電 話:(曹老師)
電 話:(羅老師)
網 址:i65r1s.cn
地 址:重慶九龍坡綠(lv)云(yun)鋼材(cai)市(shi)場A9-293/雙福攀(pan)寶鋼材(cai)市(shi)場綠(lv)城(cheng)路
堆(dui)積樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)的地坪應基(ji)本平坦,鋼(gang)筋桁架樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)堆(dui)積不(bu)宜(yi)過高,每堆(dui)不(bu)超(chao)越(yue)60張。樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)運至(zhi)現場,需妥善保(bao)護,不(bu)得有任何損壞和污(wu)(wu)染,特別不(bu)得感(gan)染油污(wu)(wu)。樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)應根據排版圖預先(xian)切開、編號。起(qi)(qi)吊(diao)(diao)(diao)前,每捆要有兩條鋼(gang)絲繩,分別捆于(yu)兩頭四分之一鋼(gang)板(ban)(ban)(ban)(ban)長(chang)度處,采用(yong)專用(yong)吊(diao)(diao)(diao)具吊(diao)(diao)(diao)起(qi)(qi)。應先(xian)行試吊(diao)(diao)(diao),檢查重心是否(fou)穩(wen)定,鋼(gang)索是否(fou)會滑動,待(dai)牢靠,無慮(lv)(lv)時(shi)方可吊(diao)(diao)(diao)起(qi)(qi)。起(qi)(qi)吊(diao)(diao)(diao)時(shi),應從下(xia)往上樓(lou)層次序(xu)吊(diao)(diao)(diao)料為(wei)原則,避(bi)免(mian)因先(xian)行吊(diao)(diao)(diao)放(fang)上層資料后,阻止下(xia)面樓(lou)層的吊(diao)(diao)(diao)放(fang)作業。整疊樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)放(fang)梁面時(shi),應考慮(lv)(lv)梁的承(cheng)(cheng)載(zai)能力,避(bi)免(mian)因集(ji)中載(zai)荷(he)過大,造成梁的變形。樓(lou)承(cheng)(cheng)板(ban)(ban)(ban)(ban)吊(diao)(diao)(diao)至(zhi)樓(lou)層,暫(zan)時(shi)不(bu)鋪設時(shi),應作牢靠固定,避(bi)免(mian)飛落(luo)和滑落(luo)傷人。
用(yong)電鍍(du)(du)法制(zhi)造這(zhe)種(zhong)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)具(ju)(ju)有(you)良(liang)好的(de)加(jia)工性。但(dan)鍍(du)(du)層(ceng)較薄(bo),耐腐蝕性不如(ru)熱(re)浸(jin)法鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban);單(dan)面鍍(du)(du)和雙面差鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。單(dan)面鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban),即只(zhi)在一面鍍(du)(du)鋅(xin)(xin)(xin)(xin)的(de)產品。在焊接、涂裝(zhuang)(zhuang)、防銹處理、加(jia)工等(deng)方面,具(ju)(ju)有(you)比雙面鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)好的(de)適應性。為(wei)克服單(dan)面未涂鋅(xin)(xin)(xin)(xin)的(de)缺點,又(you)有(you)一種(zhong)在另(ling)面涂以薄(bo)層(ceng)鋅(xin)(xin)(xin)(xin)的(de)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban),即雙面差鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban);合(he)(he)金、復合(he)(he)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。它是用(yong)鋅(xin)(xin)(xin)(xin)和其(qi)他金屬如(ru)鉛、鋅(xin)(xin)(xin)(xin)制(zhi)成合(he)(he)金乃至復合(he)(he)鍍(du)(du)成的(de)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。這(zhe)種(zhong)鋼(gang)(gang)(gang)板(ban)(ban)(ban)既(ji)具(ju)(ju)有(you)防銹性能(neng)(neng),又(you)有(you)良(liang)好的(de)涂裝(zhuang)(zhuang)性能(neng)(neng)。 