ASTMA333-6美標無縫鋼管-323.9*33.32
A333-6低溫無縫管-762*40
ASTM無縫鋼管-NPS16SCH160
美標無縫鋼管-NPS24SCH100
A106B無縫管-BN500SCH60
美標合金鋼管-1016*12.7
GRB美標無縫鋼管-609.6*17.48
ASTMA106無縫管-457.2*45.24
GR.B無縫管-273.1*6.35
A106鋼管-BN20SCH80S
GR.B無縫管-BN1200STD
ASTMA106B無縫管-BN25SCH80S
ASTMA333-6鋼管-NPS10STD
A106B無縫管-NPS1/2SCH40
A106B鋼管-BN90SCH5S
ASTMA106-B無縫管-BN10SCH10
ASTMA106B美標無縫管-NPS20SCH10S
美標低溫鋼管-219.1*23.01
ASTM無縫鋼管-BN900SCH160
ASTM美標無縫鋼管-BN700SCH5S
試用會員
