重慶(qing)鍍鋅(xin)卷(juan)主(zhu)要有：脫(tuo)落、劃傷、鈍(dun)化(hua)斑(ban)、鋅(xin)粒、厚(hou)邊、氣刀條痕、氣刀刮(gua)痕、露鋼、夾雜、機械損傷、鋼基性能(neng)不良(liang)、浪邊、瓢曲(qu)、尺(chi)寸不合、壓印、鋅(xin)層厚(hou)度(du)不合、輥印等。鋅(xin)層脫(tuo)落的主(zhu)要原因有：表面氧(yang)化(hua)、有硅化(hua)合物、冷(leng)扎乳化(hua)液太(tai)臟、NOF段(duan)(duan)氧(yang)化(hua)氣氛及(ji)保(bao)護氣體露點(dian)太(tai)高、空燃比不合理(li)、氫氣流量(liang)偏低、爐子有氧(yang)滲(shen)入，帶(dai)鋼入鍋溫度(du)偏低，RWP段(duan)(duan)爐壓偏低及(ji)爐門吸風、NOF段(duan)(duan)爐溫偏低，油脂蒸(zheng)發不盡、鋅(xin)鍋鋁含量(liang)偏低、機組速度(du)太(tai)快、還原不充分、鋅(xin)液中停留時間太(tai)短(duan)、鍍層偏厚(hou)。白(bai)銹(xiu)和黑(hei)斑(ban)產生的原因有：黑(hei)斑(ban)是白(bai)銹(xiu)進一步氧(yang)化(hua)形成的鍍鋅(xin)板的特點(dian)與用途。鍍鋅(xin)卷(juan)板是以熱軋鋼帶(dai)或冷(leng)軋鋼帶(dai)為(wei)基板，經過連續(xu)熱浸(jin)鍍鋅(xin)工(gong)藝而(er)生產出(chu)來(lai)的， 產品具有耐腐蝕強、 表面質量(liang)好、有利于(yu)深加工(gong)、經濟(ji)實用等特點(dian)。

樓(lou)(lou)(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)習慣主體(ti)鋼(gang)結(jie)構快速施工的(de)要(yao)求，能(neng)夠在短時(shi)間內提(ti)供堅(jian)定的(de)作業渠道，并可(ke)采用(yong)多個樓(lou)(lou)(lou)(lou)(lou)層鋪(pu)設壓型(xing)鋼(gang)板(ban)(ban)，分(fen)(fen)層澆筑(zhu)混凝(ning)(ning)土板(ban)(ban)的(de)流(liu)水施工。在運用(yong)階段樓(lou)(lou)(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)作為(wei)混凝(ning)(ning)土樓(lou)(lou)(lou)(lou)(lou)板(ban)(ban)的(de)受拉(la)鋼(gang)筋(jin)，也(ye)提(ti)高了樓(lou)(lou)(lou)(lou)(lou)板(ban)(ban)的(de)剛度(du)(du)，節省了鋼(gang)筋(jin)和混凝(ning)(ning)土的(de)用(yong)量。樓(lou)(lou)(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)上面(mian)(mian)能(neng)夠鋪(pu)設保溫(wen)，隔音，隔熱，隔振等資料。改(gai)進樓(lou)(lou)(lou)(lou)(lou)面(mian)(mian)性能(neng)充分(fen)(fen)發揮鋼(gang)的(de)杰出的(de)抗拉(la)強(qiang)(qiang)度(du)(du)和延性及混凝(ning)(ning)土優良的(de)抗壓強(qiang)(qiang)度(du)(du)和較(jiao)大的(de)剛度(du)(du)。壓型(xing)板(ban)(ban)表(biao)面(mian)(mian)壓紋使樓(lou)(lou)(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)與混凝(ning)(ning)土之間產生(sheng)大的(de)結(jie)合力，使二者形成整(zheng)體(ti)，配以加勁肋，使樓(lou)(lou)(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)體(ti)系(xi)(xi)具有高強(qiang)(qiang)承(cheng)(cheng)載(zai)力。在懸(xuan)(xuan)臂條件(jian)下，樓(lou)(lou)(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)僅作為(wei)性模板(ban)(ban)。懸(xuan)(xuan)挑的(de)長度(du)(du)可(ke)根(gen)據樓(lou)(lou)(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)的(de)截面(mian)(mian)特性來定。為(wei)了避免懸(xuan)(xuan)挑板(ban)(ban)的(de)開裂，需(xu)在支座(zuo)處(chu)依結(jie)構工程師的(de)規劃(hua)配上負筋(jin)。本(ben)公司樓(lou)(lou)(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)已通過國家(jia)固定救活體(ti)系(xi)(xi)及耐火(huo)構件(jian)質量檢測(ce)中心的(de)耐火(huo)檢測(ce)，作為(wei)組合樓(lou)(lou)(lou)(lou)(lou)承(cheng)(cheng)板(ban)(ban)無(wu)需(xu)防火(huo)噴涂，因(yin)而(er)大大降(jiang)低了工程造價(jia)。

