電 話:(曹老師)
電 話:(羅老師)
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地 址:重慶九(jiu)龍(long)坡綠(lv)云鋼材(cai)市(shi)場A9-293/雙福攀寶鋼材(cai)市(shi)場綠(lv)城(cheng)路
珠海彩涂板重慶樓承板的鍍鋅量沒有一個具體的標準,制作壓型鋼板的冷軋鋼卷須連續熱浸鍍鋅(或鍍鋁鋅),鍍(鋁)鋅量視設計要求而定。彩涂板廠家樓(lou)承板(ban)用(yong)(yong)壓型鋼(gang)(gang)板(ban)宜選擇熱浸鍍(du)(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)。不允(yun)許(xu)使(shi)用(yong)(yong)電鍍(du)(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban),電鍍(du)(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)僅在(zai)基材表面形(xing)成保護(hu)層,防(fang)腐能(neng)(neng)力有限。目前市場上有鍍(du)(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban)(鍍(du)(du)(du)(du)(du)層含(han)鋁(lv)(lv)5%或55%),在(zai)酸性(xing)環境下(xia)的防(fang)腐效(xiao)果由于(yu)熱浸鍍(du)(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban),但在(zai)混(hun)(hun)凝土的堿性(xing)條件下(xia),鍍(du)(du)(du)(du)(du)鋁(lv)(lv)鋅(xin)的防(fang)腐蝕(shi)性(xing)能(neng)(neng)低(di)于(yu)熱浸鍍(du)(du)(du)(du)(du)鋅(xin)鋼(gang)(gang)板(ban),且(qie)鋁(lv)(lv)會和(he)混(hun)(hun)凝土發生(sheng)反(fan)應,并(bing)降低(di)混(hun)(hun)凝土與鋼(gang)(gang)板(ban)的粘結性(xing)能(neng)(neng)。因此參考國(guo)外規范(fan),及(ji)國(guo)內外工程,行(xing)家壓型鋼(gang)(gang)板(ban)不建議使(shi)用(yong)(yong)鍍(du)(du)(du)(du)(du)鋁(lv)(lv)鋅(xin)鋼(gang)(gang)板(ban)。
熱(re)鍍鋅(xin)卷板(ban)(ban)(ban)(ban)現(xian)貨(huo)(huo)消息:熱(re)鍍鋅(xin)產(chan)品廣泛用于建筑(zhu)、家電(dian)、車(che)(che)船(chuan)、容(rong)器(qi)制造業(ye)、機(ji)電(dian)業(ye)等,幾乎(hu)涉及(ji)到衣食住行各個領域。近(jin)年來,世界鍍鋅(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)需求量(liang)不斷增加,產(chan)量(liang)增長也很快,在美、日等鋼(gang)(gang)(gang)材生產(chan)大國,熱(re)鍍鋅(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)在鋼(gang)(gang)(gang)材中所占(zhan)比例已高達(da)13%-15%。 熱(re)鍍鋅(xin)卷板(ban)(ban)(ban)(ban)現(xian)貨(huo)(huo)消息:近(jin)來,汽車(che)(che)行業(ye)越來越重視(shi)材料的(de)使用壽命,用涂漆冷軋鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)已不能滿(man)足(zu)耐腐蝕方面(mian)的(de)要求。在這種情況下,耐腐蝕性優良且成(cheng)本低(di)廉的(de)熱(re)鍍鋅(xin)板(ban)(ban)(ban)(ban)開始(shi)普遍受(shou)到了(le)汽車(che)(che)廠家的(de)青睞。
