Medium thickess aluminum plate refers to aluminium plates with thick between 25mm ~ 200mm.

Unit ( mm ): 25mm, 25.4mm, 26mm, 27mm, 28mm, 29mm, 30mm, 35mm, 40mm, 45mm, 50mm, 50.8mm, 100mm etc

Unit ( cm ): 10 cm etc

Unit ( inch ): 1, 2 etc