... -coating thickness no less than 275g per square meter 3 diameter-1.83m,2.75m, 3.67m& 4..58m ... common diameter-1830mm,2750mm,3670mm,4583mm,with half-ring,1-ring,2-ring,3-ring and different capacities ... coating thickness no less than 275 gram per square meter,corrosion proof,high strength and long life span. ... Silo cone plate and silo body thickness range from 1.0mm to 3.0mm,fit for different thickness ...