... Polish Ra0.4 Piston casting used for industrial clutch and brakes.1. Material: ASTM C-1362;2. Sand casting, smooth ... , HT200, HT250, HT300;Alloy cast iron: ASTM C-1362, ASTM C-1500;2. Typical products:Scaffold fittings, Template ... Italy, Japan, Swiss, Australia, and South-east Asia; ASTM, DIN, BS, JIS standards;3. Hope we can cooperate ... A356, A360, A380, ADC12 etc. Piston Casting for industrial clutch