... by the customers,is made of load flat steel bar and cross bars,placed horizontally and vertically,and at ... equipment,then cutting,punching and banding ends .1>Steel grating bearing bar pitches may be 15 to 20,25,30 ... ,ship building,parking lots,city construction,environmental ingineering .Steel grating pictures:Steel grating application: High quality ISO certified Stainless Steel Grating (FACTORY)