... square meter areas’ factory and 100 employees, we have constantly training for the Technology department and sales department,and also the ... 25X5…..40X6, 40X8, 40X10,….90X6….Pitch of Load bearding flat bars(mm)12.5,15, 20, 30, 30.6, 32.5 ... 34.8, 35.3, 40, 60, 80……Pitch of cross bars(mm)38.1, 50, 50.8, 70, 75, 80, ... 1987Australia: AS1657-1985 Plain bar hot dip galvanized steel grating weight from Anping