ASTMA106B無縫鋼管-BN250STD
ASTMA106B無縫鋼管-457.2*29.36
A106B無縫管-NPS26SCH20
ASTMA106-B無縫管-NPS5SCH40
ASTM美標鋼管-457.2*15.88
美標低溫鋼管-610*46.02
GR.B無縫管-NPS38SCH10
美標無縫鋼管-48.3*7.14
A106B美標無縫鋼管-NPS20SCH80S
GRB美標鋼管-NPS2SCH40S
ASTMA335P11無縫鋼管-1067*12.7
ASTMA106B無縫管-BN32SCH60
A106鋼管-BN25SCH40S
ASTMA106-B美標無縫鋼管-NPS1SCH30
GR.B無縫鋼管-219.1*23.01
ASTM無縫鋼管-BN800SCH120
ASTMA106-B美標無縫管-BN20SCH40
ASTMA106B美標無縫管-BN300SCH30
ASTMA106B無縫鋼管-BN450SCH40
ASTMA333-6無縫管-BN1000SCH40S
試用會員
