ASTMA333-6鋼管-BN15SCH10S
ASTMA106-B無縫管-BN1000SCH160
A106B無縫鋼管-BN900SCH80S
ASTMA333-6鋼管-NPS10XXS
ASTM美標(biāo)無縫管-NPS38SCH10S
ASTMA106B美標(biāo)鋼管-NPS34SCH5S
ASTMA106無縫鋼管-NPS31/2SCH160
A106無縫管-BN900SCH40
ASTMA106B無縫管-48.3*5.08
A106B無縫鋼管-BN100SCH100
ASTMA333GR.6低溫?zé)o縫管-114.3*6.02
ASTMA106鋼管-965*30
A106B無縫鋼管-NPS14SCH60
GRB美標(biāo)無縫鋼管-457.2*12.7
美標(biāo)合金鋼管-NPS44SCH20
A106B無縫管-168.3*10.97
A106B無縫鋼管-60.3*3.91
A106無縫管-BN6SCH60
ASTMA333-6無縫鋼管-NPS48SCH10S
美標(biāo)無縫鋼管-NPS6SCH140