Q345B無縫鋼管規格

Q345B無縫鋼管127×4.5-5-6-7-8-10-12-14-16-20
Q345B無縫鋼管133×4.5-6-8-12-14-16-18-20-25-30
Q345B無縫鋼管140×5-6-7-8-9-10-12-14-16-20-22
Q345B無縫鋼管146×4.5-6-8-12-14-16-18-20-25-30
Q345B無縫鋼管152×4.5-6-8-12-14-16-18-20-25-30
Q345B無縫鋼管159×4.5-6-10-12-14
Q345B無縫鋼管159×16-18-20-22-25-30
Q345B無縫鋼管168×8-10-12-14-20-25-30-35
Q345B無縫鋼管180×8-12-16-25-30
Q345B無縫鋼管180×32-34-38-40
Q345B無縫鋼管194×6-8-12-16-20-25-30-40
Q345B無縫鋼管203×6-7-10-15-20-25-30
Q345B無縫鋼管203×32-36-40
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