隨著鋼(gang)結(jie)構在建筑材料中的(de)(de)(de)(de)興起(qi)，越(yue)來(lai)越(yue)多的(de)(de)(de)(de)人選擇(ze)使用(yong)(yong)(yong)鋼(gang)結(jie)構樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)了(le)，鋼(gang)結(jie)構構件工(gong)廠產業化生(sheng)產大(da)大(da)縮短了(le)工(gong)程工(gong)期(qi)，而(er)樓(lou)(lou)板(ban)(ban)的(de)(de)(de)(de)施工(gong)方法卻成(cheng)為影響(xiang)工(gong)期(qi)的(de)(de)(de)(de)重要因(yin)素。采用(yong)(yong)(yong)那(nei)一(yi)代(dai)樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)對(dui)于樓(lou)(lou)板(ban)(ban)的(de)(de)(de)(de)耐火性能也有(you)(you)區別。樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)的(de)(de)(de)(de)厚度(du)一(yi)般(ban)都是(shi)按保險起(qi)見設計的(de)(de)(de)(de)比較厚，正常情況(kuang)下鋼(gang)梁之間的(de)(de)(de)(de)跨度(du)在2m以內樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)厚度(du)在0.75-0.8mm就(jiu)可以了(le)，2-2.5m樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)厚度(du)用(yong)(yong)(yong)0.8-1.0就(jiu)可以了(le)，跨度(du)在3-4米樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)厚度(du)用(yong)(yong)(yong)1.5mm，超過5m的(de)(de)(de)(de)跨度(du)是(shi)用(yong)(yong)(yong)臨時支撐，因(yin)素就(jiu)是(shi)混泥土澆筑的(de)(de)(de)(de)高度(du)，混泥土澆筑的(de)(de)(de)(de)越(yue)高，樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)所需要的(de)(de)(de)(de)厚度(du)也就(jiu)越(yue)厚，還有(you)(you)一(yi)個大(da)家容易忽略的(de)(de)(de)(de)因(yin)素就(jiu)是(shi)螺釘的(de)(de)(de)(de)好壞也是(shi)決定樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)厚度(du)的(de)(de)(de)(de)，螺釘越(yue)好樓(lou)(lou)承(cheng)(cheng)(cheng)板(ban)(ban)的(de)(de)(de)(de)承(cheng)(cheng)(cheng)載力就(jiu)越(yue)強。

鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼板按用(yong)(yong)途又可分為(wei)一(yi)般用(yong)(yong)、屋頂用(yong)(yong)、建筑(zhu)外側板用(yong)(yong)、結(jie)(jie)構用(yong)(yong)、瓦壟板用(yong)(yong)、拉伸用(yong)(yong)和(he)深沖用(yong)(yong)等鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼板。對(dui)于一(yi)般防(fang)(fang)保(bao)(bao)護用(yong)(yong)鍍(du)(du)(du)(du)層，可以采用(yong)(yong)堿(jian)性鋅(xin)(xin)(xin)(xin)(xin)(xin)酸鹽鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)彩色(se)鈍(dun)(dun)化(hua)工藝(yi)。有(you)時為(wei)了產品的配色(se)需要(yao)，也可以采用(yong)(yong)藍白(bai)色(se)鈍(dun)(dun)化(hua)工藝(yi)，比如軍綠色(se)鈍(dun)(dun)化(hua)、黑色(se)鈍(dun)(dun)化(hua)等。為(wei)提高鋼管的耐(nai)腐(fu)(fu)蝕(shi)性能，對(dui)一(yi)般鋼管進行(xing)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)。鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)卷分熱鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)和(he)電鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)兩(liang)種，熱鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)層厚(hou)，電鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)成(cheng)本低，表面不是很光滑。吹氧焊管：用(yong)(yong)作煉鋼吹氧用(yong)(yong)管，一(yi)般用(yong)(yong)小口徑(jing)的焊接鋼管，規格由3/8-2寸八種。用(yong)(yong)08、10、15、20或者195-Q235的鋼帶(dai)制作成(cheng)的，為(wei)了防(fang)(fang)腐(fu)(fu)蝕(shi)，有(you)得進行(xing)滲鋁處理。鍍(du)(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)其防(fang)(fang)護作用(yong)(yong)更強，抗(kang)腐(fu)(fu)蝕(shi)能力強。整(zheng)個結(jie)(jie)構由鋅(xin)(xin)(xin)(xin)(xin)(xin)，形成(cheng)致(zhi)密的四元結(jie)(jie)晶(jing)體(ti)，此結(jie)(jie)晶(jing)體(ti)在鋼板上形成(cheng)一(yi)層屏障(zhang)， 因而有(you)效的防(fang)(fang)止腐(fu)(fu)蝕(shi)因子(zi)穿透。 耐(nai)腐(fu)(fu)蝕(shi)性來自(zi)鋅(xin)(xin)(xin)(xin)(xin)(xin)的障(zhang)礙(ai)層保(bao)(bao)護功能強。

