樓(lou)承(cheng)板(ban)(ban)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)首要(yao)起到防腐的(de)效果，按標準組合(he)樓(lou)板(ban)(ban)與非組合(he)樓(lou)板(ban)(ban)壓型鋼板(ban)(ban)應(ying)選(xuan)(xuan)用(yong)熱鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)，不(bu)該選(xuan)(xuan)用(yong)電鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)(ban)，其雙面鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)層(ceng)(ceng)(ceng)總含(han)量(liang)(liang)要(yao)滿(man)足在使(shi)用(yong)期(qi)間不(bu)致(zhi)銹(xiu)損的(de)要(yao)求。當(dang)(dang)作為非組合(he)樓(lou)承(cheng)板(ban)(ban)時(shi)，鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)層(ceng)(ceng)(ceng)含(han)量(liang)(liang)可選(xuan)(xuan)用(yong)較(jiao)(jiao)(jiao)低值(zhi);當(dang)(dang)為組合(he)樓(lou)承(cheng)板(ban)(ban)時(shi)，鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)層(ceng)(ceng)(ceng)含(han)量(liang)(liang)不(bu)該小(xiao)于150g/m2。當(dang)(dang)為組合(he)樓(lou)板(ban)(ban)且使(shi)用(yong)環境條件較(jiao)(jiao)(jiao)為惡劣時(shi)，鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)層(ceng)(ceng)(ceng)含(han)量(liang)(liang)應(ying)選(xuan)(xuan)用(yong)上限(xian)值(zhi)或(huo)更高(gao)值(zhi)。更高(gao)的(de)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)要(yao)求，如(ru)雙面鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)量(liang)(liang)為300g/m2、350g/m2或(huo)鍍(du)(du)(du)(du)(du)鋁鋅(xin)(xin)(xin)(xin)(5%鋁)275g/m2、300g/m2等，較(jiao)(jiao)(jiao)高(gao)的(de)鍍(du)(du)(du)(du)(du)層(ceng)(ceng)(ceng)量(liang)(liang)使(shi)組合(he)樓(lou)板(ban)(ban)有更長耐久(jiu)性，同(tong)等量(liang)(liang)的(de)鍍(du)(du)(du)(du)(du)鋁鋅(xin)(xin)(xin)(xin)的(de)防銹(xiu)蝕(shi)才能大約(yue)兩倍(bei)于一般熱鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)。鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)量(liang)(liang)也不(bu)是越厚越好，當(dang)(dang)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)量(liang)(liang)較(jiao)(jiao)(jiao)厚時(shi)，抗剪連接件栓釘的(de)焊接質量(liang)(liang)就很難保證，焊接時(shi)，宜選(xuan)(xuan)用(yong)局(ju)部除鋅(xin)(xin)(xin)(xin)處理措施。

