ASTMA106無縫管-BN350SCH10
美標無縫鋼管-BN400SCH20
ASTMA106鋼管-NPS42SCH140
GR.B無縫管-NPS10SCH160
ASTMA106-B美標無縫管-508*26.19
ASTMA106B無縫管-BN50SCH40S
ASTMA106無縫管-NPS12SCH60
GRB美標鋼管-48.3*3.68
美標無縫鋼管-BN450SCH10S
A106B無縫管-965*15.88
A106B無縫鋼管-457.2*39.67
ASTMA106-B美標無縫管-NPS42SCH40S
ASTMA106B無縫管-BN6SCH5S
A106鋼管-BN700SCH160
A106無縫鋼管-BN400SCH140
A106B美標無縫管-NPS18SCH20
ASTMA106B無縫管-NPS1SCH10S
A106B無縫鋼管-BN65SCH160
ASTMA106GR.B無縫鋼管-BN50SCH60
ASTMA333GR6低溫無縫管-355.6*11.13