A106B美標(biāo)鋼管-NPS5SCH30
GR.B無縫管-NPS16XS
ASTMA106B美標(biāo)無縫管-BN1000SCH60
ASTM美標(biāo)無縫管-BN1100SCH100
ASTMA106B美標(biāo)無縫管-NPS32SCH160
ASTMA333-6無縫鋼管-NPS8SCH120
ASTMA106B無縫鋼管-NPS4SCH120
美標(biāo)低溫鋼管-NPS21/2SCH140
美標(biāo)無縫鋼管-NPS31/2SCH10S
A106無縫鋼管-BN8SCH140
A106無縫鋼管-559*28.58
ASTMA333-6鋼管-33.4*6.35
ASTMA106-B無縫鋼管-NPS4SCH20
GR.B無縫鋼管-NPS14SCH80
A106B鋼管-323.9*6.35
A106無縫管-457.2*23.83
ASTMA106無縫鋼管-BN90STD
ASTMA106GRB無縫鋼管-NPS4SCH80S
A106B美標(biāo)無縫管-NPS1/8SCH10S
GRB美標(biāo)無縫鋼管-711*80