鍍(du)(du)(du)鋅(xin)(xin)(xin)帶(dai)(dai)鋼(gang)的(de)鋅(xin)(xin)(xin)層(ceng)(ceng)特性 電(dian)鍍(du)(du)(du)鋅(xin)(xin)(xin)層(ceng)(ceng)是(shi)不(bu)能形(xing)成(cheng)鋅(xin)(xin)(xin)花(hua)的(de)，熱(re)鍍(du)(du)(du)鋅(xin)(xin)(xin)層(ceng)(ceng)則有(you)(you)鋅(xin)(xin)(xin)花(hua)，其(qi)形(xing)成(cheng)過程如下：當鍍(du)(du)(du)鋅(xin)(xin)(xin)帶(dai)(dai)從(cong)鋅(xin)(xin)(xin)鍋出來后，經氣(qi)刀(dao)的(de)噴吹，大(da)量鋅(xin)(xin)(xin)液(ye)被吹回鋅(xin)(xin)(xin)鍋，這時帶(dai)(dai)鋼(gang)表面還(huan)有(you)(you)純鋅(xin)(xin)(xin)層(ceng)(ceng)，呈液(ye) 態附在(zai)鋼(gang)板表面，在(zai)鋼(gang)板表面形(xing)成(cheng)大(da)量結晶核(he)，隨(sui)著鋼(gang)板上升冷(leng)卻(que)，使(shi)結晶核(he)慢(man)慢(man)長成(cheng)鋅(xin)(xin)(xin)花(hua)。冷(leng)卻(que)速度越(yue)快(kuai)鋅(xin)(xin)(xin)花(hua)越(yue)小，冷(leng)卻(que)速度越(yue)慢(man)鋅(xin)(xin)(xin)花(hua)越(yue)大(da)。熱(re)鍍(du)(du)(du)鋅(xin)(xin)(xin)帶(dai)(dai)鋼(gang)在(zai)我國(guo)市場一直是(shi)緊缺品種(zhong)。從(cong)20世紀90年代中期以來，每年都要從(cong)國(guo)外進口80-100萬t左右。隨(sui)著國(guo)內經濟的(de)發展，尤其(qi)是(shi)汽(qi)車、家電(dian)及建筑業的(de)發展，對鍍(du)(du)(du)鋅(xin)(xin)(xin)帶(dai)(dai)鋼(gang)的(de)需求量也大(da)大(da)增加。

鍍鋁鋅板價格鍍鋅是一種經常采用的經濟而有效的防腐方法。鋅產量的一半左右均用于此種工藝。鍍鋅卷是為防止鋼板表面遭受腐蝕延長其使用壽命，在鋼板表面涂以一層金屬鋅，這種涂鋅的鋼板稱為鍍鋅卷。深圳鍍鋁鋅板鍍(du)(du)鋅卷(juan)主要(yao)用于(yu)建筑、家(jia)電、汽(qi)車(che)、容器(qi)、交通及(ji)家(jia)業等(deng)(deng)(deng)領(ling)域。特別(bie)是鋼結構建筑、汽(qi)車(che)制造、鋼板倉制造等(deng)(deng)(deng)行業。耐(nai)腐(fu)蝕強、表面質量好、得利于(yu)深(shen)加工、經濟實用等(deng)(deng)(deng)。有關產品標準(zhun)都列明鍍(du)(du)鋅卷(juan)推薦的標準(zhun)厚度(du)(du)(du)、長度(du)(du)(du)和寬度(du)(du)(du)及(ji)其允許偏差(cha)(cha)。鍍(du)(du)鋅卷(juan)厚度(du)(du)(du)偏差(cha)(cha)一般(ban)在(zai)0.05mm，長寬偏差(cha)(cha)一般(ban)在(zai)5mm ，板材(cai)的厚度(du)(du)(du)一般(ban)在(zai)0.2-3.2之間 。

實現了(le)機械化生產(chan)(chan)，有利于鋼(gang)筋排列(lie)間距均勻、混凝土保(bao)護層厚度一致(zhi)，提(ti)高了(le)樓板(ban)的(de)施(shi)(shi)(shi)工(gong)質量(liang)。裝配(pei)式(shi)(shi)鋼(gang)筋桁架(jia)樓承(cheng)板(ban)可顯著減(jian)少現場鋼(gang)筋綁扎工(gong)程(cheng)量(liang)，加快施(shi)(shi)(shi)工(gong)進(jin)度，增加施(shi)(shi)(shi)工(gong)保(bao)證，實現文明施(shi)(shi)(shi)工(gong)。裝配(pei)式(shi)(shi)模板(ban)和連接件拆裝方便，可多(duo)次(ci)重復利用，節約鋼(gang)材(cai)，符合國家節能環保(bao)的(de)要求(qiu)。鋼(gang)構自主研(yan)發的(de)產(chan)(chan)品(pin)(pin)配(pei)套(tao)自動化生產(chan)(chan)設備，大大提(ti)高了(le)勞動生產(chan)(chan)率(lv)，有效(xiao)降低(di)了(le)產(chan)(chan)品(pin)(pin)成本，并(bing)編(bian)制(zhi)了(le)產(chan)(chan)品(pin)(pin)生產(chan)(chan)企業標準、設計手(shou)冊(ce)(ce)和節點(dian)構造(zao)圖集以及(ji)施(shi)(shi)(shi)工(gong)手(shou)冊(ce)(ce)。并(bing)經過多(duo)項工(gong)程(cheng)應用，各項性能可以滿足現澆鋼(gang)筋混凝土樓板(ban)承(cheng)載力和變(bian)形的(de)要求(qiu)。

鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)按用(yong)(yong)(yong)途又可(ke)(ke)分為一(yi)般(ban)用(yong)(yong)(yong)、屋頂用(yong)(yong)(yong)、建(jian)筑(zhu)外側(ce)板(ban)(ban)用(yong)(yong)(yong)、結(jie)(jie)構用(yong)(yong)(yong)、瓦壟板(ban)(ban)用(yong)(yong)(yong)、拉伸用(yong)(yong)(yong)和深(shen)沖用(yong)(yong)(yong)等(deng)(deng)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)。對于一(yi)般(ban)防(fang)保護用(yong)(yong)(yong)鍍(du)(du)層(ceng)，可(ke)(ke)以(yi)采用(yong)(yong)(yong)堿(jian)性鋅(xin)(xin)(xin)酸鹽鍍(du)(du)鋅(xin)(xin)(xin)彩色(se)鈍(dun)化工藝。有時為了(le)產品的(de)(de)(de)配(pei)色(se)需(xu)要，也可(ke)(ke)以(yi)采用(yong)(yong)(yong)藍白色(se)鈍(dun)化工藝，比如(ru)軍綠色(se)鈍(dun)化、黑色(se)鈍(dun)化等(deng)(deng)。為提高(gao)鋼(gang)(gang)管的(de)(de)(de)耐(nai)腐(fu)(fu)蝕(shi)(shi)性能(neng)(neng)，對一(yi)般(ban)鋼(gang)(gang)管進(jin)行鍍(du)(du)鋅(xin)(xin)(xin)。鍍(du)(du)鋅(xin)(xin)(xin)卷(juan)分熱(re)鍍(du)(du)鋅(xin)(xin)(xin)和電(dian)鍍(du)(du)鋅(xin)(xin)(xin)兩種，熱(re)鍍(du)(du)鋅(xin)(xin)(xin)鍍(du)(du)鋅(xin)(xin)(xin)層(ceng)厚，電(dian)鍍(du)(du)鋅(xin)(xin)(xin)成(cheng)(cheng)本低，表面(mian)不(bu)是很光滑。吹氧焊(han)(han)管：用(yong)(yong)(yong)作煉鋼(gang)(gang)吹氧用(yong)(yong)(yong)管，一(yi)般(ban)用(yong)(yong)(yong)小口(kou)徑(jing)的(de)(de)(de)焊(han)(han)接鋼(gang)(gang)管，規格由3/8-2寸八(ba)種。用(yong)(yong)(yong)08、10、15、20或(huo)者195-Q235的(de)(de)(de)鋼(gang)(gang)帶(dai)制作成(cheng)(cheng)的(de)(de)(de)，為了(le)防(fang)腐(fu)(fu)蝕(shi)(shi)，有得進(jin)行滲鋁處(chu)理。鍍(du)(du)鋅(xin)(xin)(xin)其(qi)防(fang)護作用(yong)(yong)(yong)更強，抗(kang)腐(fu)(fu)蝕(shi)(shi)能(neng)(neng)力強。整個結(jie)(jie)構由鋅(xin)(xin)(xin)，形成(cheng)(cheng)致密的(de)(de)(de)四元結(jie)(jie)晶體，此結(jie)(jie)晶體在鋼(gang)(gang)板(ban)(ban)上形成(cheng)(cheng)一(yi)層(ceng)屏障， 因而有效的(de)(de)(de)防(fang)止(zhi)腐(fu)(fu)蝕(shi)(shi)因子(zi)穿(chuan)透。 耐(nai)腐(fu)(fu)蝕(shi)(shi)性來自鋅(xin)(xin)(xin)的(de)(de)(de)障礙層(ceng)保護功能(neng)(neng)強。