flat steel, hot rolled flat bar Grade: SS400, ST37-2, A36, ... 800mmLength: 6meter, 9meter, 12meterDescriptions Flat bar is a kind of steel product bearing rectangle section We ... manufacturing, shipbuilding, railway spare parts, Iron tower steel structure, boilers making ,etcFounded in 2000, we ... products include angle steel, channel, I-beam, H-beam, deformed bar, round bar, steel pipe, steel plate and ...