美标合金钢管-NPS10SCH160
ASTMA335P5合金钢管-26.7*2.87
GRB美标钢管-NPS21/2SCH40S
ASTMA106-B无缝管-508*9.53
A106B美标无缝钢管-NPS12XS
ASTM美标无缝管-168.3*7.11
美标低温钢管-168.3*18.62
A106无缝钢管-NPS21/2SCH20
ASTMA333-6无缝管-NPS1/8SCH40
ASTMA333-6无缝钢管-NPS3/8SCH60
A106无缝钢管-NPS36SCH10S
A106钢管-BN10SCH140
ASTMA335P11合金钢管-762*40
GRB美标钢管-NPS18XS
ASTMA106-B美标无缝钢管-NPS3/4SCH40S
ASTMA106B美标无缝钢管-BN65SCH120
A106钢管-NPS10SCH10S
ASTMA106B美标无缝钢管-NPS20SCH10S
A106无缝钢管-BN450SCH5S
ASTMA333-6无缝管-NPS1/4SCH140
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