ASTMA333-6無縫管-NPS44SCH20
美標合金鋼管-406.4*21.44
ASTMA106B美標無縫鋼管-BN1100SCH40
ASTM無縫鋼管-NPS14SCH160
ASTMA106B美標無縫管-508*25.4
ASTMA335P5無縫鋼管-355.6*31.75
ASTMA106鋼管-BN80XXS
ASTMA106無縫管-NPS16STD
ASTMA106-B美標無縫管-610*24.61
GRB美標無縫鋼管-88.9*11.13
美標無縫鋼管-BN40SCH80S
A106B鋼管-273.1*18.26
ASTMA106無縫鋼管-BN10SCH160
ASTMA106鋼管-NPS20SCH60
A106B美標無縫鋼管-88.9*5.49
A106B鋼管-NPS14XS
ASTMA106無縫鋼管-NPS10SCH120
美標低溫鋼管-610*38.89
A106無縫鋼管-NPS38SCH60
ASTMA333-6鋼管-NPS31/2SCH60
試用會員
