美標(biāo)低溫鋼管-NPS1/8STD
ASTMA106B美標(biāo)無縫管-BN10SCH140
A106B無縫鋼管-BN20SCH140
ASTMA106-B美標(biāo)無縫管-NPS11/2SCH5S
ASTM無縫鋼管-NPS1SCH100
A106B無縫鋼管-NPS48SCH160
A106B無縫鋼管-BN1000SCH40
美標(biāo)無縫鋼管-BN20SCH120
ASTMA333-6美標(biāo)無縫鋼管-BN150SCH80S
ASTMA106無縫鋼管-BN200XXS
ASTM美標(biāo)鋼管-BN200SCH30
A106無縫管-NPS1/2SCH5S
ASTMA106-B無縫鋼管-60.3*5.54
ASTMA333-6美標(biāo)無縫鋼管-33.4*6.35
ASTMA106B美標(biāo)無縫鋼管-BN800SCH40S
ASTMA106無縫鋼管-NPS10SCH100
ASTMA106B美標(biāo)鋼管-BN350SCH80
ASTMA333GR.6低溫?zé)o縫管-813*50
ASTMA106GRB無縫鋼管-NPS14SCH120
GR.B無縫鋼管-406.4*30.96