无缝钢管194*1016Mn长度9-10米现货400T

　　45#成都厚壁无缝钢管273*55273*60356*60325*45325*50325*55

　　299*60351*50377*50377*55377*60377*65402*50402*60

　　406*50406*55406*60426*40426*50426*60426*70500*38

　　成都产20#无缝钢管

　　299*45299*50299*55299*60325*45325*50325*55325*60

　　351*50351*60356*50356*60356*65377*45377*55377*60377*70

　　402*50402*60402*70406*50406*60406*70426*50426*60426*70

　　459*49508*60