焊管(guan)(guan)是用鋼板或(huo)帶鋼經過卷曲成型后焊接制成的鋼管(guan)(guan)，一(yi)般(ban)定尺6米(mi)。焊接鋼管(guan)(guan)生產(chan)工(gong)藝簡單，生產(chan)效率(lv)高，品種規格多，設(she)備投(tou)資少(shao)，但一(yi)般(ban)強度低于無縫(feng)鋼管(guan)(guan)。
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