... angle bar : 1. standard Q235, Q345, St37-2, St52-3, ASTM A36,SS400 2. Size 20mm- 250mm 3. Thickness ... :2mm -35mm St 37-2 equal angle bar :We can supply various ... angles and Unequal angles are available.1.equal angle bar standard:GB Standard ---- Q235, Q345EN Standard ---- ... Wire meshes, Wire Rod, Channels, H Beams, Flat Bar, Steel Coils, Steel Sheets/Plates, Steel Pipe, etc ...