樓承板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%。攀華樓承板批發 熱鍍(du)鋅卷板(ban)現貨消(xiao)息：近來，汽(qi)車行(xing)業越(yue)來越(yue)重視(shi)材料的使用(yong)壽命(ming)，用(yong)涂(tu)漆冷(leng)軋鋼板(ban)已不能(neng)滿足耐腐蝕方面的要(yao)求。在這種情況下(xia)，耐腐蝕性優良(liang)且成本(ben)低(di)廉的熱鍍(du)鋅板(ban)開始普遍受到了(le)汽(qi)車廠家的青睞。

鍍(du)(du)(du)鋅(xin)(xin)鋼板(ban)按(an)用(yong)(yong)(yong)(yong)(yong)途又可分為(wei)一(yi)般用(yong)(yong)(yong)(yong)(yong)、屋頂用(yong)(yong)(yong)(yong)(yong)、建(jian)筑(zhu)外側板(ban)用(yong)(yong)(yong)(yong)(yong)、結構用(yong)(yong)(yong)(yong)(yong)、瓦壟板(ban)用(yong)(yong)(yong)(yong)(yong)、拉伸用(yong)(yong)(yong)(yong)(yong)和深沖(chong)用(yong)(yong)(yong)(yong)(yong)等(deng)(deng)鍍(du)(du)(du)鋅(xin)(xin)鋼板(ban)。熱(re)(re)鍍(du)(du)(du)鋅(xin)(xin)板(ban)主要應用(yong)(yong)(yong)(yong)(yong)于建(jian)筑(zhu)外用(yong)(yong)(yong)(yong)(yong)，建(jian)筑(zhu)內用(yong)(yong)(yong)(yong)(yong)，民用(yong)(yong)(yong)(yong)(yong)，門窗，家具，機械，電子及家用(yong)(yong)(yong)(yong)(yong)電器等(deng)(deng)領域。也有機箱用(yong)(yong)(yong)(yong)(yong)這個(ge)，不過熱(re)(re)鍍(du)(du)(du)鋅(xin)(xin)板(ban)不放輻射的(de)(de)。空調，冰箱，微波(bo)爐及其類似家電背面(mian)的(de)(de)那個(ge)板(ban)就是熱(re)(re)鍍(du)(du)(du)鋅(xin)(xin)板(ban)。鍍(du)(du)(du)鋅(xin)(xin)層(ceng)通(tong)過鈍化(hua)處(chu)理(li)，可減少潮溫貯運條(tiao)件下產(chan)生(sheng)(sheng)折銹蝕(白(bai)銹) 。但(dan)這種化(hua)學處(chu)理(li)的(de)(de)防(fang)腐(fu)蝕性能是有限的(de)(de)，而且，妨礙大(da)多數(shu)涂料的(de)(de)附著性。這種處(chu)理(li)一(yi)般不用(yong)(yong)(yong)(yong)(yong)在鋅(xin)(xin)鐵合金鍍(du)(du)(du)層(ceng)，除光整(zheng)表面(mian)外，作為(wei)常規，生(sheng)(sheng)產(chan)廠對其他類型的(de)(de)鍍(du)(du)(du)鋅(xin)(xin)層(ceng)均進行鈍化(hua)處(chu)理(li)。