重(zhong)慶鍍鋅(xin)(xin)卷(juan)(juan)主要有(you)(you)(you)：脫(tuo)落、劃傷(shang)、鈍化(hua)(hua)斑、鋅(xin)(xin)粒、厚邊、氣(qi)刀(dao)條痕、氣(qi)刀(dao)刮(gua)痕、露鋼(gang)、夾雜、機(ji)械損傷(shang)、鋼(gang)基性能不良、浪邊、瓢曲、尺寸不合、壓(ya)印、鋅(xin)(xin)層(ceng)(ceng)厚度(du)不合、輥印等。鋅(xin)(xin)層(ceng)(ceng)脫(tuo)落的(de)(de)主要原因(yin)有(you)(you)(you)：表面(mian)氧化(hua)(hua)、有(you)(you)(you)硅化(hua)(hua)合物、冷(leng)扎乳化(hua)(hua)液太(tai)(tai)臟、NOF段(duan)氧化(hua)(hua)氣(qi)氛(fen)及保護氣(qi)體露點(dian)太(tai)(tai)高、空燃(ran)比不合理、氫氣(qi)流量(liang)偏低、爐(lu)(lu)子有(you)(you)(you)氧滲入，帶鋼(gang)入鍋溫度(du)偏低，RWP段(duan)爐(lu)(lu)壓(ya)偏低及爐(lu)(lu)門吸風、NOF段(duan)爐(lu)(lu)溫偏低，油脂蒸發不盡、鋅(xin)(xin)鍋鋁含量(liang)偏低、機(ji)組(zu)速度(du)太(tai)(tai)快、還(huan)原不充分、鋅(xin)(xin)液中停留(liu)時間太(tai)(tai)短、鍍層(ceng)(ceng)偏厚。白(bai)銹和黑斑產(chan)(chan)生(sheng)的(de)(de)原因(yin)有(you)(you)(you)：黑斑是白(bai)銹進一步氧化(hua)(hua)形成的(de)(de)鍍鋅(xin)(xin)板的(de)(de)特點(dian)與用途。鍍鋅(xin)(xin)卷(juan)(juan)板是以(yi)熱軋鋼(gang)帶或冷(leng)軋鋼(gang)帶為基板，經過連(lian)續熱浸鍍鋅(xin)(xin)工藝而生(sheng)產(chan)(chan)出來的(de)(de)， 產(chan)(chan)品具(ju)有(you)(you)(you)耐腐蝕(shi)強、 表面(mian)質量(liang)好、有(you)(you)(you)利于深加工、經濟實(shi)用等特點(dian)。

樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)組(zu)合板(ban)(ban)(ban)是一種(zhong)十(shi)分(fen)合理的(de)(de)結(jie)構方式，它(ta)能夠(gou)(gou)按其各組(zu)成部件所處(chu)的(de)(de)方位和(he)特色，充(chong)分(fen)發(fa)(fa)揮鋼材抗(kang)拉(la)和(he)混凝(ning)土抗(kang)壓功(gong)能好(hao)的(de)(de)長(chang)處(chu)，并具有(you)杰出的(de)(de)抗(kang)震(zhen)功(gong)能、施(shi)工(gong)功(gong)能。這種(zhong)結(jie)構現(xian)(xian)在(zai)被廣泛運用于(yu)國內外(wai)修(xiu)建(jian)中(zhong)，但在(zai)國內大都將(jiang)樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)當(dang)作(zuo)模(mo)板(ban)(ban)(ban)運用，而沒有(you)充(chong)分(fen)發(fa)(fa)揮樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)的(de)(de)效果。 與一般鋼筋混凝(ning)土樓(lou)板(ban)(ban)(ban)比較(jiao)，樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)組(zu)合樓(lou)板(ban)(ban)(ban)具備以下長(chang)處(chu)：樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)能夠(gou)(gou)作(zuo)為(wei)現(xian)(xian)澆混凝(ning)土的(de)(de)模(mo)板(ban)(ban)(ban)。這樣就省掉了施(shi)工(gong)中(zhong)裝置和(he)撤除(chu)模(mo)板(ban)(ban)(ban)等工(gong)序，然后節(jie)約(yue)了時刻和(he)勞動力;當(dang)樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)裝置好(hao)今后將(jiang)能夠(gou)(gou)作(zuo)為(wei)施(shi)工(gong)平臺運用。

鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)是(shi)為防止鋼(gang)板(ban)(ban)(ban)(ban)表面(mian)遭受腐蝕，延長其(qi)使(shi)用壽命，在鋼(gang)板(ban)(ban)(ban)(ban)表面(mian)涂(tu)(tu)以(yi)一(yi)層金屬(shu)鋅(xin)(xin)(xin)(xin)(xin)，這種(zhong)涂(tu)(tu)鋅(xin)(xin)(xin)(xin)(xin)的(de)(de)(de)(de)薄(bo)鋼(gang)板(ban)(ban)(ban)(ban)稱為鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)。鋼(gang)板(ban)(ban)(ban)(ban)也是(shi)用熱浸(jin)法制造，但在出槽后，立(li)即把(ba)它加熱到500℃左(zuo)(zuo)右(you)，使(shi)其(qi)生(sheng)(sheng)成(cheng)(cheng)鋅(xin)(xin)(xin)(xin)(xin)和(he)(he)鐵的(de)(de)(de)(de)合(he)(he)金被膜(mo)。這種(zhong)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)卷(juan)具(ju)有良(liang)好(hao)(hao)的(de)(de)(de)(de)涂(tu)(tu)料的(de)(de)(de)(de)密著性(xing)(xing)和(he)(he)焊接性(xing)(xing)。合(he)(he)金化鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。這種(zhong)鋼(gang)板(ban)(ban)(ban)(ban)也是(shi)用熱浸(jin)法制造，但在出槽后，立(li)即把(ba)它加熱到500℃左(zuo)(zuo)右(you)，使(shi)其(qi)生(sheng)(sheng)成(cheng)(cheng)鋅(xin)(xin)(xin)(xin)(xin)和(he)(he)鐵的(de)(de)(de)(de)合(he)(he)金被膜(mo)。這種(zhong)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)具(ju)有良(liang)好(hao)(hao)的(de)(de)(de)(de)涂(tu)(tu)料的(de)(de)(de)(de)密著性(xing)(xing)和(he)(he)焊接性(xing)(xing)。熱浸(jin)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。將(jiang)薄(bo)鋼(gang)板(ban)(ban)(ban)(ban)浸(jin)入熔解(jie)的(de)(de)(de)(de)鋅(xin)(xin)(xin)(xin)(xin)槽中，使(shi)其(qi)表面(mian)粘附(fu)一(yi)層鋅(xin)(xin)(xin)(xin)(xin)的(de)(de)(de)(de)薄(bo)鋼(gang)板(ban)(ban)(ban)(ban)。目前主要采(cai)用連續鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)工藝生(sheng)(sheng)產，即把(ba)成(cheng)(cheng)卷(juan)的(de)(de)(de)(de)鋼(gang)板(ban)(ban)(ban)(ban)連續浸(jin)在熔解(jie)有鋅(xin)(xin)(xin)(xin)(xin)的(de)(de)(de)(de)鍍(du)(du)槽中制成(cheng)(cheng)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。合(he)(he)金、復合(he)(he)鍍(du)(du)鋅(xin)(xin)(xin)(xin)(xin)鋼(gang)板(ban)(ban)(ban)(ban)。它是(shi)用鋅(xin)(xin)(xin)(xin)(xin)和(he)(he)其(qi)他(ta)金屬(shu)如(ru)鉛、鋅(xin)(xin)(xin)(xin)(xin)制成(cheng)(cheng)合(he)(he)金乃至復合(he)(he)鍍(du)(du)成(cheng)(cheng)的(de)(de)(de)(de)鋼(gang)板(ban)(ban)(ban)(ban)。這種(zhong)鋼(gang)板(ban)(ban)(ban)(ban)既具(ju)有防銹性(xing)(xing)能，又有良(liang)好(hao)(hao)的(de)(de)(de)(de)涂(tu)(tu)裝性(xing)(xing)能。

冷軋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%。攀鋼冷軋板廠家 熱鍍鋅卷板(ban)現貨消息：近來(lai)，汽車行業越(yue)來(lai)越(yue)重視(shi)材(cai)料的使用(yong)壽命，用(yong)涂漆冷軋鋼板(ban)已不(bu)能滿足耐(nai)腐(fu)蝕方面的要(yao)求。在這種情況下，耐(nai)腐(fu)蝕性優良(liang)且成本低(di)廉(lian)的熱鍍鋅板(ban)開(kai)始(shi)普(pu)遍受到了(le)汽車廠(chang)家(jia)的青睞。

重慶(qing)鍍(du)(du)(du)鋅(xin)(xin)板(ban)近二十年(nian)來(lai)鋼帶連續(xu)熱(re)(re)鍍(du)(du)(du)鋅(xin)(xin)技(ji)(ji)(ji)(ji)術(shu)、裝(zhuang)備以(yi)及(ji)相應的控制手段均有巨大的發(fa)展(zhan)，使鍍(du)(du)(du)鋅(xin)(xin)板(ban)得以(yi)滿足汽車(che)面板(ban)和(he)家電用板(ban)的苛(ke)刻要求，并從而以(yi)其比電鍍(du)(du)(du)鋅(xin)(xin)合金(jin)鋼帶廉價、耐蝕性優異(yi)而大有取(qu)代之勢。熱(re)(re)鍍(du)(du)(du)鋅(xin)(xin)生產技(ji)(ji)(ji)(ji)術(shu)與(yu)裝(zhuang)備開發(fa)技(ji)(ji)(ji)(ji)術(shu)及(ji)經驗，通過技(ji)(ji)(ji)(ji)術(shu)創新、優化設計、精密制造(zao)以(yi)及(ji)國外技(ji)(ji)(ji)(ji)術(shu)合作，突破制約我(wo)國高性能汽車(che)用熱(re)(re)鍍(du)(du)(du)鋅(xin)(xin)鋼板(ban)生產技(ji)(ji)(ji)(ji)術(shu)與(yu)裝(zhuang)備發(fa)展(zhan)瓶頸(jing)。