熱浸(jin)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)將薄(bo)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)浸(jin)入熔(rong)解的(de)鋅(xin)(xin)(xin)(xin)(xin)(xin)槽中，使(shi)其表面(mian)(mian)粘附(fu)一層鋅(xin)(xin)(xin)(xin)(xin)(xin)的(de)薄(bo)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。目前主(zhu)要(yao)采用連續(xu)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)工(gong)藝(yi)生產，即把(ba)成卷的(de)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)連續(xu)浸(jin)在熔(rong)解有鋅(xin)(xin)(xin)(xin)(xin)(xin)的(de)鍍(du)(du)(du)槽中制(zhi)成鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban);合金(jin)化鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。這種鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)也是用熱浸(jin)法(fa)制(zhi)造，但在出(chu)槽后，立(li)即把(ba)它加熱到500 ℃左(zuo)右，使(shi)其生成鋅(xin)(xin)(xin)(xin)(xin)(xin)和(he)鐵的(de)合金(jin)被膜。這種鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)(ban)具(ju)有良好(hao)的(de)涂(tu)料的(de)密著性(xing)(xing)和(he)焊接性(xing)(xing);電鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。用電鍍(du)(du)(du)法(fa)制(zhi)造這種鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)具(ju)有良好(hao)的(de)加工(gong)性(xing)(xing)。但鍍(du)(du)(du)層較(jiao)薄(bo)，耐腐(fu)蝕性(xing)(xing)不如(ru)熱浸(jin)法(fa)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)(ban);單面(mian)(mian)鍍(du)(du)(du)和(he)雙面(mian)(mian)差鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)。單面(mian)(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)，即只在一面(mian)(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)的(de)產品。在焊接、涂(tu)裝、防銹處理、加工(gong)等(deng)方面(mian)(mian)，具(ju)有比雙面(mian)(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)(ban)(ban)(ban)好(hao)的(de)適(shi)應性(xing)(xing)。

鍍(du)(du)(du)鋅(xin)帶(dai)(dai)(dai)鋼(gang)(gang)的(de)鋅(xin)層(ceng)特(te)性 電鍍(du)(du)(du)鋅(xin)層(ceng)是(shi)不能(neng)形(xing)成(cheng)鋅(xin)花的(de)，熱鍍(du)(du)(du)鋅(xin)層(ceng)則有(you)鋅(xin)花，其形(xing)成(cheng)過程如(ru)下：當鍍(du)(du)(du)鋅(xin)帶(dai)(dai)(dai)從鋅(xin)鍋出來(lai)后，經氣刀的(de)噴(pen)吹(chui)，大量(liang)(liang)鋅(xin)液(ye)被吹(chui)回(hui)鋅(xin)鍋，這時帶(dai)(dai)(dai)鋼(gang)(gang)表面(mian)還(huan)有(you)純(chun)鋅(xin)層(ceng)，呈液(ye) 態附在鋼(gang)(gang)板表面(mian)，在鋼(gang)(gang)板表面(mian)形(xing)成(cheng)大量(liang)(liang)結(jie)(jie)晶核(he)，隨著(zhu)鋼(gang)(gang)板上(shang)升冷卻(que)，使結(jie)(jie)晶核(he)慢慢長成(cheng)鋅(xin)花。冷卻(que)速度越(yue)快鋅(xin)花越(yue)小，冷卻(que)速度越(yue)慢鋅(xin)花越(yue)大。熱鍍(du)(du)(du)鋅(xin)帶(dai)(dai)(dai)鋼(gang)(gang)在我國(guo)市(shi)場一(yi)直是(shi)緊(jin)缺品種。從20世(shi)紀90年(nian)代(dai)中(zhong)期以來(lai)，每年(nian)都要從國(guo)外進口80-100萬t左右。隨著(zhu)國(guo)內經濟的(de)發(fa)展，尤(you)其是(shi)汽(qi)車、家電及建筑業的(de)發(fa)展，對鍍(du)(du)(du)鋅(xin)帶(dai)(dai)(dai)鋼(gang)(gang)的(de)需求量(liang)(liang)也大大增加。

