... Thickness:0.4mm,0.5mm,0.7mm Material:GI steel,aluminum plate,mild steel Mini expanded metal Hole size:1.5*3mm, ... 5mm,0.7mm Material:GI steel,aluminum plate,mild steelMini Expanded Metal Material: low carbon steel, stainless steel, aluminum plate, brass plate Hole shape: diamond, ... ,4mm,5mm Characteristic: The expanded metal process takes regular steel and expands it into a diamond pattern, making it ...