ASTMA106鋼管-BN800SCH160
A106B美標鋼管-NPS2SCH160
ASTMA106無縫管-NPS12XXS
ASTMA106B無縫鋼管-219.1*7.04
ASTMA106-B美標無縫鋼管-NPS12SCH30
ASTMA106B美標鋼管-NPS38SCH120
GR.B無縫管-NPS32XS
A106B美標鋼管-NPS26STD
A106B無縫鋼管-1168*12.7
GR.B無縫鋼管-NPS1/2SCH10
ASTMA333-6美標無縫鋼管-219.1*22.23
ASTMA106-B美標無縫鋼管-219.1*6.35
ASTMA333-6無縫管-NPS18STD
ASTMA333-6美標無縫鋼管-NPS32SCH20
ASTM美標無縫管-711*20
ASTMA106B美標鋼管-609.6*46.02
美標合金鋼管-NPS1STD
ASTMA106無縫鋼管-33.4*3.38
GRB美標鋼管-BN15SCH80S
GRB美標無縫鋼管-NPS1/2SCH60