鋼(gang)筋(jin)桁架樓(lou)(lou)(lou)(lou)承板(ban)(ban)完成了(le)(le)機械化出(chu)產(chan)(chan)，有利于鋼(gang)筋(jin)擺(bai)放距離均(jun)勻(yun)、混(hun)凝土保(bao)護層(ceng)厚(hou)度共同(tong)，提高(gao)了(le)(le)樓(lou)(lou)(lou)(lou)板(ban)(ban)的(de)施工(gong)(gong)質(zhi)量(liang)。裝配式鋼(gang)筋(jin)桁架樓(lou)(lou)(lou)(lou)承板(ban)(ban)可明顯削減(jian)現場鋼(gang)筋(jin)綁扎工(gong)(gong)程(cheng)量(liang)，加速施工(gong)(gong)進度，添加施工(gong)(gong)確保(bao)，完成文明施工(gong)(gong)。裝配式模(mo)板(ban)(ban)和連接件拆裝便利，可屢次重復使(shi)用(yong)，節省鋼(gang)材(cai)，契合國(guo)家節能環保(bao)的(de)要求(qiu)(qiu)。鋼(gang)構自主(zhu)研制的(de)產(chan)(chan)品(pin)配套自動化出(chu)產(chan)(chan)設備，大(da)大(da)提高(gao)了(le)(le)勞(lao)動出(chu)產(chan)(chan)率，有用(yong)降低了(le)(le)產(chan)(chan)品(pin)成本(ben)，并(bing)編制了(le)(le)產(chan)(chan)品(pin)出(chu)產(chan)(chan)企(qi)業(ye)規(gui)范、規(gui)劃手(shou)冊和節點構造圖集以(yi)及施工(gong)(gong)手(shou)冊。該產(chan)(chan)品(pin)經過浙江大(da)學土木工(gong)(gong)程(cheng)測試中心檢(jian)測，并(bing)經過多(duo)項(xiang)工(gong)(gong)程(cheng)使(shi)用(yong)，各項(xiang)功能可以(yi)滿意現澆鋼(gang)筋(jin)混(hun)凝土樓(lou)(lou)(lou)(lou)板(ban)(ban)承載力和變形的(de)要求(qiu)(qiu)。

鍍鋅鋼板批發鍍鋅方管是一種具以熱軋或冷軋鍍鋅帶鋼或鍍鋅卷板為坯料經冷彎曲加工成型后再經高頻焊接制成的方形截面形狀尺寸的空心方形的截面型鋼鋼管;或將事先做好的冷彎空心型鋼管再經熱浸鍍鋅加工而成的鍍鋅方矩管。酒鋼鍍鋅鋼板批發鍍(du)(du)鋅(xin)(xin)卷廠產量隨(sui)著(zhu)國(guo)民生(sheng)活水(shui)平不(bu)(bu)斷提高(gao)和城(cheng)市化建設的(de)不(bu)(bu)斷推(tui)進(jin)，從(cong)(cong)現在的(de)1.6億噸(dun)每年，增加(jia)到3億噸(dun)甚至更多(duo)也不(bu)(bu)是(shi)什么很遙遠(yuan)的(de)夢想。作為煉鋼(gang)(gang)原料的(de)鐵礦(kuang)石(shi)與廢鋼(gang)(gang)，前者是(shi)不(bu)(bu)可的(de)資源，后者是(shi)可以循環(huan)(huan)利用(yong)的(de)資源。無論從(cong)(cong)環(huan)(huan)保角(jiao)度還是(shi)從(cong)(cong)鋼(gang)(gang)企的(de)運作成本上看，廢鋼(gang)(gang)都有著(zhu)礦(kuang)石(shi)所無法(fa)比(bi)擬的(de)優勢。發展(zhan)高(gao)強(qiang)度熱鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)板。隨(sui)著(zhu)汽車(che)工業逐(zhu)漸向、節(jie)能方向發展(zhan)，對汽車(che)用(yong)鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)板性能要求也進(jin)一步提高(gao)。為了汽車(che)板的(de)耐(nai)腐蝕性，將擴大熱鍍(du)(du)鋅(xin)(xin)鋼(gang)(gang)板的(de)使用(yong)率。