A106無縫鋼管-BN65SCH80
ASTMA106無縫鋼管-914*60
A106B美標(biāo)無縫鋼管-BN1200SCH40
ASTMA106無縫管-BN25SCH100
ASTMA106B美標(biāo)無縫管-NPS34SCH80
ASTMA333-6無縫管-762*15.88
ASTMA106B美標(biāo)無縫鋼管-NPS30XXS
A106B無縫管-BN450SCH140
ASTMA106-B無縫鋼管-323.9*12.7
美標(biāo)無縫鋼管-711*30
A106B美標(biāo)無縫管-BN90SCH40S
ASTMA106無縫鋼管-NPS3XXS
ASTM美標(biāo)無縫管-NPS18STD
ASTM美標(biāo)無縫鋼管-NPS16SCH80
ASTMA333GR6低溫?zé)o縫管-33.4*3.38
ASTM美標(biāo)無縫鋼管-BN200SCH30
ASTMA106B無縫鋼管-BN300SCH10S
GR.B無縫鋼管-NPS11/4SCH80
ASTMA106-B無縫鋼管-BN200XS
ASTMA106無縫管-NPS5XXS