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從整體(ti)生(sheng)產方(fang)面(mian)來看,人(ren)們能(neng)夠(gou)意識到鍍鋅板在生(sheng)產過(guo)程中(zhong)應(ying)用(yong)范圍是(shi)(shi)很(hen)(hen)大的(de)(de),而各位(wei)朋友也應(ying)該認(ren)(ren)識該種產品未來發(fa)展的(de)(de)情(qing)況,只有這樣才能(neng)夠(gou)對(dui)產品有更(geng)為掌(zhang)握。所以(yi)(yi)希望生(sheng)活中(zhong)每一(yi)位(wei)朋友都(dou)能(neng)夠(gou)認(ren)(ren)知(zhi)這部(bu)分(fen)(fen)的(de)(de)內容,這樣在每個部(bu)分(fen)(fen)才能(neng)夠(gou)獲取好的(de)(de)答案。鍍鋅板生(sheng)產方(fang)面(mian)國(guo)內存(cun)在著供應(ying)不足(zu)的(de)(de)問題,所以(yi)(yi)市場方(fang)面(mian)應(ying)該加(jia)強生(sheng)產,而在生(sheng)產技術方(fang)面(mian)的(de)(de)提升也是(shi)(shi)很(hen)(hen)重要的(de)(de)。只有能(neng)夠(gou)以(yi)(yi)更(geng)加(jia)認(ren)(ren)真的(de)(de)態度掌(zhang)握這部(bu)分(fen)(fen)的(de)(de)內容,這樣整體(ti)生(sheng)產才能(neng)夠(gou)更(geng)加(jia)順利。自然進口(kou)也是(shi)(shi)很(hen)(hen)重要的(de)(de)一(yi)部(bu)分(fen)(fen),不過(guo)進口(kou)產品在價(jia)格方(fang)面(mian)也存(cun)在著更(geng)高方(fang)面(mian)的(de)(de)問題,所以(yi)(yi)國(guo)內生(sheng)產加(jia)強是(shi)(shi)很(hen)(hen)重要的(de)(de)。
重慶樓承板(ban)(ban)(ban)(ban)的(de)(de)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)量沒有一個具體的(de)(de)標(biao)準,制(zhi)作(zuo)壓型鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)的(de)(de)冷(leng)軋鋼(gang)(gang)(gang)(gang)卷須連續熱浸鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)(或鍍(du)(du)(du)(du)鋁(lv)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)),鍍(du)(du)(du)(du)(鋁(lv))鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)量視設計要求而(er)定。樓承板(ban)(ban)(ban)(ban)用壓型鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)宜(yi)選擇(ze)熱浸鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。不允許使用電鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban),電鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)僅在基材表面形成保護(hu)層(ceng)(ceng),防腐(fu)(fu)能(neng)力(li)有限。目前市場上有鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(鍍(du)(du)(du)(du)層(ceng)(ceng)含鋁(lv)5%或55%),在酸性(xing)環境下(xia)的(de)(de)防腐(fu)(fu)效果由于(yu)熱浸鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban),但在混(hun)凝(ning)土(tu)的(de)(de)堿性(xing)條(tiao)件下(xia),鍍(du)(du)(du)(du)鋁(lv)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)的(de)(de)防腐(fu)(fu)蝕(shi)性(xing)能(neng)低(di)于(yu)熱浸鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban),且鋁(lv)會和混(hun)凝(ning)土(tu)發生(sheng)反應(ying),并降低(di)混(hun)凝(ning)土(tu)與鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)的(de)(de)粘(zhan)結(jie)性(xing)能(neng)。因(yin)此參考國外(wai)規(gui)范(fan),及國內外(wai)工程,行(xing)家壓型鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)不建議(yi)使用鍍(du)(du)(du)(du)鋁(lv)鋅(xin)(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)。
