樓(lou)承板(ban)(ban)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)首要起到防(fang)腐(fu)的(de)效果，按標準組(zu)(zu)合(he)樓(lou)板(ban)(ban)與非組(zu)(zu)合(he)樓(lou)板(ban)(ban)壓(ya)型(xing)鋼板(ban)(ban)應(ying)選用(yong)(yong)熱(re)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)，不該(gai)選用(yong)(yong)電鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼板(ban)(ban)，其(qi)雙面鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)層(ceng)總含(han)量(liang)(liang)要滿足在使用(yong)(yong)期(qi)間不致銹損的(de)要求。當(dang)作(zuo)為(wei)(wei)(wei)(wei)非組(zu)(zu)合(he)樓(lou)承板(ban)(ban)時，鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)可選用(yong)(yong)較低值;當(dang)為(wei)(wei)(wei)(wei)組(zu)(zu)合(he)樓(lou)承板(ban)(ban)時，鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)不該(gai)小于150g/m2。當(dang)為(wei)(wei)(wei)(wei)組(zu)(zu)合(he)樓(lou)板(ban)(ban)且使用(yong)(yong)環(huan)境條件(jian)較為(wei)(wei)(wei)(wei)惡劣時，鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)層(ceng)含(han)量(liang)(liang)應(ying)選用(yong)(yong)上限值或(huo)(huo)更高值。更高的(de)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)要求，如(ru)雙面鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)量(liang)(liang)為(wei)(wei)(wei)(wei)300g/m2、350g/m2或(huo)(huo)鍍(du)(du)(du)(du)(du)(du)鋁(lv)鋅(xin)(xin)(xin)(xin)(xin)(5%鋁(lv))275g/m2、300g/m2等(deng)，較高的(de)鍍(du)(du)(du)(du)(du)(du)層(ceng)量(liang)(liang)使組(zu)(zu)合(he)樓(lou)板(ban)(ban)有(you)更長(chang)耐久性(xing)，同等(deng)量(liang)(liang)的(de)鍍(du)(du)(du)(du)(du)(du)鋁(lv)鋅(xin)(xin)(xin)(xin)(xin)的(de)防(fang)銹蝕才能大約兩倍于一(yi)般熱(re)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)。鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)量(liang)(liang)也不是(shi)越(yue)(yue)厚越(yue)(yue)好，當(dang)鍍(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)量(liang)(liang)較厚時，抗剪連接件(jian)栓釘的(de)焊(han)接質量(liang)(liang)就(jiu)很難(nan)保證，焊(han)接時，宜選用(yong)(yong)局(ju)部除鋅(xin)(xin)(xin)(xin)(xin)處理措施。

鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)是(shi)(shi)為防(fang)止鋼(gang)(gang)板(ban)(ban)(ban)(ban)表(biao)面(mian)遭(zao)受腐蝕，延長其使(shi)(shi)(shi)用(yong)(yong)壽命，在(zai)(zai)鋼(gang)(gang)板(ban)(ban)(ban)(ban)表(biao)面(mian)涂(tu)以一層金(jin)(jin)屬鋅(xin)(xin)，這種(zhong)涂(tu)鋅(xin)(xin)的(de)薄(bo)鋼(gang)(gang)板(ban)(ban)(ban)(ban)稱(cheng)為鍍(du)(du)鋅(xin)(xin)板(ban)(ban)(ban)(ban)。鋼(gang)(gang)板(ban)(ban)(ban)(ban)也是(shi)(shi)用(yong)(yong)熱(re)(re)浸(jin)(jin)法制(zhi)(zhi)造，但在(zai)(zai)出槽后，立(li)即(ji)(ji)把(ba)它加(jia)熱(re)(re)到500℃左(zuo)右(you)，使(shi)(shi)(shi)其生(sheng)(sheng)成(cheng)(cheng)鋅(xin)(xin)和鐵(tie)的(de)合(he)金(jin)(jin)被膜。這種(zhong)鍍(du)(du)鋅(xin)(xin)卷具(ju)有良(liang)(liang)好(hao)的(de)涂(tu)料的(de)密(mi)著性(xing)和焊接(jie)性(xing)。合(he)金(jin)(jin)化(hua)鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。這種(zhong)鋼(gang)(gang)板(ban)(ban)(ban)(ban)也是(shi)(shi)用(yong)(yong)熱(re)(re)浸(jin)(jin)法制(zhi)(zhi)造，但在(zai)(zai)出槽后，立(li)即(ji)(ji)把(ba)它加(jia)熱(re)(re)到500℃左(zuo)右(you)，使(shi)(shi)(shi)其生(sheng)(sheng)成(cheng)(cheng)鋅(xin)(xin)和鐵(tie)的(de)合(he)金(jin)(jin)被膜。這種(zhong)鍍(du)(du)鋅(xin)(xin)板(ban)(ban)(ban)(ban)具(ju)有良(liang)(liang)好(hao)的(de)涂(tu)料的(de)密(mi)著性(xing)和焊接(jie)性(xing)。熱(re)(re)浸(jin)(jin)鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。將薄(bo)鋼(gang)(gang)板(ban)(ban)(ban)(ban)浸(jin)(jin)入熔(rong)解的(de)鋅(xin)(xin)槽中，使(shi)(shi)(shi)其表(biao)面(mian)粘附一層鋅(xin)(xin)的(de)薄(bo)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。目前(qian)主要采用(yong)(yong)連(lian)續鍍(du)(du)鋅(xin)(xin)工藝生(sheng)(sheng)產(chan)，即(ji)(ji)把(ba)成(cheng)(cheng)卷的(de)鋼(gang)(gang)板(ban)(ban)(ban)(ban)連(lian)續浸(jin)(jin)在(zai)(zai)熔(rong)解有鋅(xin)(xin)的(de)鍍(du)(du)槽中制(zhi)(zhi)成(cheng)(cheng)鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。合(he)金(jin)(jin)、復(fu)合(he)鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。它是(shi)(shi)用(yong)(yong)鋅(xin)(xin)和其他(ta)金(jin)(jin)屬如鉛、鋅(xin)(xin)制(zhi)(zhi)成(cheng)(cheng)合(he)金(jin)(jin)乃至復(fu)合(he)鍍(du)(du)成(cheng)(cheng)的(de)鋼(gang)(gang)板(ban)(ban)(ban)(ban)。這種(zhong)鋼(gang)(gang)板(ban)(ban)(ban)(ban)既(ji)具(ju)有防(fang)銹性(xing)能，又有良(liang)(liang)好(hao)的(de)涂(tu)裝性(xing)能。

