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鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板為(wei)基板的(de)彩涂(tu)(tu)(tu)鋼(gang)(gang)(gang)(gang)板,除(chu)有(you)(you)鋅(xin)(xin)(xin)保護外,鋅(xin)(xin)(xin)層(ceng)上(shang)的(de)有(you)(you)機(ji)涂(tu)(tu)(tu)層(ceng)起了(le)覆(fu)蓋(gai)隔離作(zuo)用,可(ke)防止鋼(gang)(gang)(gang)(gang)板生銹,使用壽命比(bi)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板更長(chang),據介紹涂(tu)(tu)(tu)層(ceng)鋼(gang)(gang)(gang)(gang)板的(de)使用壽命比(bi)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板長(chang)50%。在連(lian)續機(ji)組上(shang)以冷軋帶(dai)(dai)鋼(gang)(gang)(gang)(gang),鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)帶(dai)(dai)鋼(gang)(gang)(gang)(gang)(電鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)和熱鍍(du)(du)(du)(du)鋅(xin)(xin)(xin))為(wei)基板,經(jing)過表面(mian)預(yu)(yu)處理(li)(脫脂和化學處理(li)),用輥(gun)涂(tu)(tu)(tu)的(de)方法,涂(tu)(tu)(tu)上(shang)一層(ceng)或多(duo)層(ceng)液態涂(tu)(tu)(tu)料,經(jing)過烘烤(kao)和冷卻所得的(de)板材即為(wei)涂(tu)(tu)(tu)層(ceng)鋼(gang)(gang)(gang)(gang)板。由于(yu)涂(tu)(tu)(tu)層(ceng)可(ke)以有(you)(you)各種不同(tong)的(de)顏色,習慣上(shang)把(ba)涂(tu)(tu)(tu)層(ceng)鋼(gang)(gang)(gang)(gang)板叫做彩色涂(tu)(tu)(tu)層(ceng)鋼(gang)(gang)(gang)(gang)板。又由于(yu)涂(tu)(tu)(tu)層(ceng)是在鋼(gang)(gang)(gang)(gang)板成型加工之(zhi)前進(jin)行的(de),在國外這(zhe)叫做預(yu)(yu)涂(tu)(tu)(tu)層(ceng)鋼(gang)(gang)(gang)(gang)板。
樓(lou)承(cheng)板(ban)(ban)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)首要起到防腐(fu)的(de)效果,按標準組合(he)(he)樓(lou)板(ban)(ban)與非組合(he)(he)樓(lou)板(ban)(ban)壓型鋼(gang)板(ban)(ban)應選用(yong)熱鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin),不(bu)該選用(yong)電鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban),其雙面(mian)(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)層(ceng)總含(han)量(liang)(liang)要滿足在使用(yong)期間不(bu)致銹損的(de)要求(qiu)。當作(zuo)為(wei)(wei)非組合(he)(he)樓(lou)承(cheng)板(ban)(ban)時(shi)(shi),鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)可選用(yong)較(jiao)低值;當為(wei)(wei)組合(he)(he)樓(lou)承(cheng)板(ban)(ban)時(shi)(shi),鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)不(bu)該小(xiao)于150g/m2。當為(wei)(wei)組合(he)(he)樓(lou)板(ban)(ban)且使用(yong)環(huan)境條件(jian)較(jiao)為(wei)(wei)惡劣時(shi)(shi),鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)應選用(yong)上限值或更高(gao)值。更高(gao)的(de)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)要求(qiu),如雙面(mian)(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)量(liang)(liang)為(wei)(wei)300g/m2、350g/m2或鍍(du)(du)(du)鋁(lv)(lv)鋅(xin)(xin)(xin)(xin)(xin)(5%鋁(lv)(lv))275g/m2、300g/m2等(deng),較(jiao)高(gao)的(de)鍍(du)(du)(du)層(ceng)量(liang)(liang)使組合(he)(he)樓(lou)板(ban)(ban)有更長耐久(jiu)性,同等(deng)量(liang)(liang)的(de)鍍(du)(du)(du)鋁(lv)(lv)鋅(xin)(xin)(xin)(xin)(xin)的(de)防銹蝕才(cai)能大約兩倍于一般熱鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)。鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)量(liang)(liang)也不(bu)是越(yue)厚越(yue)好(hao),當鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)量(liang)(liang)較(jiao)厚時(shi)(shi),抗剪連(lian)接件(jian)栓釘的(de)焊(han)(han)接質量(liang)(liang)就很難保證(zheng),焊(han)(han)接時(shi)(shi),宜選用(yong)局部(bu)除鋅(xin)(xin)(xin)(xin)(xin)處理措(cuo)施(shi)。
