GR6美標低溫鋼管-508*32.83
GR6美標低溫鋼管-219.1*6.35
ASTMA333-6美標無縫鋼管-NPS21/2SCH60
ASTMA106-B美標無縫鋼管-NPS1XS
ASTMA106B美標無縫鋼管-NPS5SCH20
ASTM美標無縫鋼管-508*25.4
A106B美標鋼管-BN600SCH10S
ASTMA333GR.6鋼管-406.4*40.49
ASTMA333GR.6鋼管-88.9*15.24
ASTMA106B無縫管-BN350SCH40S
ASTMA333-6鋼管-BN900XS
ASTMA106B美標鋼管-BN150SCH40S
美標低溫鋼管-NPS18XS
ASTM美標鋼管-BN600STD
A106鋼管-BN100XS
ASTMA333-6無縫管-BN125SCH10
ASTMA106無縫管-NPS26SCH30
ASTM無縫鋼管-26.7*2.87
美標合金鋼管-609.6*9.53
美標無縫鋼管-NPS42SCH10
試用會員
