螺旋(xuan)(xuan)管(guan)(guan)及其(qi)標準分類：承(cheng)壓(ya)流(liu)體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)用(yong)螺旋(xuan)(xuan)縫(feng)埋弧(hu)焊(han)(han)鋼管(guan)(guan)（SY5037-2000，GB/T9711-2011）主要用(yong)于(yu)輸(shu)(shu)(shu)送(song)(song)石油、天(tian)然氣的管(guan)(guan)線；承(cheng)壓(ya)流(liu)體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)用(yong)螺旋(xuan)(xuan)縫(feng)高頻焊(han)(han)接鋼管(guan)(guan)（SY5037-2000，GB/T9711-2011），用(yong)高頻搭(da)接焊(han)(han)法焊(han)(han)接的，用(yong)于(yu)承(cheng)壓(ya)疏體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)的螺旋(xuan)(xuan)縫(feng)高頻焊(han)(han)接管(guan)(guan)。鋼管(guan)(guan)承(cheng)壓(ya)能力強，塑性好，便于(yu)焊(han)(han)接和加工成型；一(yi)般低壓(ya)流(liu)體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)用(yong)螺旋(xuan)(xuan)維埋弧(hu)焊(han)(han)鋼管(guan)(guan)（SY5037-2000，GB/T9711-2011），采用(yong)雙(shuang)面自動理弧(hu)焊(han)(han)或單面焊(han)(han)法制成的用(yong)于(yu)水、煤氣、空氣和蒸(zheng)汽等一(yi)般低壓(ya)流(liu)體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)用(yong)埋弧(hu)焊(han)(han)鋼管(guan)(guan)。