熱鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)板和電鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)板在鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)量(liang)上有很大(da)(da)的(de)差別,就像山東(dong)彩(cai)涂卷)。熱鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)的(de)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)量(liang)不(bu)可能太小(xiao),一(yi)般較(jiao)小(xiao)為雙面50~60g/m2,較(jiao)大(da)(da)可達(da)(da)600g/m2。電鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)板的(de)鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)層可以很薄,較(jiao)小(xiao)達(da)(da)15g/m2,但要求鍍(du)(du)(du)(du)(du)層較(jiao)厚的(de)話則(ze)生產線速度很慢,不(bu)適應(ying)現(xian)代化機組(zu)的(de)工藝(yi)特點,一(yi)般較(jiao)大(da)(da)為lO0g/m2左右(you)。正因為如(ru)此,電鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)板的(de)生產受到很大(da)(da)的(de)限(xian)制。工一(yi)般電鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)比較(jiao)多,適用(yong)于小(xiao)部件;熱鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)一(yi)般用(yong)于電力設備和構(gou)件,適用(yong)于大(da)(da)的(de)部件和設備。當然(ran)他(ta)們(men)的(de)價格也相對便(bian)宜一(yi)些(xie)。建設部已(yi)正式下文,淘(tao)汰技(ji)術(shu)落后(hou)的(de)冷鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)管(guan),不(bu)準(zhun)用(yong)冷鍍(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)管(guan)作水、煤氣管(guan)。
鍍鋅管廠家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。酒鋼鍍鋅管廠家鍍(du)鋅(xin)(xin)卷廠產量隨(sui)著國民生活(huo)水(shui)平不(bu)斷提(ti)高和城市化(hua)建設(she)的不(bu)斷推進,從(cong)(cong)現(xian)在的1.6億(yi)噸每年,增加到3億(yi)噸甚至更(geng)多也不(bu)是什(shen)么(me)很遙遠的夢(meng)想。作為煉鋼(gang)原料的鐵礦(kuang)(kuang)石(shi)與廢(fei)鋼(gang),前(qian)者是不(bu)可的資(zi)源(yuan),后者是可以循(xun)環(huan)利用(yong)(yong)(yong)的資(zi)源(yuan)。無論從(cong)(cong)環(huan)保(bao)角度(du)還是從(cong)(cong)鋼(gang)企的運作成本上看,廢(fei)鋼(gang)都有著礦(kuang)(kuang)石(shi)所無法(fa)比(bi)擬的優勢(shi)。發(fa)展高強度(du)熱鍍(du)鋅(xin)(xin)鋼(gang)板。隨(sui)著汽(qi)車工業逐漸向、節(jie)能方向發(fa)展,對汽(qi)車用(yong)(yong)(yong)鍍(du)鋅(xin)(xin)鋼(gang)板性能要求也進一步提(ti)高。為了汽(qi)車板的耐腐(fu)蝕性,將擴大熱鍍(du)鋅(xin)(xin)鋼(gang)板的使用(yong)(yong)(yong)率。
鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)按(an)用(yong)途又(you)可(ke)分為一(yi)般(ban)(ban)用(yong)、屋頂(ding)用(yong)、建筑外側板(ban)用(yong)、結構用(yong)、瓦壟(long)板(ban)用(yong)、拉伸用(yong)和(he)深(shen)沖(chong)用(yong)等(deng)鍍(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)。對(dui)于(yu)一(yi)般(ban)(ban)防(fang)(fang)保護用(yong)鍍(du)層(ceng)(ceng),可(ke)以(yi)采用(yong)堿性(xing)(xing)鋅(xin)(xin)(xin)(xin)酸(suan)鹽鍍(du)鋅(xin)(xin)(xin)(xin)彩色(se)鈍化工藝(yi)。有(you)時為了產品的(de)配色(se)需要,也可(ke)以(yi)采用(yong)藍白色(se)鈍化工藝(yi),比如軍綠色(se)鈍化、黑色(se)鈍化等(deng)。為提高鋼(gang)(gang)管(guan)(guan)的(de)耐腐(fu)蝕(shi)性(xing)(xing)能(neng),對(dui)一(yi)般(ban)(ban)鋼(gang)(gang)管(guan)(guan)進行鍍(du)鋅(xin)(xin)(xin)(xin)。鍍(du)鋅(xin)(xin)(xin)(xin)卷分熱鍍(du)鋅(xin)(xin)(xin)(xin)和(he)電鍍(du)鋅(xin)(xin)(xin)(xin)兩種,熱鍍(du)鋅(xin)(xin)(xin)(xin)鍍(du)鋅(xin)(xin)(xin)(xin)層(ceng)(ceng)厚,電鍍(du)鋅(xin)(xin)(xin)(xin)成(cheng)本低,表面(mian)不是很光滑。