鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼板按用(yong)(yong)(yong)(yong)途又(you)可(ke)分為(wei)一(yi)般(ban)用(yong)(yong)(yong)(yong)、屋頂用(yong)(yong)(yong)(yong)、建筑外側板用(yong)(yong)(yong)(yong)、結(jie)構用(yong)(yong)(yong)(yong)、瓦壟板用(yong)(yong)(yong)(yong)、拉伸用(yong)(yong)(yong)(yong)和深沖用(yong)(yong)(yong)(yong)等(deng)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鋼板。對于一(yi)般(ban)防保護用(yong)(yong)(yong)(yong)鍍(du)(du)(du)(du)層(ceng)，可(ke)以采用(yong)(yong)(yong)(yong)堿性鋅(xin)(xin)(xin)酸鹽鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)彩色(se)(se)鈍化(hua)工藝(yi)。有時為(wei)了產品的(de)(de)(de)配色(se)(se)需要，也可(ke)以采用(yong)(yong)(yong)(yong)藍白色(se)(se)鈍化(hua)工藝(yi)，比如軍(jun)綠(lv)色(se)(se)鈍化(hua)、黑(hei)色(se)(se)鈍化(hua)等(deng)。為(wei)提高鋼管(guan)(guan)(guan)的(de)(de)(de)耐腐(fu)蝕性能(neng)，對一(yi)般(ban)鋼管(guan)(guan)(guan)進行鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)。鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)卷分熱(re)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)和電(dian)(dian)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)兩(liang)種，熱(re)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)層(ceng)厚(hou)，電(dian)(dian)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)成(cheng)本低，表面不是(shi)很(hen)光滑。吹氧焊(han)管(guan)(guan)(guan)：用(yong)(yong)(yong)(yong)作(zuo)煉鋼吹氧用(yong)(yong)(yong)(yong)管(guan)(guan)(guan)，一(yi)般(ban)用(yong)(yong)(yong)(yong)小口徑(jing)的(de)(de)(de)焊(han)接鋼管(guan)(guan)(guan)，規格由(you)3/8-2寸(cun)八種。用(yong)(yong)(yong)(yong)08、10、15、20或(huo)者195-Q235的(de)(de)(de)鋼帶(dai)制(zhi)作(zuo)成(cheng)的(de)(de)(de)，為(wei)了防腐(fu)蝕，有得進行滲鋁處理。鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)其防護作(zuo)用(yong)(yong)(yong)(yong)更(geng)強(qiang)，抗(kang)腐(fu)蝕能(neng)力(li)強(qiang)。整個結(jie)構由(you)鋅(xin)(xin)(xin)，形成(cheng)致(zhi)密的(de)(de)(de)四元結(jie)晶(jing)體，此結(jie)晶(jing)體在鋼板上(shang)形成(cheng)一(yi)層(ceng)屏障， 因(yin)而有效的(de)(de)(de)防止(zhi)腐(fu)蝕因(yin)子穿透。 耐腐(fu)蝕性來自鋅(xin)(xin)(xin)的(de)(de)(de)障礙(ai)層(ceng)保護功能(neng)強(qiang)。

江油鍍鋅重慶鍍鋅卷主要有：脫落、劃傷、鈍化斑、鋅粒、厚邊、氣刀條痕、氣刀刮痕、露鋼、夾雜、機械損傷、鋼基性能不良、浪邊、瓢曲、尺寸不合、壓印、鋅層厚度不合、輥印等。鍍鋅廠家鋅(xin)(xin)層脫落(luo)的主要原(yuan)因有(you)(you)(you)：表面(mian)氧化(hua)(hua)、有(you)(you)(you)硅化(hua)(hua)合(he)物、冷扎乳(ru)化(hua)(hua)液太臟、NOF段(duan)氧化(hua)(hua)氣氛(fen)及保護氣體露(lu)點(dian)太高、空燃比不(bu)(bu)合(he)理、氫氣流量偏(pian)低、爐(lu)子有(you)(you)(you)氧滲(shen)入(ru)，帶(dai)鋼(gang)入(ru)鍋(guo)溫度(du)偏(pian)低，RWP段(duan)爐(lu)壓(ya)偏(pian)低及爐(lu)門(men)吸風(feng)、NOF段(duan)爐(lu)溫偏(pian)低，油脂蒸發不(bu)(bu)盡、鋅(xin)(xin)鍋(guo)鋁含量偏(pian)低、機組速度(du)太快、還原(yuan)不(bu)(bu)充(chong)分、鋅(xin)(xin)液中(zhong)停留時間太短(duan)、鍍(du)(du)(du)層偏(pian)厚。白(bai)銹和黑斑產生(sheng)的原(yuan)因有(you)(you)(you)：黑斑是白(bai)銹進一步氧化(hua)(hua)形成(cheng)的鍍(du)(du)(du)鋅(xin)(xin)板(ban)的特點(dian)與用(yong)途(tu)。鍍(du)(du)(du)鋅(xin)(xin)卷(juan)板(ban)是以熱軋(ya)鋼(gang)帶(dai)或冷軋(ya)鋼(gang)帶(dai)為基(ji)板(ban)，經過連續(xu)熱浸鍍(du)(du)(du)鋅(xin)(xin)工(gong)藝而生(sheng)產出來的， 產品(pin)具(ju)有(you)(you)(you)耐腐蝕強、 表面(mian)質量好、有(you)(you)(you)利(li)于(yu)深加工(gong)、經濟實用(yong)等特點(dian)。

