详细说明
无缝钢管194*10 16Mn 长度9-10米 现货400T
45#成都厚壁无缝钢管273*55 273*60 356*60 325*45 325*50 325*55
299*60351*50377*50377*55377*60 377*65 402*50402*60
406*50406*55406*60426*40426*50426*60426*70500*38
成都产20#无缝钢管
299* 45299*50299*55 299*60325*45325*50325*55 325*60
351*50351*60356*50356*60356*65377*45377*55377*60377*70
402*50402*60402*70406*50406*60406*70426*50426*60426*70
459*49508*60