熱浸(jin)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)(ban)(ban)將(jiang)薄鋼板(ban)(ban)(ban)浸(jin)入熔解(jie)的(de)鋅(xin)(xin)(xin)(xin)槽中，使其(qi)表面(mian)粘附一層鋅(xin)(xin)(xin)(xin)的(de)薄鋼板(ban)(ban)(ban)。目前主要采用連(lian)續鍍(du)(du)鋅(xin)(xin)(xin)(xin)工(gong)藝生(sheng)產，即(ji)(ji)把成(cheng)卷(juan)的(de)鋼板(ban)(ban)(ban)連(lian)續浸(jin)在(zai)(zai)(zai)(zai)熔解(jie)有鋅(xin)(xin)(xin)(xin)的(de)鍍(du)(du)槽中制成(cheng)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)(ban)(ban);合金化鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)(ban)(ban)。這種鋼板(ban)(ban)(ban)也是(shi)用熱浸(jin)法(fa)(fa)制造，但(dan)在(zai)(zai)(zai)(zai)出槽后，立即(ji)(ji)把它加(jia)熱到500 ℃左(zuo)右，使其(qi)生(sheng)成(cheng)鋅(xin)(xin)(xin)(xin)和(he)鐵的(de)合金被膜。這種鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)具(ju)有良好的(de)涂料的(de)密著(zhu)性(xing)和(he)焊(han)接性(xing);電鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)(ban)(ban)。用電鍍(du)(du)法(fa)(fa)制造這種鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)(ban)(ban)具(ju)有良好的(de)加(jia)工(gong)性(xing)。但(dan)鍍(du)(du)層較薄，耐腐蝕性(xing)不(bu)如熱浸(jin)法(fa)(fa)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban);單面(mian)鍍(du)(du)和(he)雙面(mian)差鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)(ban)(ban)。單面(mian)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼板(ban)(ban)(ban)，即(ji)(ji)只(zhi)在(zai)(zai)(zai)(zai)一面(mian)鍍(du)(du)鋅(xin)(xin)(xin)(xin)的(de)產品。在(zai)(zai)(zai)(zai)焊(han)接、涂裝、防銹處理(li)、加(jia)工(gong)等(deng)方面(mian)，具(ju)有比雙面(mian)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)好的(de)適應(ying)性(xing)。

眉山電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。電鍍鋅價格鋅(xin)層(ceng)脫落(luo)的(de)主要原(yuan)因有(you)(you)：表面氧(yang)(yang)化、有(you)(you)硅化合物、冷(leng)扎乳(ru)化液太(tai)臟、NOF段(duan)氧(yang)(yang)化氣(qi)氛及(ji)保護氣(qi)體露點(dian)太(tai)高、空(kong)燃比不合理(li)、氫氣(qi)流量偏低(di)、爐子(zi)有(you)(you)氧(yang)(yang)滲入(ru)，帶鋼入(ru)鍋溫度偏低(di)，RWP段(duan)爐壓偏低(di)及(ji)爐門吸風(feng)、NOF段(duan)爐溫偏低(di)，油脂蒸發不盡、鋅(xin)鍋鋁含量偏低(di)、機組速度太(tai)快、還原(yuan)不充分、鋅(xin)液中(zhong)停留時間太(tai)短(duan)、鍍層(ceng)偏厚。白銹和黑斑產(chan)生的(de)原(yuan)因有(you)(you)：黑斑是白銹進一步(bu)氧(yang)(yang)化形成(cheng)的(de)鍍鋅(xin)板(ban)(ban)的(de)特點(dian)與用途。鍍鋅(xin)卷板(ban)(ban)是以熱軋(ya)鋼帶或冷(leng)軋(ya)鋼帶為基板(ban)(ban)，經(jing)過連續熱浸鍍鋅(xin)工(gong)藝而(er)生產(chan)出(chu)來的(de)， 產(chan)品具有(you)(you)耐腐(fu)蝕強、 表面質量好、有(you)(you)利(li)于深加工(gong)、經(jing)濟實用等特點(dian)。

熱(re)鍍(du)鋅(xin)卷(juan)(juan)板現(xian)貨消息：熱(re)鍍(du)鋅(xin)產品廣泛用(yong)(yong)于(yu)建筑、家電、車(che)船、容器制造業(ye)(ye)、機(ji)電業(ye)(ye)等，幾(ji)乎涉及到衣(yi)食(shi)住行各個領域。近年來(lai)，世界鍍(du)鋅(xin)鋼(gang)板需求量不(bu)斷增(zeng)加，產量增(zeng)長也很快，在美、日等鋼(gang)材(cai)生產大國，熱(re)鍍(du)鋅(xin)鋼(gang)板在鋼(gang)材(cai)中所占(zhan)比例已(yi)高達13%-15%。 熱(re)鍍(du)鋅(xin)卷(juan)(juan)板現(xian)貨消息：近來(lai)，汽(qi)車(che)行業(ye)(ye)越(yue)來(lai)越(yue)重(zhong)視材(cai)料(liao)的(de)(de)使用(yong)(yong)壽命，用(yong)(yong)涂漆冷軋鋼(gang)板已(yi)不(bu)能滿足耐腐(fu)蝕方面的(de)(de)要(yao)求。在這種情況下(xia)，耐腐(fu)蝕性(xing)優良且成本低廉的(de)(de)熱(re)鍍(du)鋅(xin)板開始(shi)普遍受到了汽(qi)車(che)廠(chang)家的(de)(de)青睞。