茂(mao)(mao)名(ming)無(wu)縫(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)按生(sheng)產(chan)方法(fa)可(ke)分(fen)為兩大類：無(wu)縫(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)(he)(he)焊(han)(han)接(jie)(jie)(jie)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。 茂(mao)(mao)名(ming)無(wu)縫(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)按生(sheng)產(chan)方法(fa)可(ke)分(fen)為：熱軋(ya)(ya)無(wu)縫(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、冷(leng)拔(ba)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、精密鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、熱擴管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、冷(leng)旋壓管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)(he)(he)擠壓管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)(deng)。 茂(mao)(mao)名(ming)無(wu)縫(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)用(yong)優(you)質碳素鋼(gang)或合金(jin)鋼(gang)制成(cheng)(cheng)，有熱軋(ya)(ya)、冷(leng)軋(ya)(ya)（拔(ba)）之分(fen)。 茂(mao)(mao)名(ming)焊(han)(han)接(jie)(jie)(jie)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)因(yin)其焊(han)(han)接(jie)(jie)(jie)工藝不同而(er)分(fen)為爐焊(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、電(dian)(dian)焊(han)(han)（電(dian)(dian)阻焊(han)(han)）管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)(he)(he)自動(dong)電(dian)(dian)弧焊(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，因(yin)其焊(han)(han)接(jie)(jie)(jie)形(xing)式的(de)不同分(fen)為直(zhi)縫(feng)(feng)(feng)焊(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)(he)(he)螺旋焊(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)兩種(zhong)，因(yin)其端部形(xing)狀又分(fen)為圓形(xing)焊(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)(he)(he)異型（方、扁等(deng)(deng)）焊(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。 茂(mao)(mao)名(ming)焊(han)(han)接(jie)(jie)(jie)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)由卷成(cheng)(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)形(xing)的(de)鋼(gang)板(ban)以對縫(feng)(feng)(feng)或螺旋縫(feng)(feng)(feng)焊(han)(han)接(jie)(jie)(jie)而(er)成(cheng)(cheng)，在制造方法(fa)上，又分(fen)為低壓流體輸送用(yong)焊(han)(han)接(jie)(jie)(jie)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、螺旋縫(feng)(feng)(feng)電(dian)(dian)焊(han)(han)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、直(zhi)接(jie)(jie)(jie)卷焊(han)(han)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、電(dian)(dian)焊(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)(deng)。無(wu)縫(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)可(ke)用(yong)于各種(zhong)液(ye)體、氣(qi)體管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)等(deng)(deng)。焊(han)(han)接(jie)(jie)(jie)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)可(ke)用(yong)于輸水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)、煤氣(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)、暖(nuan)氣(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)等(deng)(deng)。