steel standard flat sizes Thickness:2mm-80mm Width:20mm-800mm Length:5.8meter,6 meter,9 meter,11.8meter,12meter. steel standard flat sizes Thickness:2mm-80mm Width:20mm-800mm Length:5.8mters,6 meter,9 meter,11.8meters,12meter. Material:SS400,ST37-2,A36,S235JRG1,Q235,Q345 etc. Application:Machinery manufacturing,shipbuilding,railway spare parts,iron tower steel structure,boilers making etc.Terms: ...