... Flat Bar 1.Material grade:Q195-235,Q235B,Q345 2.Standard:GB/ASTM/JIS/BS 3.Specification:10*3-100*10 Galvanized Flat ... square tubes, hot-dipped galvanized rectangular tubes, hot-dipped galvanized angle iron, and hot-dipped galvanized channel steel (U-steels), square ... tubes, rectangular tubes, angle iron, U-steel, H-steel, and sheet steel. Some specific ...