壁厚方管|Q345方管

Q235B/Q345B 100*100*(5-12)*1200 Q235B/Q345B 120*120*(6-12)*1200 Q235B/Q345B 140*140*(4-12)*1200 Q235B/Q345B 150*150*(4-12)*1200 Q235B/Q345B 160*160*(4-12)*1200 Q235B/Q345B 180*180*(4-12)*1200 Q235B/Q345B 200*200*(4-16)*1200 Q235B/Q345B 220*220*(4-16)*1200 Q235B/Q345B 240*240*(6-16)*1200 Q235B/Q345B 250*250*(5-16)*1200 Q235B/Q345B 260*260*(6-16)*1200 Q235B/Q345B 280*280*(6-16)*1200 Q235B/Q345B 300*300*(6-16)*1200 Q235B/Q345B 350*350*(8-16)*1200 Q235B/Q345B 400*400*(8-16)*1200 Q235B/Q345B 450*450*(8-16)*1200 Q235B/Q345B 200*100*(4-12)*1200 Q235B/Q345B 250*100*(4-12)*1200 Q235B/Q345B 250*150*(4-12)*1200 Q235B/Q345B 300*100*(4-12)*1200 Q235B/Q345B 300*200*(4-12)*1200