熱(re)鍍(du)鋅(xin)(xin)卷板現(xian)貨消(xiao)息:熱(re)鍍(du)鋅(xin)(xin)產(chan)品廣泛用于(yu)建(jian)筑(zhu)、家(jia)電(dian)、車船、容器制(zhi)造業、機(ji)電(dian)業等,幾乎涉及到衣食住行各(ge)個領域。近年來,世界鍍(du)鋅(xin)(xin)鋼板需(xu)求量不斷增(zeng)加,產(chan)量增(zeng)長也很快(kuai),在(zai)(zai)美、日等鋼材生產(chan)大(da)國,熱(re)鍍(du)鋅(xin)(xin)鋼板在(zai)(zai)鋼材中所占(zhan)比例已高達13%-15%。 熱(re)鍍(du)鋅(xin)(xin)卷板現(xian)貨消(xiao)息:近來,汽(qi)車行業越來越重(zhong)視材料的(de)使用壽(shou)命,用涂漆冷軋(ya)鋼板已不能滿足耐腐蝕方(fang)面的(de)要(yao)求。在(zai)(zai)這種情(qing)況下,耐腐蝕性優(you)良且(qie)成(cheng)本低廉(lian)的(de)熱(re)鍍(du)鋅(xin)(xin)板開始(shi)普遍受到了汽(qi)車廠家(jia)的(de)青睞。
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。城口鍍鋁鋅板鍍鋅卷(juan)主要用于建筑(zhu)、家電、汽車、容器、交通及家業(ye)等(deng)領域。特(te)別是鋼結(jie)構建筑(zhu)、汽車制造、鋼板倉制造等(deng)行業(ye)。耐腐(fu)蝕強、表面質量(liang)好、得(de)利于深加工、經濟實用等(deng)。有關產(chan)品標(biao)準都列(lie)明鍍鋅卷(juan)推薦的(de)標(biao)準厚度、長(chang)度和寬度及其允許偏差。鍍鋅卷(juan)厚度偏差一般在0.05mm,長(chang)寬偏差一般在5mm ,板材的(de)厚度一般在0.2-3.2之間 。
鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)按用(yong)(yong)(yong)途又可分為(wei)一(yi)般(ban)用(yong)(yong)(yong)、屋頂用(yong)(yong)(yong)、建筑外側板(ban)(ban)(ban)用(yong)(yong)(yong)、結(jie)構用(yong)(yong)(yong)、瓦壟(long)板(ban)(ban)(ban)用(yong)(yong)(yong)、拉伸用(yong)(yong)(yong)和深沖用(yong)(yong)(yong)等鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)。對于一(yi)般(ban)防保(bao)護用(yong)(yong)(yong)鍍(du)(du)層(ceng),可以采用(yong)(yong)(yong)堿性鋅(xin)(xin)(xin)酸鹽(yan)鍍(du)(du)鋅(xin)(xin)(xin)彩色鈍化(hua)工藝(yi)。有時為(wei)了產品的(de)(de)配色需要,也可以采用(yong)(yong)(yong)藍白色鈍化(hua)工藝(yi),比如軍綠色鈍化(hua)、黑色鈍化(hua)等。為(wei)提高鋼(gang)管(guan)(guan)的(de)(de)耐腐(fu)(fu)蝕(shi)性能,對一(yi)般(ban)鋼(gang)管(guan)(guan)進行(xing)鍍(du)(du)鋅(xin)(xin)(xin)。鍍(du)(du)鋅(xin)(xin)(xin)卷分熱(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)本低,表面不是(shi)很(hen)光(guang)滑。吹氧焊管(guan)(guan):用(yong)(yong)(yong)作煉鋼(gang)吹氧用(yong)(yong)(yong)管(guan)(guan),一(yi)般(ban)用(yong)(yong)(yong)小口徑的(de)(de)焊接鋼(gang)管(guan)(guan),規(gui)格由(you)3/8-2寸八種。用(yong)(yong)(yong)08、10、15、20或者195-Q235的(de)(de)鋼(gang)帶制作成(cheng)的(de)(de),為(wei)了防腐(fu)(fu)蝕(shi),有得進行(xing)滲(shen)鋁處理。鍍(du)(du)鋅(xin)(xin)(xin)其(qi)防護作用(yong)(yong)(yong)更(geng)強(qiang)(qiang),抗腐(fu)(fu)蝕(shi)能力強(qiang)(qiang)。整個結(jie)構由(you)鋅(xin)(xin)(xin),形成(cheng)致密的(de)(de)四(si)元結(jie)晶體,此結(jie)晶體在鋼(gang)板(ban)(ban)(ban)上形成(cheng)一(yi)層(ceng)屏障, 因而有效的(de)(de)防止腐(fu)(fu)蝕(shi)因子穿透。 耐腐(fu)(fu)蝕(shi)性來自鋅(xin)(xin)(xin)的(de)(de)障礙層(ceng)保(bao)護功(gong)能強(qiang)(qiang)。