打(da)樁(zhuang)用(yong)(yong)螺旋(xuan)(xuan)鋼(gang)管(guan)采用(yong)(yong)的(de)(de)是雙面埋弧焊技術。焊縫成螺旋(xuan)(xuan)狀。防腐螺旋(xuan)(xuan)鋼(gang)管(guan)一般口徑在(zai)d500以(yi)上(shang)，適用(yong)(yong)于用(yong)(yong)于自(zi)來(lai)水(shui)工(gong)(gong)(gong)程、石(shi)化(hua)工(gong)(gong)(gong)業(ye)(ye)、化(hua)學工(gong)(gong)(gong)業(ye)(ye)、電力工(gong)(gong)(gong)業(ye)(ye)、農業(ye)(ye)灌溉、城市建設。作(zuo)液體輸送(song)用(yong)(yong)：給(gei)水(shui)、排水(shui)。作(zuo)氣體輸送(song)用(yong)(yong)：煤氣、蒸氣、液化(hua)石(shi)油氣。可(ke)以(yi)對(dui)管(guan)體進行保溫盒防腐的(de)(de)處(chu)理。