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深圳攀華鍍鋅板批發

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深圳攀華鍍鋅板批發

2020-10-09
深圳攀華鍍鋅板批發

鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)是(shi)為(wei)(wei)防(fang)止鋼(gang)(gang)(gang)板(ban)(ban)表(biao)(biao)面(mian)遭(zao)受腐蝕,延長其(qi)使用(yong)壽命(ming),在鋼(gang)(gang)(gang)板(ban)(ban)表(biao)(biao)面(mian)涂以一(yi)層(ceng)金(jin)(jin)屬鋅(xin)(xin)(xin)(xin),這(zhe)種(zhong)涂鋅(xin)(xin)(xin)(xin)的(de)(de)薄(bo)(bo)(bo)鋼(gang)(gang)(gang)板(ban)(ban)稱為(wei)(wei)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)。按(an)生產及加工方法可分為(wei)(wei)以下幾類(lei):熱浸(jin)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)。將薄(bo)(bo)(bo)鋼(gang)(gang)(gang)板(ban)(ban)浸(jin)入熔(rong) 微商貨源(yuan)解的(de)(de)鋅(xin)(xin)(xin)(xin)槽(cao)中,使其(qi)表(biao)(biao)面(mian)粘(zhan)附(fu)一(yi)層(ceng)鋅(xin)(xin)(xin)(xin)的(de)(de)薄(bo)(bo)(bo)鋼(gang)(gang)(gang)板(ban)(ban)。目前主(zhu)要采(cai)用(yong)連續鍍(du)(du)鋅(xin)(xin)(xin)(xin)工藝生產,即把成(cheng)(cheng)卷的(de)(de)鋼(gang)(gang)(gang)板(ban)(ban)連續浸(jin)在熔(rong)解有(you)鋅(xin)(xin)(xin)(xin)的(de)(de)鍍(du)(du)槽(cao)中制(zhi)成(cheng)(cheng)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban);合(he)金(jin)(jin)化鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)。這(zhe)種(zhong)鋼(gang)(gang)(gang)板(ban)(ban)也是(shi)用(yong)熱浸(jin)法制(zhi)造(zao),但在出槽(cao)后,立即把它加熱到(dao)500℃左右(you),使其(qi)生成(cheng)(cheng)鋅(xin)(xin)(xin)(xin)和(he)鐵的(de)(de)合(he)金(jin)(jin)被膜。這(zhe)種(zhong)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)具有(you)良好的(de)(de)涂料的(de)(de)密著性和(he)焊(han)接(jie)性。

深圳攀華鍍鋅板批發

鍍鋅板批發鍍鋅鋼板為基板的彩涂鋼板,除有鋅保護外,鋅層上的有機涂層起了覆蓋隔離作用,可防止鋼板生銹,使用壽命比鍍鋅鋼板更長,據介紹涂層鋼板的使用壽命比鍍鋅鋼板長50%。深圳鍍鋅板在(zai)連續機組(zu)上以冷軋帶鋼(gang),鍍(du)鋅(xin)帶鋼(gang)(電(dian)鍍(du)鋅(xin)和(he)熱鍍(du)鋅(xin))為基板(ban)(ban)(ban),經過(guo)表面預(yu)處(chu)理(li)(脫脂和(he)化學處(chu)理(li)),用輥涂的(de)方(fang)法(fa),涂上一(yi)層(ceng)(ceng)或多層(ceng)(ceng)液態涂料,經過(guo)烘烤和(he)冷卻(que)所得的(de)板(ban)(ban)(ban)材即為涂層(ceng)(ceng)鋼(gang)板(ban)(ban)(ban)。由(you)(you)于(yu)(yu)涂層(ceng)(ceng)可以有各(ge)種不同的(de)顏色,習慣(guan)上把涂層(ceng)(ceng)鋼(gang)板(ban)(ban)(ban)叫(jiao)(jiao)做彩色涂層(ceng)(ceng)鋼(gang)板(ban)(ban)(ban)。又由(you)(you)于(yu)(yu)涂層(ceng)(ceng)是在(zai)鋼(gang)板(ban)(ban)(ban)成型加工(gong)之前進行的(de),在(zai)國外這叫(jiao)(jiao)做預(yu)涂層(ceng)(ceng)鋼(gang)板(ban)(ban)(ban)。

