ASTMA106鋼管-273.1*15.09
ASTMA106B美標(biāo)鋼管-BN6SCH60
A106B美標(biāo)鋼管-NPS26SCH140
GRB美標(biāo)無縫鋼管-NPS14SCH30
GRB美標(biāo)鋼管-BN300SCH40S
ASTMA106GRB無縫鋼管-NPS36SCH80S
GRB美標(biāo)無縫鋼管-NPS3/8SCH10S
ASTMA106-B無縫鋼管-NPS1/8SCH160
A106B美標(biāo)無縫管-NPS8SCH100
ASTMA333-6美標(biāo)無縫鋼管-88.9*7.62
ASTMA106-B美標(biāo)無縫管-NPS8SCH160
ASTMA106B美標(biāo)無縫管-NPS30SCH30
ASTMA106GRB無縫鋼管-BN350SCH10
ASTMA106鋼管-508*15.09
ASTM美標(biāo)無縫管-NPS46SCH10
A333-6低溫?zé)o縫管-88.9*5.49
ASTMA333GR6低溫鋼管-73*9.53
ASTMA106無縫管-BN800SCH30
ASTMA3336無縫鋼管-610*24.61
ASTMA106B無縫管-NPS26SCH40