black carbon rectangular steel tube 1)Wide:15x15-200*200mm 2)Thickness:0.6-12mm 3)Length:4-9m 4)delivery time:10-15days black carbon rectangular steel tubeDimensions:15*15mm -200*200mmThickness:0.6mm-12mmLength: 4-9mDelivery time:10-15days after depositLoad Port:Tianjin XingangAvailable materials: Q195, Q235, Q345, St33, St37-2, SS330, SS400, ASTM A 106B, ASTM A53, X42Quality:Manufactured to meet ...