ASTMA335P5無縫鋼管-1016*9.53
A106B美標無縫鋼管-610*14.27
ASTMA106-B美標無縫管-NPS28SCH160
ASTMA106B無縫鋼管-NPS5SCH60
ASTMA106-B無縫鋼管-NPS11/4SCH120
ASTMA106B美標無縫管-NPS21/2SCH120
美標無縫鋼管-711*40
ASTMA333-6低溫鋼管-114.3*6.02
ASTMA106-B無縫鋼管-BN1000SCH10
美標低溫鋼管-BN200STD
ASTMA333GR.6低溫無縫鋼管-457.2*34.93
ASTMA106無縫管-BN100SCH40
ASTM美標無縫鋼管-26.7*7.82
ASTMA106-B美標無縫管-BN450SCH100
GR.B無縫管-BN150XXS
ASTMA106B美標無縫管-BN90SCH100
美標合金鋼管-26.7*2.87
A106無縫鋼管-457.2*14.27
ASTMA106-B無縫鋼管-BN25SCH140
ASTMA106B美標鋼管-NPS28SCH40S
試用會員
