... equipment,then cutting,punching and banding ends .1>Steel grating bearing bar pitches may be 15 to 20,25,30,33,35 ... 25,30,35 and 40mm are recommended .2>Steel grating cross bar pitches may be 24-200mm,of which 50mm,76mm and ... treatment,ship building,parking lots,city construction,environmental ingineering .Steel grating pictures:Steel grating application: High quality ISO certified Stainless Steel ...