螺旋管(guan)及(ji)其(qi)標準分(fen)類(lei)：承(cheng)壓流體(ti)(ti)輸(shu)(shu)送(song)用(yong)(yong)螺旋縫埋弧(hu)(hu)焊(han)鋼(gang)(gang)管(guan)（SY5037-2000，GB/T9711-2011）主要用(yong)(yong)于輸(shu)(shu)送(song)石油、天然氣的管(guan)線；承(cheng)壓流體(ti)(ti)輸(shu)(shu)送(song)用(yong)(yong)螺旋縫高(gao)頻(pin)焊(han)接(jie)鋼(gang)(gang)管(guan)（SY5037-2000，GB/T9711-2011），用(yong)(yong)高(gao)頻(pin)搭接(jie)焊(han)法(fa)焊(han)接(jie)的，用(yong)(yong)于承(cheng)壓疏(shu)體(ti)(ti)輸(shu)(shu)送(song)的螺旋縫高(gao)頻(pin)焊(han)接(jie)管(guan)。鋼(gang)(gang)管(guan)承(cheng)壓能力強，塑性好(hao)，便于焊(han)接(jie)和加工成型；一般低壓流體(ti)(ti)輸(shu)(shu)送(song)用(yong)(yong)螺旋維埋弧(hu)(hu)焊(han)鋼(gang)(gang)管(guan)（SY5037-2000，GB/T9711-2011），采用(yong)(yong)雙面自動(dong)理弧(hu)(hu)焊(han)或單面焊(han)法(fa)制成的用(yong)(yong)于水、煤氣、空氣和蒸汽等(deng)一般低壓流體(ti)(ti)輸(shu)(shu)送(song)用(yong)(yong)埋弧(hu)(hu)焊(han)鋼(gang)(gang)管(guan)。