深圳攀華鍍鋅板批發

熱(re)鍍(du)(du)(du)鋅(xin)(xin)板和電(dian)鍍(du)(du)(du)鋅(xin)(xin)板在鍍(du)(du)(du)鋅(xin)(xin)量上有很(hen)大(da)(da)的(de)差別,就像山東彩涂卷)。熱(re)鍍(du)(du)(du)鋅(xin)(xin)的(de)鍍(du)(du)(du)鋅(xin)(xin)量不可(ke)能太(tai)小(xiao),一(yi)(yi)般(ban)較小(xiao)為雙面50~60g/m2,較大(da)(da)可(ke)達(da)600g/m2。電(dian)鍍(du)(du)(du)鋅(xin)(xin)板的(de)鍍(du)(du)(du)鋅(xin)(xin)層可(ke)以很(hen)薄,較小(xiao)達(da)15g/m2,但(dan)要求鍍(du)(du)(du)層較厚(hou)的(de)話則生產(chan)線速(su)度(du)很(hen)慢,不適應現代化機組(zu)的(de)工藝特點,一(yi)(yi)般(ban)較大(da)(da)為lO0g/m2左右(you)。正因為如此,電(dian)鍍(du)(du)(du)鋅(xin)(xin)板的(de)生產(chan)受到很(hen)大(da)(da)的(de)限制。工一(yi)(yi)般(ban)電(dian)鍍(du)(du)(du)鋅(xin)(xin)比較多,適用(yong)(yong)于小(xiao)部(bu)(bu)件(jian)(jian);熱(re)鍍(du)(du)(du)鋅(xin)(xin)一(yi)(yi)般(ban)用(yong)(yong)于電(dian)力設(she)(she)備和構(gou)件(jian)(jian),適用(yong)(yong)于大(da)(da)的(de)部(bu)(bu)件(jian)(jian)和設(she)(she)備。當然(ran)他們(men)的(de)價(jia)格也相(xiang)對(dui)便宜一(yi)(yi)些(xie)。建設(she)(she)部(bu)(bu)已正式下(xia)文,淘(tao)汰技(ji)術(shu)落(luo)后的(de)冷(leng)鍍(du)(du)(du)鋅(xin)(xin)管,不準(zhun)用(yong)(yong)冷(leng)鍍(du)(du)(du)鋅(xin)(xin)管作水、煤氣(qi)管。

深圳攀華鍍鋅板批發

重慶鍍鋅(xin)(xin)(xin)(xin)卷主要有(you)(you)(you):脫(tuo)落、劃傷、鈍化(hua)(hua)斑、鋅(xin)(xin)(xin)(xin)粒(li)、厚(hou)(hou)邊(bian)、氣(qi)刀條痕(hen)、氣(qi)刀刮(gua)痕(hen)、露鋼、夾雜、機械損傷、鋼基性能不良、浪邊(bian)、瓢曲、尺寸不合(he)、壓印、鋅(xin)(xin)(xin)(xin)層厚(hou)(hou)度(du)不合(he)、輥印等。鋅(xin)(xin)(xin)(xin)層脫(tuo)落的(de)主要原(yuan)因有(you)(you)(you):表面(mian)氧(yang)化(hua)(hua)、有(you)(you)(you)硅化(hua)(hua)合(he)物、冷扎乳化(hua)(hua)液(ye)太臟、NOF段氧(yang)化(hua)(hua)氣(qi)氛及保護(hu)氣(qi)體露點(dian)太高、空燃比不合(he)理、氫氣(qi)流量(liang)偏(pian)(pian)低、爐子有(you)(you)(you)氧(yang)滲(shen)入(ru)(ru),帶(dai)(dai)鋼入(ru)(ru)鍋溫度(du)偏(pian)(pian)低,RWP段爐壓偏(pian)(pian)低及爐門吸(xi)風、NOF段爐溫偏(pian)(pian)低,油脂蒸發不盡、鋅(xin)(xin)(xin)(xin)鍋鋁含量(liang)偏(pian)(pian)低、機組(zu)速度(du)太快、還原(yuan)不充(chong)分、鋅(xin)(xin)(xin)(xin)液(ye)中(zhong)停留時間太短、鍍層偏(pian)(pian)厚(hou)(hou)。白銹和黑斑產生的(de)原(yuan)因有(you)(you)(you):黑斑是白銹進一步氧(yang)化(hua)(hua)形成的(de)鍍鋅(xin)(xin)(xin)(xin)板的(de)特點(dian)與用(yong)途。鍍鋅(xin)(xin)(xin)(xin)卷板是以熱軋鋼帶(dai)(dai)或(huo)冷軋鋼帶(dai)(dai)為基板,經(jing)過連續(xu)熱浸鍍鋅(xin)(xin)(xin)(xin)工藝(yi)而(er)生產出(chu)來(lai)的(de), 產品(pin)具有(you)(you)(you)耐腐蝕強、 表面(mian)質量(liang)好、有(you)(you)(you)利(li)于深加工、經(jing)濟實(shi)用(yong)等特點(dian)。

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