... , embedded type, wear locking type, wear welding type CHARACTERISTIC Steel grille have following characteristics: 1: high strength, light structure ... beautiful shape, smooth surface 4: no accumulation of dirt or rain snow or seeper, easy cleaning, easy to maintain 5: ... ASTM A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc 5 Surface Treatment Black, self colour, hot dip ...