要看整個(ge)樓(lou)板(ban)(ban)的(de)(de)(de)厚(hou)度(du)來(lai)考慮挑選(xuan)(xuan)是(shi)(shi)用(yong)75波高(gao)系(xi)列(lie)(lie)的(de)(de)(de)仍是(shi)(shi)51波高(gao)系(xi)列(lie)(lie)的(de)(de)(de),沉默有(you)40系(xi)列(lie)(lie),46系(xi)列(lie)(lie),60系(xi)列(lie)(lie),65波高(gao)系(xi)列(lie)(lie)。一般來(lai)說波高(gao)越低(di),承(cheng)載力(li)(li)就(jiu)越低(di),然后就(jiu)是(shi)(shi)波峰距離越大,承(cheng)載力(li)(li)就(jiu)越小,假如整個(ge)樓(lou)板(ban)(ban)厚(hou)度(du)在10公分(fen)以(yi)內(nei),好選(xuan)(xuan)用(yong)選(xuan)(xuan)用(yong)波高(gao)40系(xi)列(lie)(lie),整個(ge)樓(lou)板(ban)(ban)厚(hou)度(du)在10-13公分(fen)以(yi)內(nei),好選(xuan)(xuan)用(yong)50波高(gao)系(xi)列(lie)(lie),在13公分(fen)以(yi)上(shang),好選(xuan)(xuan)用(yong)75系(xi)列(lie)(lie)。有(you)些人會(hui)問(wen),為(wei)什么呀(ya)?其實(shi)《我國鋼筋混(hun)凝土修建(jian)規(gui)范》里有(you)個(ge)要求,鋼筋上(shang)面的(de)(de)(de)混(hun)泥土保(bao)護(hu)層(ceng)不(bu)能(neng)低(di)于2.5cm,就(jiu)是(shi)(shi)說樓(lou)承(cheng)板(ban)(ban)自身的(de)(de)(de)波高(gao)+鋼筋網的(de)(de)(de)厚(hou)度(du)(一般2cm)+2.5cm的(de)(de)(de)保(bao)護(hu)層(ceng)≤樓(lou)板(ban)(ban)的(de)(de)(de)厚(hou)度(du)。
鍍(du)(du)鋅板(ban)選擇(ze)要(yao)(yao)(yao)(yao)(yao)(yao)注重的幾個(ge)要(yao)(yao)(yao)(yao)(yao)(yao)點,工業(ye)(ye)企(qi)業(ye)(ye)的客戶選擇(ze)專用(yong)工業(ye)(ye)原料,要(yao)(yao)(yao)(yao)(yao)(yao)注重從四(si)(si)個(ge)標準(zhun)。一是(shi)要(yao)(yao)(yao)(yao)(yao)(yao)注重品(pin)(pin)(pin)牌(pai)來(lai)進行選擇(ze),因為鍍(du)(du)鋅技(ji)術(shu)的要(yao)(yao)(yao)(yao)(yao)(yao)求(qiu)嚴(yan)格,所(suo)以有的基(ji)礎(chu),當然產品(pin)(pin)(pin)質(zhi)(zhi)量與技(ji)術(shu)標準(zhun)都會更可靠,都會有好的專業(ye)(ye)標準(zhun)。二是(shi)要(yao)(yao)(yao)(yao)(yao)(yao)注重產品(pin)(pin)(pin)本(ben)(ben)身(shen)的鍍(du)(du)層(ceng)質(zhi)(zhi)量,鍍(du)(du)層(ceng)一要(yao)(yao)(yao)(yao)(yao)(yao)靠技(ji)術(shu),二要(yao)(yao)(yao)(yao)(yao)(yao)靠純度,所(suo)以從產品(pin)(pin)(pin)表面來(lai)看質(zhi)(zhi)量,這是(shi)基(ji)本(ben)(ben)也(ye)是(shi)重要(yao)(yao)(yao)(yao)(yao)(yao)的一個(ge)標準(zhun)。三(san)是(shi)要(yao)(yao)(yao)(yao)(yao)(yao)看基(ji)礎(chu)材(cai)料。鍍(du)(du)鋅板(ban)基(ji)礎(chu)金屬(shu)材(cai)料的質(zhi)(zhi)量,與成(cheng)品(pin)(pin)(pin)鍍(du)(du)鋅板(ban)的質(zhi)(zhi)量與耐用(yong)性密切相關,所(suo)以在進行產品(pin)(pin)(pin)選擇(ze)的時候(hou),需要(yao)(yao)(yao)(yao)(yao)(yao)注重這個(ge)細(xi)節(jie),而材(cai)料的提供,就是(shi)對于(yu)工業(ye)(ye)生(sheng)產來(lai)說,有基(ji)礎(chu)條件(jian)。四(si)(si)是(shi)要(yao)(yao)(yao)(yao)(yao)(yao)注重價格對比(bi),不是(shi)好的就是(shi)貴(gui)的,但是(shi)如(ru)果廉價的把產品(pin)(pin)(pin),那是(shi)不可信(xin)的。