樓承板廠家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%。攀華樓承板廠家 熱鍍(du)鋅(xin)卷板(ban)現貨消息：近(jin)來，汽(qi)車(che)行業越來越重視材料的使用(yong)壽命，用(yong)涂漆冷軋鋼板(ban)已不能滿足耐(nai)腐(fu)蝕方(fang)面的要求。在這種情況下(xia)，耐(nai)腐(fu)蝕性優良且成本低廉的熱鍍(du)鋅(xin)板(ban)開始普遍受到(dao)了汽(qi)車(che)廠家的青睞。

重慶鍍(du)(du)(du)鋅(xin)板近二十年來鋼(gang)(gang)帶連續熱(re)鍍(du)(du)(du)鋅(xin)技(ji)術(shu)、裝(zhuang)備(bei)(bei)以(yi)及(ji)相應的(de)控制(zhi)手段均有(you)巨大(da)的(de)發(fa)展，使鍍(du)(du)(du)鋅(xin)板得以(yi)滿足汽車(che)面板和家電用(yong)板的(de)苛刻要求，并(bing)從(cong)而以(yi)其比電鍍(du)(du)(du)鋅(xin)合(he)金鋼(gang)(gang)帶廉價、耐蝕性優異而大(da)有(you)取代之勢。熱(re)鍍(du)(du)(du)鋅(xin)生產技(ji)術(shu)與(yu)裝(zhuang)備(bei)(bei)開發(fa)技(ji)術(shu)及(ji)經(jing)驗，通過(guo)技(ji)術(shu)創(chuang)新、優化(hua)設(she)計、精密制(zhi)造以(yi)及(ji)國外技(ji)術(shu)合(he)作，突破(po)制(zhi)約我(wo)國高(gao)性能(neng)汽車(che)用(yong)熱(re)鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板生產技(ji)術(shu)與(yu)裝(zhuang)備(bei)(bei)發(fa)展瓶頸。

重慶鍍(du)鋅(xin)(xin)卷主要有：脫落、劃傷、鈍化(hua)斑(ban)、鋅(xin)(xin)粒、厚邊、氣(qi)刀條痕(hen)、氣(qi)刀刮痕(hen)、露(lu)(lu)鋼(gang)、夾(jia)雜、機(ji)械損傷、鋼(gang)基性能不(bu)(bu)(bu)良、浪邊、瓢曲、尺(chi)寸不(bu)(bu)(bu)合(he)、壓印、鋅(xin)(xin)層(ceng)厚度(du)不(bu)(bu)(bu)合(he)、輥印等(deng)。鋅(xin)(xin)層(ceng)脫落的(de)主要原(yuan)因有：表面(mian)氧化(hua)、有硅(gui)化(hua)合(he)物、冷扎乳化(hua)液(ye)太臟、NOF段(duan)氧化(hua)氣(qi)氛及保護(hu)氣(qi)體露(lu)(lu)點太高、空(kong)燃比(bi)不(bu)(bu)(bu)合(he)理、氫氣(qi)流(liu)量偏低(di)、爐子有氧滲入，帶鋼(gang)入鍋溫度(du)偏低(di)，RWP段(duan)爐壓偏低(di)及爐門吸風、NOF段(duan)爐溫偏低(di)，油脂蒸發不(bu)(bu)(bu)盡(jin)、鋅(xin)(xin)鍋鋁含量偏低(di)、機(ji)組速度(du)太快(kuai)、還原(yuan)不(bu)(bu)(bu)充(chong)分、鋅(xin)(xin)液(ye)中停留時間太短、鍍(du)層(ceng)偏厚。白銹和黑斑(ban)產(chan)生的(de)原(yuan)因有：黑斑(ban)是白銹進一步氧化(hua)形(xing)成的(de)鍍(du)鋅(xin)(xin)板(ban)的(de)特點與(yu)用途(tu)。鍍(du)鋅(xin)(xin)卷板(ban)是以熱軋(ya)鋼(gang)帶或冷軋(ya)鋼(gang)帶為(wei)基板(ban)，經(jing)過(guo)連續熱浸鍍(du)鋅(xin)(xin)工藝而生產(chan)出來的(de)， 產(chan)品具有耐腐(fu)蝕強、 表面(mian)質量好、有利于深加工、經(jing)濟(ji)實(shi)用等(deng)特點。