76*6的20#无缝钢管价位/20#热轧管现货表

68×4-4.5-5-6-7-8-9-10-12-14-16

70×4-4.5-5-6-7-8-9-10-12-15-16

73×4-4.5-5-6-7-8-9-10-12-15

76×4-4.5-5-6-7-8-9-10-12-14

83×4.5-5-10-12-14-16-18-20