除(chu)上述五(wu)種(zhong)外,還有(you)彩色鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)、印花(hua)涂裝(zhuang)(zhuang)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)、聚氯乙(yi)烯(xi)疊層(ceng)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)等(deng)。但(dan)目(mu)前(qian)常用(yong)的(de)仍為(wei)熱(re)浸(jin)鍍(du)(du)鋅(xin)(xin)(xin)(xin)板(ban)(ban)(ban)。 鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)按(an)用(yong)途又(you)可(ke)分為(wei)一般用(yong)、屋(wu)頂(ding)用(yong)、建筑外側(ce)板(ban)(ban)(ban)用(yong)、結構用(yong)、瓦(wa)壟板(ban)(ban)(ban)用(yong)、拉伸用(yong)和深沖用(yong)等(deng)鍍(du)(du)鋅(xin)(xin)(xin)(xin)鋼(gang)(gang)(gang)板(ban)(ban)(ban)。
孝感鍍鋅重慶樓承板的鍍鋅量沒有一個具體的標準,制作壓型鋼板的冷軋鋼卷須連續熱浸鍍鋅(或鍍鋁鋅),鍍(鋁)鋅量視設計要求而定。鍍鋅價格樓(lou)承板用壓型鋼(gang)(gang)板宜選擇熱(re)(re)浸(jin)鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板。不(bu)允許使用電鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板,電鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板僅在基(ji)材(cai)表面形成保護層,防腐能力(li)有限(xian)。目前市場(chang)上有鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板(鍍(du)(du)(du)層含(han)鋁(lv)5%或(huo)55%),在酸性環境下(xia)的防腐效果由于(yu)熱(re)(re)浸(jin)鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板,但(dan)在混凝土(tu)的堿性條(tiao)件下(xia),鍍(du)(du)(du)鋁(lv)鋅(xin)的防腐蝕性能低于(yu)熱(re)(re)浸(jin)鍍(du)(du)(du)鋅(xin)鋼(gang)(gang)板,且鋁(lv)會和混凝土(tu)發(fa)生反應,并降低混凝土(tu)與鋼(gang)(gang)板的粘結性能。因此參考國(guo)外(wai)規范,及國(guo)內外(wai)工程,行家壓型鋼(gang)(gang)板不(bu)建議使用鍍(du)(du)(du)鋁(lv)鋅(xin)鋼(gang)(gang)板。
重慶鍍(du)鋅(xin)卷主要有:脫(tuo)落、劃傷、鈍化(hua)(hua)斑、鋅(xin)粒、厚(hou)邊、氣(qi)(qi)刀(dao)條(tiao)痕、氣(qi)(qi)刀(dao)刮痕、露鋼(gang)、夾雜、機(ji)械損傷、鋼(gang)基性能不良、浪邊、瓢曲(qu)、尺寸不合(he)、壓印(yin)、鋅(xin)層(ceng)厚(hou)度不合(he)、輥印(yin)等。鋅(xin)層(ceng)脫(tuo)落的主要原因(yin)有:表面(mian)氧(yang)化(hua)(hua)、有硅化(hua)(hua)合(he)物、冷扎(zha)乳化(hua)(hua)液太(tai)臟(zang)、NOF段氧(yang)化(hua)(hua)氣(qi)(qi)氛及保護氣(qi)(qi)體露點(dian)太(tai)高、空(kong)燃(ran)比不合(he)理(li)、氫氣(qi)(qi)流量(liang)偏低(di)(di)、爐(lu)子有氧(yang)滲入,帶(dai)鋼(gang)入鍋(guo)溫(wen)度偏低(di)(di),RWP段爐(lu)壓偏低(di)(di)及爐(lu)門吸風、NOF段爐(lu)溫(wen)偏低(di)(di),油脂蒸發不盡、鋅(xin)鍋(guo)鋁含量(liang)偏低(di)(di)、機(ji)組速度太(tai)快(kuai)、還原不充分、鋅(xin)液中停留時間(jian)太(tai)短、鍍(du)層(ceng)偏厚(hou)。白(bai)銹和黑(hei)斑產(chan)生的原因(yin)有:黑(hei)斑是白(bai)銹進一步(bu)氧(yang)化(hua)(hua)形成的鍍(du)鋅(xin)板(ban)的特(te)點(dian)與(yu)用途。鍍(du)鋅(xin)卷板(ban)是以熱軋(ya)鋼(gang)帶(dai)或(huo)冷軋(ya)鋼(gang)帶(dai)為基板(ban),經(jing)過(guo)連續熱浸鍍(du)鋅(xin)工(gong)藝而生產(chan)出來的, 產(chan)品(pin)具有耐腐蝕強(qiang)、 表面(mian)質(zhi)量(liang)好、有利于深加工(gong)、經(jing)濟(ji)實用等特(te)點(dian)。