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大(dai)口(kou)徑(jing)螺(luo)旋(xuan)鋼(gang)管(guan)是(shi)一(yi)種(zhong)籠(long)統(tong)的(di)叫(jiao)法(fa),一(yi)般(pan)是(shi)指(zhi)直(zhi)徑(jing)大(dai)於(yu)1米(mi)的(di)螺(luo)旋(xuan)鋼(gang)管(guan)。 螺(luo)旋(xuan)鋼(gang)管(guan)是(shi)用(yong)鋼(gang)帶(dai)經(jing)過(guo)彎(wan)曲(qu)成(cheng)型(xing),然(ran)後(hou)經(jing)焊(han)接(jie)製(zhi)成(cheng)。鋼(gang)管(guan)要(yao)進(jin)行(hang)水(shui)壓(ya)、彎(wan)曲(qu)、壓(ya)扁(pian)等(deng)實(shi)驗(yan),對(dui)表(biao)麵(mian)質(zhi)量(liang)有(you)一(yi)定(ding)要(yao)求(qiu),通(tong)常(chang)交(jiao)貨(huo)長(zhang)度(duo)為(wei)12米(mi),常(chang)要(yao)求(qiu)定(ding)尺(che)交(jiao)貨(huo)。螺(luo)旋(xuan)鋼(gang)管(guan)的(di)規(gui)格(ge)用(yong)公(gong)稱(chen)口(kou)徑(jing)表(biao)示(shi)(毫(hao)米(mi)),公(gong)稱(chen)口(kou)徑(jing)與(yu)實(shi)際(ji)不(bu)同(tong),按(an)規(gui)定(ding)壁(bi)厚(hou)有(you)普(pu)通(tong)鋼(gang)管(guan)和(hu)加(jia)厚(hou)鋼(gang)管(guan)兩(liang)種(zhong)。
用(yong)途(tu)
螺(luo)旋(xuan)鋼(gang)管(guan)主(zhu)要(yao)應(ying)用(yong)於(yu)自(zi)來(lai)水(shui)工(gong)程(cheng)、石(dan)化(hua)工(gong)業(ye)、化(hua)學(xue)工(gong)業(ye)、電(dian)力(li)工(gong)業(ye)、農(nong)業(ye)灌(guan)溉(gai)、城(cheng)市(shi)建(jian)設(she),是(shi)我(wo)國(guo)開(kai)發(fa)的(di)二(er)十(shi)個(ge)重(chong)點(dian)產(chan)品(pin)之(zhi)一(yi)。作(zuo)液(ye)體(ti)輸(shu)送(song)用(yong):給(ji)水(shui)、排(pai)水(shui)。作(zuo)氣(qi)體(ti)輸(shu)送(song)用(yong):煤(mei)氣(qi)、蒸(zheng)氣(qi)、液(ye)化(hua)石(dan)油(you)氣(qi)。作(zuo)結(jie)構(gou)用(yong):作(zuo)打(da)樁(zhuang)管(guan)、作(zuo)橋(qiao)梁(liang);碼(ma)頭(tou)、道(dao)路(lu)、建(jian)築(zhu)結(jie)構(gou)用(yong)管(guan)等(deng)。
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