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熱鍍鋅鋼管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%。攀鋼熱鍍鋅鋼管批發 熱鍍鋅(xin)卷板現(xian)貨消息:近來,汽車(che)行業越來越重視材料的使用壽命(ming),用涂漆冷軋鋼板已(yi)不能滿足耐腐蝕(shi)方面的要(yao)求。在(zai)這種情況下,耐腐蝕(shi)性優(you)良(liang)且成本低(di)廉的熱鍍鋅(xin)板開始普遍(bian)受到(dao)了汽車(che)廠家的青睞。
鍍(du)(du)鋅板(ban)選(xuan)擇(ze)要(yao)(yao)(yao)(yao)(yao)注(zhu)(zhu)重(zhong)的(de)(de)(de)(de)幾個要(yao)(yao)(yao)(yao)(yao)點,工(gong)業(ye)企業(ye)的(de)(de)(de)(de)客戶選(xuan)擇(ze)專用工(gong)業(ye)原料(liao),要(yao)(yao)(yao)(yao)(yao)注(zhu)(zhu)重(zhong)從四個標(biao)準(zhun)。一是(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)注(zhu)(zhu)重(zhong)品(pin)(pin)(pin)牌來(lai)進行選(xuan)擇(ze),因為鍍(du)(du)鋅技術(shu)(shu)的(de)(de)(de)(de)要(yao)(yao)(yao)(yao)(yao)求嚴格(ge),所(suo)以(yi)有(you)的(de)(de)(de)(de)基(ji)(ji)礎,當然產(chan)(chan)品(pin)(pin)(pin)質量(liang)(liang)與技術(shu)(shu)標(biao)準(zhun)都會(hui)更可靠(kao),都會(hui)有(you)好的(de)(de)(de)(de)專業(ye)標(biao)準(zhun)。二是(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)注(zhu)(zhu)重(zhong)產(chan)(chan)品(pin)(pin)(pin)本身的(de)(de)(de)(de)鍍(du)(du)層(ceng)質量(liang)(liang),鍍(du)(du)層(ceng)一要(yao)(yao)(yao)(yao)(yao)靠(kao)技術(shu)(shu),二要(yao)(yao)(yao)(yao)(yao)靠(kao)純(chun)度,所(suo)以(yi)從產(chan)(chan)品(pin)(pin)(pin)表(biao)面(mian)來(lai)看(kan)質量(liang)(liang),這是(shi)(shi)(shi)基(ji)(ji)本也是(shi)(shi)(shi)重(zhong)要(yao)(yao)(yao)(yao)(yao)的(de)(de)(de)(de)一個標(biao)準(zhun)。三是(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)看(kan)基(ji)(ji)礎材料(liao)。鍍(du)(du)鋅板(ban)基(ji)(ji)礎金屬材料(liao)的(de)(de)(de)(de)質量(liang)(liang),與成品(pin)(pin)(pin)鍍(du)(du)鋅板(ban)的(de)(de)(de)(de)質量(liang)(liang)與耐用性密切相關,所(suo)以(yi)在進行產(chan)(chan)品(pin)(pin)(pin)選(xuan)擇(ze)的(de)(de)(de)(de)時候,需(xu)要(yao)(yao)(yao)(yao)(yao)注(zhu)(zhu)重(zhong)這個細節,而材料(liao)的(de)(de)(de)(de)提供,就是(shi)(shi)(shi)對于工(gong)業(ye)生產(chan)(chan)來(lai)說,有(you)基(ji)(ji)礎條件。四是(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)注(zhu)(zhu)重(zhong)價格(ge)對比,不是(shi)(shi)(shi)好的(de)(de)(de)(de)就是(shi)(shi)(shi)貴的(de)(de)(de)(de),但(dan)是(shi)(shi)(shi)如果廉價的(de)(de)(de)(de)把產(chan)(chan)品(pin)(pin)(pin),那是(shi)(shi)(shi)不可信的(de)(de)(de)(de)。
鍍(du)(du)(du)(du)鋅(xin)(xin)方(fang)(fang)管是(shi)一種具(ju)以熱軋或(huo)冷軋鍍(du)(du)(du)(du)鋅(xin)(xin)帶鋼或(huo)鍍(du)(du)(du)(du)鋅(xin)(xin)卷(juan)板(ban)為坯(pi)料經(jing)冷彎(wan)曲加(jia)工成型后再經(jing)高頻焊接制成的(de)(de)方(fang)(fang)形截面(mian)形狀尺寸的(de)(de)空心(xin)方(fang)(fang)形的(de)(de)截面(mian)型鋼鋼管;鍍(du)(du)(du)(du)鋅(xin)(xin)卷(juan)或(huo)將事(shi)先(xian)做(zuo)好的(de)(de)冷彎(wan)空心(xin)型鋼管再經(jing)熱浸鍍(du)(du)(du)(du)鋅(xin)(xin)加(jia)工而成的(de)(de)鍍(du)(du)(du)(du)鋅(xin)(xin)方(fang)(fang)矩管。鍍(du)(du)(du)(du)鋅(xin)(xin)量是(shi)表示鍍(du)(du)(du)(du)鋅(xin)(xin)板(ban)鋅(xin)(xin)層厚度的(de)(de)一個普遍采用(yong)的(de)(de)有效方(fang)(fang)法。鍍(du)(du)(du)(du)鋅(xin)(xin)量的(de)(de)單位為g/m2。鍍(du)(du)(du)(du)鋅(xin)(xin)層通(tong)過鈍化處(chu)理(li),可減少潮溫貯(zhu)運條(tiao)件下產生折銹蝕(白銹) 。但這種化學處(chu)理(li)的(de)(de)防腐蝕性能是(shi)有限的(de)(de),而且,妨礙大多數涂料的(de)(de)附著(zhu)性。這種處(chu)理(li)一般不用(yong)在鋅(xin)(xin)鐵合金鍍(du)(du)(du)(du)層,除光整(zheng)表面(mian)外,作為常規,生產廠對其他類型的(de)(de)鍍(du)(du)(du)(du)鋅(xin)(xin)層均進行(xing)鈍化處(chu)理(li)。
