重慶(qing)鍍鋅(xin)(xin)(xin)卷(juan)(juan)主要有(you)(you)(you)：脫落、劃傷、鈍化(hua)斑、鋅(xin)(xin)(xin)粒、厚邊(bian)、氣刀條(tiao)痕、氣刀刮痕、露(lu)鋼(gang)、夾雜、機械(xie)損傷、鋼(gang)基(ji)性能不(bu)(bu)(bu)良(liang)、浪邊(bian)、瓢曲、尺寸不(bu)(bu)(bu)合(he)(he)、壓印(yin)、鋅(xin)(xin)(xin)層厚度不(bu)(bu)(bu)合(he)(he)、輥(gun)印(yin)等(deng)。鋅(xin)(xin)(xin)層脫落的主要原因(yin)有(you)(you)(you)：表(biao)面氧(yang)化(hua)、有(you)(you)(you)硅化(hua)合(he)(he)物、冷(leng)扎乳化(hua)液太(tai)臟、NOF段(duan)氧(yang)化(hua)氣氛及保護氣體露(lu)點(dian)太(tai)高、空燃比不(bu)(bu)(bu)合(he)(he)理、氫(qing)氣流量(liang)偏低(di)、爐子有(you)(you)(you)氧(yang)滲入(ru)，帶鋼(gang)入(ru)鍋溫(wen)度偏低(di)，RWP段(duan)爐壓偏低(di)及爐門吸風、NOF段(duan)爐溫(wen)偏低(di)，油(you)脂蒸發不(bu)(bu)(bu)盡、鋅(xin)(xin)(xin)鍋鋁(lv)含量(liang)偏低(di)、機組速度太(tai)快、還原不(bu)(bu)(bu)充分、鋅(xin)(xin)(xin)液中停留時間太(tai)短、鍍層偏厚。白(bai)銹和(he)黑(hei)斑產(chan)生的原因(yin)有(you)(you)(you)：黑(hei)斑是白(bai)銹進(jin)一步氧(yang)化(hua)形成的鍍鋅(xin)(xin)(xin)板的特點(dian)與用途。鍍鋅(xin)(xin)(xin)卷(juan)(juan)板是以(yi)熱軋鋼(gang)帶或冷(leng)軋鋼(gang)帶為基(ji)板，經過連續熱浸鍍鋅(xin)(xin)(xin)工(gong)藝而生產(chan)出來的， 產(chan)品具有(you)(you)(you)耐腐蝕強、 表(biao)面質量(liang)好、有(you)(you)(you)利(li)于深加工(gong)、經濟(ji)實(shi)用等(deng)特點(dian)。

冷軋卷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%。酒鋼冷軋卷批發 熱鍍鋅(xin)卷板(ban)現貨消息：近來，汽車(che)(che)行(xing)業越來越重視(shi)材料的使用(yong)壽命，用(yong)涂漆冷軋(ya)鋼板(ban)已(yi)不能滿足耐腐(fu)蝕方面(mian)的要求。在這種情(qing)況(kuang)下，耐腐(fu)蝕性優良且成本低廉的熱鍍鋅(xin)板(ban)開始普遍受到了(le)汽車(che)(che)廠家的青睞。

熱浸鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)將(jiang)薄鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)浸入熔解(jie)的(de)(de)(de)(de)鋅(xin)(xin)(xin)槽(cao)中(zhong)，使其表面(mian)粘附(fu)一(yi)層鋅(xin)(xin)(xin)的(de)(de)(de)(de)薄鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。目前主要采用連續(xu)鍍(du)(du)鋅(xin)(xin)(xin)工藝生產，即把(ba)成(cheng)卷的(de)(de)(de)(de)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)連續(xu)浸在熔解(jie)有(you)鋅(xin)(xin)(xin)的(de)(de)(de)(de)鍍(du)(du)槽(cao)中(zhong)制(zhi)成(cheng)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban);合(he)(he)金化(hua)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。這(zhe)種鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)也(ye)是用熱浸法(fa)制(zhi)造，但在出槽(cao)后，立即把(ba)它加熱到500 ℃左右，使其生成(cheng)鋅(xin)(xin)(xin)和(he)鐵(tie)的(de)(de)(de)(de)合(he)(he)金被膜。這(zhe)種鍍(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban)(ban)具(ju)(ju)有(you)良好(hao)的(de)(de)(de)(de)涂料(liao)的(de)(de)(de)(de)密著性(xing)和(he)焊接(jie)性(xing);電鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。用電鍍(du)(du)法(fa)制(zhi)造這(zhe)種鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)具(ju)(ju)有(you)良好(hao)的(de)(de)(de)(de)加工性(xing)。但鍍(du)(du)層較薄，耐腐(fu)蝕性(xing)不(bu)如(ru)熱浸法(fa)鍍(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban)(ban);單面(mian)鍍(du)(du)和(he)雙(shuang)面(mian)差鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。單面(mian)鍍(du)(du)鋅(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)，即只在一(yi)面(mian)鍍(du)(du)鋅(xin)(xin)(xin)的(de)(de)(de)(de)產品(pin)。在焊接(jie)、涂裝、防銹處(chu)理、加工等方面(mian)，具(ju)(ju)有(you)比(bi)雙(shuang)面(mian)鍍(du)(du)鋅(xin)(xin)(xin)板(ban)(ban)(ban)(ban)(ban)好(hao)的(de)(de)(de)(de)適(shi)應性(xing)。

