ASTMA333-6美標無縫鋼管-NPS11/4SCH40
ASTM美標無縫鋼管-BN250SCH20
ASTMA333GR6鋼管-965*12.7
ASTMA333-6鋼管-BN8SCH40S
ASTMA106-B無縫管-NPS26SCH40
GRB美標鋼管-BN80SCH120
GRB美標無縫鋼管-NPS6SCH20
A106B無縫管-26.7*5.56
A106B美標鋼管-BN450SCH30
ASTMA333GR6低溫無縫鋼管-406.4*36.53
ASTMA333-6無縫鋼管-457.2*6.35
GRB美標鋼管-BN20SCH10
美標合金鋼管-BN125SCH80
美標合金鋼管-BN700SCH20
ASTMA333-6美標無縫鋼管-NPS21/2SCH100
ASTMA106-B美標無縫鋼管-NPS2SCH100
ASTMA106無縫管-BN400SCH40
GRB美標鋼管-BN200STD
美標合金鋼管-BN100SCH40
ASTMA106GRB無縫鋼管-BN500SCH160
試用會員