鍍(du)鋅(xin)(xin)(xin)方管是(shi)一(yi)種具(ju)以熱軋(ya)或冷軋(ya)鍍(du)鋅(xin)(xin)(xin)帶鋼或鍍(du)鋅(xin)(xin)(xin)卷板為(wei)坯料(liao)經冷彎曲加工成型(xing)后(hou)再經高頻焊接制成的(de)(de)方形(xing)截(jie)面(mian)形(xing)狀尺寸(cun)的(de)(de)空心(xin)方形(xing)的(de)(de)截(jie)面(mian)型(xing)鋼鋼管；鍍(du)鋅(xin)(xin)(xin)卷或將事(shi)先做好的(de)(de)冷彎空心(xin)型(xing)鋼管再經熱浸鍍(du)鋅(xin)(xin)(xin)加工而(er)成的(de)(de)鍍(du)鋅(xin)(xin)(xin)方矩管。鍍(du)鋅(xin)(xin)(xin)量是(shi)表(biao)示鍍(du)鋅(xin)(xin)(xin)板鋅(xin)(xin)(xin)層(ceng)厚度的(de)(de)一(yi)個普遍采用的(de)(de)有效方法(fa)。鍍(du)鋅(xin)(xin)(xin)量的(de)(de)單位為(wei)g/m2。鍍(du)鋅(xin)(xin)(xin)層(ceng)通過(guo)鈍化(hua)處(chu)理，可減少潮溫貯運條件下(xia)產生折銹蝕(shi)(白銹) 。但這(zhe)種化(hua)學處(chu)理的(de)(de)防腐蝕(shi)性(xing)能是(shi)有限的(de)(de)，而(er)且，妨礙大多數涂料(liao)的(de)(de)附著性(xing)。這(zhe)種處(chu)理一(yi)般不(bu)用在鋅(xin)(xin)(xin)鐵(tie)合(he)金(jin)鍍(du)層(ceng)，除光整表(biao)面(mian)外，作為(wei)常規，生產廠對其他類型(xing)的(de)(de)鍍(du)鋅(xin)(xin)(xin)層(ceng)均進(jin)行鈍化(hua)處(chu)理。

樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)適應(ying)主體鋼(gang)結(jie)構(gou)快速施工的(de)(de)要求，能(neng)夠(gou)在(zai)短(duan)時間內提供堅定的(de)(de)作(zuo)業平臺，并可采(cai)用(yong)多個樓(lou)(lou)層鋪設(she)(she)壓(ya)型鋼(gang)板(ban)(ban)，分層澆(jiao)筑混凝(ning)土(tu)(tu)(tu)板(ban)(ban)的(de)(de)流水施工。在(zai)使用(yong)階段樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)作(zuo)為(wei)混凝(ning)土(tu)(tu)(tu)樓(lou)(lou)板(ban)(ban)的(de)(de)受拉(la)鋼(gang)筋(jin)，也提高(gao)了(le)樓(lou)(lou)板(ban)(ban)的(de)(de)剛度(du)，節省了(le)鋼(gang)筋(jin)和混凝(ning)土(tu)(tu)(tu)的(de)(de)用(yong)量。樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)上(shang)面可以(yi)(yi)鋪設(she)(she)保溫(wen)，隔(ge)音，隔(ge)熱(re)，隔(ge)振等材料(liao)。樓(lou)(lou)面性(xing)能(neng)充分發揮鋼(gang)的(de)(de)良好的(de)(de)抗(kang)拉(la)強度(du)和延(yan)性(xing)及混凝(ning)土(tu)(tu)(tu)優良的(de)(de)抗(kang)壓(ya)強度(du)和較(jiao)大的(de)(de)剛度(du)。壓(ya)型板(ban)(ban)表面壓(ya)紋使樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)與混凝(ning)土(tu)(tu)(tu)之間產(chan)生大的(de)(de)結(jie)合(he)力，使二者形成整體，配以(yi)(yi)加(jia)勁肋，使樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)系(xi)統具有高(gao)強承(cheng)(cheng)(cheng)載力。在(zai)懸臂條件下(xia)，樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)僅作(zuo)為(wei)性(xing)模(mo)板(ban)(ban)。懸挑(tiao)的(de)(de)長度(du)可根據樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)的(de)(de)截面特性(xing)來定。為(wei)了(le)防(fang)止懸挑(tiao)板(ban)(ban)的(de)(de)開裂，需在(zai)支(zhi)座處依(yi)結(jie)構(gou)工程師(shi)的(de)(de)設(she)(she)計配上(shang)負筋(jin)。

近期(qi)鋼價(jia)延續(xu)低(di)迷(mi)，隨著通國規模(mo)的酷暑和旱季到來(lai)，熱鍍鋅卷板價(jia)格(ge)商(shang)場逐漸進(jin)入需要旺季，海(hai)內鋼鐵商(shang)場或(huo)將(jiang)窄幅調整(zheng)。在決策(ce)層(ceng)兩手抓制度(du)措施落實狀況、貨銀本位度(du)定向寬(kuan)松力度(du)加大的直觀層(ceng)面利好牽動(dong)下，商(shang)場信念逐漸趨穩，短(duan)期(qi)海(hai)內鋼價(jia)無望止(zhi)跌企穩;另一(yi)上面，以(yi)后(hou)鋼價(jia)殺跌電(dian)能有余，而上漲也仍然屏(ping)障重重。熱鍍鋅卷板價(jia)格(ge)價(jia)錢或(huo)將(jiang)長期(qi)在于低(di)位運行場面。