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ASTMA106無縫管-BN90SCH120

美標(biāo)無縫鋼管-BN400SCH160

A106無縫管-NPS46SCH40

A106B無縫管-BN150SCH60

A106B美標(biāo)鋼管-219.1*6.35

ASTMA106無縫管-NPS11/2SCH40

A106無縫鋼管-BN1000SCH10S

ASTM美標(biāo)鋼管-BN200SCH5S

ASTM美標(biāo)無縫管-NPS30SCH120

美標(biāo)低溫鋼管-NPS1/2XS

A106B無縫管-BN80SCH20

美標(biāo)低溫鋼管-NPS3/4SCH140

ASTMA106無縫鋼管-NPS21/2SCH60

A106B美標(biāo)鋼管-610*52.37

A106B鋼管-457.2*9.53

A106B鋼管-NPS6SCH10

ASTMA106GRB無縫鋼管-NPS8SCH10S

ASTMA333-6無縫管-NPS1/4SCH10S

ASTM無縫鋼管-NPS20SCH20

ASTM美標(biāo)無縫鋼管-NPS30SCH20

A106B無縫鋼管-NPS4SCH5S

A106B美標(biāo)鋼管-BN6STD

ASTMA106鋼管-NPS14SCH80

ASTMA106鋼管-BN32SCH10S