mild steel high quality and best price short delivery time corrosion resistance elegant and firm appearance Steel Grating 1> Bearing bar pitches may be 15 to 22, 25, 30, 32.5, 34, 40, 50, 60, 80, 90mm, of which 25, 30, 34 and 40mm are recommended.2> Cross bar pitches maybe 24-200mm, of which 50mm, 76mm and 100mm are recommended.3> Steel grating is made by the world first-class equipment, which ...