堆(dui)積(ji)樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)的(de)地坪應基(ji)本平坦，鋼(gang)筋桁架樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)堆(dui)積(ji)不(bu)宜過高，每(mei)堆(dui)不(bu)超越60張(zhang)。樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)運至現場，需(xu)妥善保護，不(bu)得(de)有(you)(you)任何損壞和(he)污(wu)染，特別不(bu)得(de)感染油污(wu)。樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)應根據(ju)排版圖預先切開、編(bian)號。起(qi)吊前，每(mei)捆要(yao)有(you)(you)兩條鋼(gang)絲繩(sheng)，分別捆于(yu)兩頭四分之一(yi)鋼(gang)板(ban)(ban)(ban)長度處，采用專用吊具吊起(qi)。應先行試吊，檢查重心是否穩定(ding)(ding)，鋼(gang)索(suo)是否會滑(hua)動，待牢靠，無慮時(shi)(shi)方可吊起(qi)。起(qi)吊時(shi)(shi)，應從下(xia)往上樓(lou)(lou)層次(ci)序吊料(liao)為原則，避免因先行吊放上層資(zi)料(liao)后，阻止下(xia)面(mian)(mian)樓(lou)(lou)層的(de)吊放作業。整疊樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)放梁(liang)面(mian)(mian)時(shi)(shi)，應考慮梁(liang)的(de)承(cheng)(cheng)載能(neng)力，避免因集中載荷過大(da)，造成梁(liang)的(de)變形。樓(lou)(lou)承(cheng)(cheng)板(ban)(ban)(ban)吊至樓(lou)(lou)層，暫(zan)時(shi)(shi)不(bu)鋪設時(shi)(shi)，應作牢靠固定(ding)(ding)，避免飛落和(he)滑(hua)落傷人。

由于我國鋅(xin)資源比較豐富，鍍(du)鋅(xin)又是一種價廉(lian)、能防(fang)銹，又能裝飾的(de)高性價比鍍(du)種，因(yin)而在汽(qi)車、機(ji)(ji)械、電(dian)子、船舶(bo)、儀表、輕工(gong)等(deng)工(gong)業部(bu)門得到廣泛的(de)應用。如(ru)機(ji)(ji)械零件(jian)、低壓電(dian)器、高壓開關、緊固連接件(jian)、鋼鐵(tie)結構(gou)件(jian)、建(jian)(jian)筑(zhu)五金(jin)、農業機(ji)(ji)械、輕工(gong)產品(pin)(pin)等(deng)都離(li)不開鍍(du)鋅(xin)鈍(dun)化制品(pin)(pin)。鍍(du)鋅(xin)板(ban)卷(juan)(juan)因(yin)此(ci)可分為熱(re)軋鍍(du)鋅(xin)板(ban)卷(juan)(juan)和冷軋熱(re)鍍(du)鋅(xin)板(ban)卷(juan)(juan)，它們主(zhu)要用于建(jian)(jian)筑(zhu)、家電(dian)、汽(qi)車、容(rong)器、交通及(ji)家業等(deng)領(ling)域。特別是鋼結構(gou)建(jian)(jian)筑(zhu)、汽(qi)車制造、鋼板(ban)倉制造等(deng)行(xing)業。 重慶(qing)鍍(du)鋅(xin)卷(juan)(juan)特點主(zhu)要為：耐腐蝕強、表面質量好、得利于深加工(gong)、經濟實用等(deng)。