Mild steel flat bar, flat bar Grade: SS400, ST37-2, A36, S235JRG1, Q235, ... : 20mm-800mmLength: 6meter, 9meter, 12meterDescriptions Flat bar is a kind of steel product bearing rectangle section We have the ... : machinery manufacturing, shipbuilding, railway spare parts, Iron tower steel structure, boilers making ,etcFounded in 2000, we are a ... : 0086-315-85184400 Cell:0086-13933470391 Mild Steel Flat Bar