... (twisted square steel, square steel, round steel, flat steel, etc.) to cross arranged, and welded into the middle with square lattice, is a kind of steel products, steel grid ... sizeThickness≥3mm, depth ≥19mm19X3,19X5,20X3, 20X5, 25X3, 25X4, 25X4.5, 25X4.7, 25X5…..40X6, 40X8, 40X10,….90X6….Pitch of Load ... bearding flat bars(mm)12.5,15, 20, 30, 30.6, 32.5, 34, 34.8, 35.3, 40, 60, 80……Pitch of ...