給(gei)水用(yong)螺旋鋼(gang)管(guan)(guan)是指(zhi)用(yong)鋼(gang)帶或鋼(gang)板彎曲變形(xing)(xing)為圓形(xing)(xing)、方(fang)形(xing)(xing)等(deng)形(xing)(xing)狀(zhuang)后再焊(han)(han)接(jie)(jie)成的、表面(mian)有接(jie)(jie)縫(feng)的鋼(gang)管(guan)(guan)。按(an)焊(han)(han)接(jie)(jie)方(fang)法不(bu)同可分(fen)為電弧焊(han)(han)管(guan)(guan)、高(gao)頻或低頻電阻焊(han)(han)管(guan)(guan)、氣(qi)焊(han)(han)管(guan)(guan)、爐焊(han)(han)管(guan)(guan)、邦迪(di)管(guan)(guan)等(deng)。按(an)焊(han)(han)縫(feng)形(xing)(xing)狀(zhuang)可分(fen)為直(zhi)縫(feng)焊(han)(han)管(guan)(guan)和螺旋焊(han)(han)管(guan)(guan)。

給(gei)水用(yong)螺(luo)旋(xuan)(xuan)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是指用(yong)鋼(gang)帶或鋼(gang)板彎曲變形(xing)為圓形(xing)、方形(xing)等(deng)(deng)形(xing)狀(zhuang)后再焊(han)(han)(han)(han)接成(cheng)的(de)(de)、表面有接縫(feng)(feng)(feng)的(de)(de)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。按(an)焊(han)(han)(han)(han)接方法不同(tong)可(ke)(ke)分為電(dian)弧焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、高頻(pin)或低頻(pin)電(dian)阻焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、氣焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、爐(lu)(lu)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、邦迪管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)(deng)。按(an)焊(han)(han)(han)(han)縫(feng)(feng)(feng)形(xing)狀(zhuang)可(ke)(ke)分為直(zhi)(zhi)縫(feng)(feng)(feng)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和螺(luo)旋(xuan)(xuan)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。電(dian)焊(han)(han)(han)(han)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)用(yong)于石油(you)(you)鉆采(cai)和機械(xie) 制(zhi)造業等(deng)(deng)。爐(lu)(lu)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)可(ke)(ke)用(yong)作(zuo)水煤氣管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)(deng)，大(da)(da)口徑(jing)直(zhi)(zhi)縫(feng)(feng)(feng)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)用(yong)于高壓(ya)油(you)(you)氣輸送等(deng)(deng)；螺(luo)旋(xuan)(xuan)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)用(yong)于油(you)(you)氣輸送、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)樁、橋(qiao)墩等(deng)(deng)。焊(han)(han)(han)(han)接鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)比(bi)(bi)無縫(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)成(cheng)本低、生(sheng)產(chan)(chan)效率高。直(zhi)(zhi)縫(feng)(feng)(feng)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)生(sheng)產(chan)(chan)工藝簡單，生(sheng)產(chan)(chan)效率高，成(cheng)本低，發展(zhan)較(jiao)快。螺(luo)旋(xuan)(xuan)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)強度一(yi)般比(bi)(bi)直(zhi)(zhi)縫(feng)(feng)(feng)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)高，能用(yong)較(jiao)窄的(de)(de)坯料(liao)生(sheng)產(chan)(chan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)徑(jing)較(jiao)大(da)(da)的(de)(de)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，還可(ke)(ke)以用(yong)同(tong)樣寬度的(de)(de)坯料(liao)生(sheng)產(chan)(chan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)徑(jing)不同(tong)的(de)(de)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。但是與相同(tong)長度的(de)(de)直(zhi)(zhi)縫(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)相比(bi)(bi)，焊(han)(han)(han)(han)縫(feng)(feng)(feng)長度增加(jia)30~，而且生(sheng)產(chan)(chan)速度較(jiao)低。因此，較(jiao)小口徑(jing)的(de)(de)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)大(da)(da)都采(cai)用(yong)直(zhi)(zhi)縫(feng)(feng)(feng)焊(han)(han)(han)(han)，大(da)(da)口徑(jing)焊(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)則大(da)(da)多(duo)采(cai)用(yong)螺(luo)旋(xuan)(xuan)焊(han)(han)(han)(han)。