产品展示
20# GB9948 抗H2S无缝钢管post time:2019-12-16
25*2.5 20# GB/T9948 post time:2017-09-20
石油裂化用无缝钢管post time:2014-05-07
12Cr5MoI石油裂化管gb/t994post time:2014-08-21
12Cr9MoNT裂化用无缝钢管post time:2014-08-21
抗HIC钢管,抗HIC无缝钢管,抗硫化氢post time:2014-11-30
GB/T 9948-2013石油裂化管post time:2014-08-21
天津大无缝GB9948无缝钢管post time:2014-06-30
1Cr5Mo GB/T9948裂化管post time:2014-06-30
12Cr2Mo GB/T9948无缝钢管post time:2014-06-30
15CrMo GB9948石油裂化管post time:2014-06-30
20#钢 GB9948标准石油裂化管post time:2014-06-30