Customized CNC Turning Parts CNC turning 304 stainless steel components from Longwin Precision. Stainless steel grade 304 is an austenitic stainless steel of the T300 family, often known as a chromium-nickel austenitic alloy. It has good forming and welding capabilities, resistance to corrosion and oxidation, heat resistance, impact resistance, exceptional toughness, high strength, deep drawing...