吹氧(yang)焊(han)管(guan)(guan):用(yong)作煉鋼(gang)(gang)吹氧(yang)用(yong)管(guan)(guan),一(yi)般(ban)(ban)用(yong)小口徑(jing)的(de)焊(han)接鋼(gang)(gang)管(guan)(guan),規(gui)格由(you)3/8-2寸八種。用(yong)08、10、15、20或(huo)者(zhe)195-Q235的(de)鋼(gang)(gang)帶制作成(cheng)的(de),為了防(fang)(fang)腐(fu)蝕(shi),有(you)得進行滲鋁處理。鍍(du)鋅(xin)(xin)(xin)(xin)其防(fang)(fang)護作用(yong)更強(qiang),抗腐(fu)蝕(shi)能(neng)力(li)強(qiang)。整個結構由(you)鋅(xin)(xin)(xin)(xin),形(xing)成(cheng)致密(mi)的(de)四元結晶(jing)體(ti),此(ci)結晶(jing)體(ti)在(zai)鋼(gang)(gang)板(ban)上形(xing)成(cheng)一(yi)層(ceng)(ceng)屏障, 因而有(you)效(xiao)的(de)防(fang)(fang)止腐(fu)蝕(shi)因子穿透(tou)。 耐腐(fu)蝕(shi)性(xing)(xing)來(lai)自鋅(xin)(xin)(xin)(xin)的(de)障礙層(ceng)(ceng)保護功能(neng)強(qiang)。
用(yong)(yong)(yong)電(dian)鍍(du)(du)(du)(du)(du)(du)(du)(du)法(fa)制造這(zhe)種(zhong)(zhong)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)具有(you)良(liang)好的加工性。但(dan)鍍(du)(du)(du)(du)(du)(du)(du)(du)層(ceng)(ceng)較薄,耐(nai)腐蝕性不如熱浸(jin)(jin)法(fa)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban);單(dan)面(mian)鍍(du)(du)(du)(du)(du)(du)(du)(du)和雙(shuang)(shuang)面(mian)差(cha)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)。單(dan)面(mian)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban),即(ji)只在一(yi)面(mian)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)的產(chan)品。在焊接、涂(tu)(tu)裝(zhuang)、防銹處理(li)、加工等方面(mian),具有(you)比雙(shuang)(shuang)面(mian)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)好的適應性。為(wei)克服單(dan)面(mian)未涂(tu)(tu)鋅(xin)(xin)(xin)(xin)的缺點,又有(you)一(yi)種(zhong)(zhong)在另(ling)面(mian)涂(tu)(tu)以薄層(ceng)(ceng)鋅(xin)(xin)(xin)(xin)的鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban),即(ji)雙(shuang)(shuang)面(mian)差(cha)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban);合金(jin)、復(fu)合鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)。它是用(yong)(yong)(yong)鋅(xin)(xin)(xin)(xin)和其(qi)他金(jin)屬(shu)如鉛、鋅(xin)(xin)(xin)(xin)制成(cheng)合金(jin)乃至復(fu)合鍍(du)(du)(du)(du)(du)(du)(du)(du)成(cheng)的鋼(gang)(gang)板(ban)(ban)。這(zhe)種(zhong)(zhong)鋼(gang)(gang)板(ban)(ban)既具有(you)防銹性能,又有(you)良(liang)好的涂(tu)(tu)裝(zhuang)性能。 除上述五種(zhong)(zhong)外(wai),還(huan)有(you)彩色鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)、印花涂(tu)(tu)裝(zhuang)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)、聚(ju)氯(lv)乙烯疊層(ceng)(ceng)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)等。但(dan)目前常用(yong)(yong)(yong)的仍為(wei)熱浸(jin)(jin)鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)。 鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)按用(yong)(yong)(yong)途(tu)又可(ke)分為(wei)一(yi)般(ban)用(yong)(yong)(yong)、屋(wu)頂用(yong)(yong)(yong)、建筑(zhu)外(wai)側板(ban)(ban)用(yong)(yong)(yong)、結構用(yong)(yong)(yong)、瓦壟(long)板(ban)(ban)用(yong)(yong)(yong)、拉伸(shen)用(yong)(yong)(yong)和深(shen)沖用(yong)(yong)(yong)等鍍(du)(du)(du)(du)(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)。