美標(biāo)合金鋼管-NPS1/2SCH100
ASTMA335P9合金鋼管-762*30
ASTMA106GR.B無縫鋼管-914*15.88
ASTMA106B美標(biāo)鋼管-101.6*5.74
ASTMA106鋼管-BN15SCH100
A106B美標(biāo)鋼管-NPS26SCH10
美標(biāo)無縫鋼管-BN100SCH160
A106鋼管-813*7.92
ASTM美標(biāo)鋼管-219.1*6.35
ASTMA333-6鋼管-BN90SCH40
ASTM美標(biāo)無縫鋼管-BN500SCH10S
GRB美標(biāo)鋼管-NPS34SCH40S
A106B鋼管-NPS48XS
ASTMA106B美標(biāo)無縫鋼管-BN350SCH40S
ASTMA333-6無縫管-NPS3SCH120
ASTMA333-6鋼管-BN80SCH40S
A106無縫管-813*15.88
ASTM美標(biāo)鋼管-BN65SCH10
GR.B無縫管-BN32SCH140
GRB美標(biāo)鋼管-BN400SCH100