lou)(lou)(lou)板(ban)(ban)壓型(xing)鋼(gang)(gang)板(ban)(ban)應(ying)選(xuan)用(yong)熱鍍(du)鋅(xin)(xin)(xin)，不(bu)該選(xuan)用(yong)電鍍(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)，其(qi)雙面鍍(du)鋅(xin)(xin)(xin)層(ceng)總(zong)含(han)量(liang)(liang)(liang)(liang)要(yao)滿足(zu)在使(shi)用(yong)期間不(bu)致銹損的(de)(de)(de)(de)(de)要(yao)求。當(dang)作為(wei)(wei)非(fei)組合樓(lou)(lou)(lou)(lou)承板(ban)(ban)時(shi)，鍍(du)鋅(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)(liang)(liang)可(ke)選(xuan)用(yong)較(jiao)低值;當(dang)為(wei)(wei)組合樓(lou)(lou)(lou)(lou)承板(ban)(ban)時(shi)，鍍(du)鋅(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)(liang)(liang)不(bu)該小于150g/m2。當(dang)為(wei)(wei)組合樓(lou)(lou)(lou)(lou)板(ban)(ban)且使(shi)用(yong)環境條件較(jiao)為(wei)(wei)惡(e)劣時(shi)，鍍(du)鋅(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)(liang)(liang)應(ying)選(xuan)用(yong)上限值或更高(gao)值。更高(gao)的(de)(de)(de)(de)(de)鍍(du)鋅(xin)(xin)(xin)要(yao)求，如雙面鍍(du)鋅(xin)(xin)(xin)量(liang)(liang)(liang)(liang)為(wei)(wei)300g/m2、350g/m2或鍍(du)鋁(lv)鋅(xin)(xin)(xin)(5%鋁(lv))275g/m2、300g/m2等(deng)，較(jiao)高(gao)的(de)(de)(de)(de)(de)鍍(du)層(ceng)量(liang)(liang)(liang)(liang)使(shi)組合樓(lou)(lou)(lou)(lou)板(ban)(ban)有(you)更長(chang)耐久性，同等(deng)量(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)鍍(du)鋁(lv)鋅(xin)(xin)(xin)的(de)(de)(de)(de)(de)防銹蝕才能(neng)大約兩倍于一般熱鍍(du)鋅(xin)(xin)(xin)。鍍(du)鋅(xin)(xin)(xin)量(liang)(liang)(liang)(liang)也不(bu)是越(yue)(yue)厚越(yue)(yue)好，當(dang)鍍(du)鋅(xin)(xin)(xin)量(liang)(liang)(liang)(liang)較(jiao)厚時(shi)，抗剪連接(jie)(jie)件栓釘的(de)(de)(de)(de)(de)焊(han)接(jie)(jie)質(zhi)量(liang)(liang)(liang)(liang)就很難(nan)保證，焊(han)接(jie)(jie)時(shi)，宜(yi)選(xuan)用(yong)局部除鋅(xin)(xin)(xin)處理措(cuo)施。