... 3.Material :8620,314,314L,316 Precision Metal Turned Parts Details:1). Precision machining part,making any ... Metal Turned Parts Details: Material 301, 302, 303, 304, 304L, 316, 316L, iron, copper, aluminium, brass, C1045 etc.Surface TreatmentPolishing, Powder ... and toughnessprovides good corrosion resistanceused for cutlery, valve parts, and surgical instrumentsStainless steel 440Chard after heat ...