... ,Q345,Q345B 2) finishing: black finished(or can be galvanized) 3)Spec:180x180x10-12mm,160x160x10-12mm,140x140x7-9mm,110x110x5-8mm, 90x90x5 ... -5mm, 40 x 40 x3-4mm, 30 x 30 x 3-4mm,25x25x3mm 4) Length: according to requirements Stocking In south ... have a large warehouse with amount of 15000 tons of steel pipes, angle steel, shape steel per year. High Strength Different Sizes Shaped ...