鍍(du)(du)鋅(xin)帶鋼(gang)的(de)鋅(xin)層特性 電(dian)鍍(du)(du)鋅(xin)層是不能形(xing)成(cheng)鋅(xin)花(hua)的(de),熱(re)鍍(du)(du)鋅(xin)層則有鋅(xin)花(hua),其(qi)形(xing)成(cheng)過程如下:當鍍(du)(du)鋅(xin)帶從(cong)鋅(xin)鍋(guo)出來后,經氣(qi)刀的(de)噴吹,大(da)量(liang)(liang)鋅(xin)液(ye)(ye)被吹回(hui)鋅(xin)鍋(guo),這時帶鋼(gang)表面還(huan)有純鋅(xin)層,呈液(ye)(ye) 態附在(zai)鋼(gang)板表面,在(zai)鋼(gang)板表面形(xing)成(cheng)大(da)量(liang)(liang)結晶核(he),隨(sui)著鋼(gang)板上升冷(leng)(leng)卻(que),使結晶核(he)慢(man)慢(man)長成(cheng)鋅(xin)花(hua)。冷(leng)(leng)卻(que)速(su)度(du)越(yue)(yue)快鋅(xin)花(hua)越(yue)(yue)小,冷(leng)(leng)卻(que)速(su)度(du)越(yue)(yue)慢(man)鋅(xin)花(hua)越(yue)(yue)大(da)。熱(re)鍍(du)(du)鋅(xin)帶鋼(gang)在(zai)我國市場一直是緊(jin)缺品種。從(cong)20世(shi)紀90年代中期以來,每年都要從(cong)國外進口80-100萬t左右。隨(sui)著國內經濟的(de)發(fa)展(zhan),尤其(qi)是汽(qi)車、家電(dian)及建筑業的(de)發(fa)展(zhan),對鍍(du)(du)鋅(xin)帶鋼(gang)的(de)需求(qiu)量(liang)(liang)也(ye)大(da)大(da)增加(jia)。
鍍(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)按用(yong)(yong)(yong)途又(you)可(ke)分為(wei)一般(ban)用(yong)(yong)(yong)、屋頂(ding)用(yong)(yong)(yong)、建筑(zhu)(zhu)外側板(ban)用(yong)(yong)(yong)、結構用(yong)(yong)(yong)、瓦壟板(ban)用(yong)(yong)(yong)、拉伸用(yong)(yong)(yong)和深(shen)沖(chong)用(yong)(yong)(yong)等(deng)鍍(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)。熱鍍(du)鋅(xin)(xin)(xin)(xin)板(ban)主要應用(yong)(yong)(yong)于建筑(zhu)(zhu)外用(yong)(yong)(yong),建筑(zhu)(zhu)內用(yong)(yong)(yong),民用(yong)(yong)(yong),門窗,家具,機(ji)械(xie),電(dian)子及家用(yong)(yong)(yong)電(dian)器等(deng)領域。也有機(ji)箱用(yong)(yong)(yong)這個,不(bu)過(guo)熱鍍(du)鋅(xin)(xin)(xin)(xin)板(ban)不(bu)放(fang)輻(fu)射的。空調(diao),冰箱,微波(bo)爐及其(qi)類似家電(dian)背(bei)面的那個板(ban)就是熱鍍(du)鋅(xin)(xin)(xin)(xin)板(ban)。鍍(du)鋅(xin)(xin)(xin)(xin)層(ceng)(ceng)(ceng)通過(guo)鈍化(hua)處(chu)(chu)理(li),可(ke)減少潮溫貯運條件下(xia)產(chan)生(sheng)折銹蝕(shi)(白銹) 。但這種化(hua)學(xue)處(chu)(chu)理(li)的防腐蝕(shi)性(xing)能是有限的,而且(qie),妨礙大多數涂料的附著性(xing)。這種處(chu)(chu)理(li)一般(ban)不(bu)用(yong)(yong)(yong)在鋅(xin)(xin)(xin)(xin)鐵合金鍍(du)層(ceng)(ceng)(ceng),除光(guang)整表面外,作(zuo)為(wei)常規,生(sheng)產(chan)廠(chang)對其(qi)他(ta)類型的鍍(du)鋅(xin)(xin)(xin)(xin)層(ceng)(ceng)(ceng)均進行鈍化(hua)處(chu)(chu)理(li)。