熱浸(jin)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)將薄鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)浸(jin)入熔(rong)解的(de)(de)(de)鋅(xin)(xin)(xin)(xin)槽(cao)(cao)(cao)中,使其(qi)表面粘附一(yi)層鋅(xin)(xin)(xin)(xin)的(de)(de)(de)薄鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。目前主要采用(yong)連(lian)續鍍(du)(du)鋅(xin)(xin)(xin)(xin)工(gong)藝生產,即把(ba)成(cheng)卷的(de)(de)(de)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)連(lian)續浸(jin)在熔(rong)解有(you)鋅(xin)(xin)(xin)(xin)的(de)(de)(de)鍍(du)(du)槽(cao)(cao)(cao)中制(zhi)成(cheng)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban);合金化鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。這(zhe)種(zhong)(zhong)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)也(ye)是用(yong)熱浸(jin)法(fa)(fa)制(zhi)造,但在出槽(cao)(cao)(cao)后,立即把(ba)它加(jia)熱到(dao)500 ℃左右(you),使其(qi)生成(cheng)鋅(xin)(xin)(xin)(xin)和鐵的(de)(de)(de)合金被膜。這(zhe)種(zhong)(zhong)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)(ban)具(ju)有(you)良好(hao)的(de)(de)(de)涂料的(de)(de)(de)密(mi)著性(xing)和焊接性(xing);電鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。用(yong)電鍍(du)(du)法(fa)(fa)制(zhi)造這(zhe)種(zhong)(zhong)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)具(ju)有(you)良好(hao)的(de)(de)(de)加(jia)工(gong)性(xing)。但鍍(du)(du)層較薄,耐腐蝕性(xing)不如熱浸(jin)法(fa)(fa)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)(ban);單(dan)面鍍(du)(du)和雙面差(cha)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。單(dan)面鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban),即只在一(yi)面鍍(du)(du)鋅(xin)(xin)(xin)(xin)的(de)(de)(de)產品。在焊接、涂裝、防銹處理、加(jia)工(gong)等方面,具(ju)有(you)比雙面鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)(ban)好(hao)的(de)(de)(de)適(shi)應(ying)性(xing)。
彩(cai)(cai)鋼是(shi)(shi)指(zhi)彩(cai)(cai)涂(tu)鋼板(ban)(ban)(ban),彩(cai)(cai)涂(tu)鋼板(ban)(ban)(ban)是(shi)(shi)一(yi)(yi)種帶有有機涂(tu)層(ceng)(ceng)的(de)(de)(de)鋼板(ban)(ban)(ban),傳統(tong)的(de)(de)(de)涂(tu)層(ceng)(ceng)分好(hao)幾(ji)(ji)類,氟碳涂(tu)層(ceng)(ceng)的(de)(de)(de),幾(ji)(ji)乎可以(yi)防腐20年。一(yi)(yi)般(ban)從鋼廠以(yi)卷筒的(de)(de)(de)形式分銷(xiao)到(dao)各地(di)。我們經常看到(dao)的(de)(de)(de)彩(cai)(cai)鋼板(ban)(ban)(ban)是(shi)(shi)指(zhi)加工好(hao)的(de)(de)(de)板(ban)(ban)(ban)材,厚(hou)度(du)(du)在50~100mm左右,它(ta)是(shi)(shi)由(you)中間(jian)的(de)(de)(de)填料(liao)和(he)兩(liang)面的(de)(de)(de)彩(cai)(cai)鋼板(ban)(ban)(ban)組成。其中,彩(cai)(cai)板(ban)(ban)(ban)厚(hou)度(du)(du)有0.4mm、0.5mm、0.6mm等(deng)(deng)不同的(de)(de)(de)厚(hou)度(du)(du),中間(jian)層(ceng)(ceng)可以(yi)是(shi)(shi)聚胺脂、巖(yan)綿或泡沫塑料(liao)等(deng)(deng)。由(you)于有專用型材,所以(yi)用彩(cai)(cai)鋼板(ban)(ban)(ban)構筑的(de)(de)(de)廠房建造速度(du)(du)很快(如非典時的(de)(de)(de)小(xiao)湯(tang)山(shan)醫院),但強(qiang)度(du)(du)低。