... 3.Material :8620,314,314L,316 Precision Metal Turned Parts Details:1). Precision machining part,making any products ... instrument before dispatching.6). Rosh, CE, can be availablePrecision Metal Turned Parts Details: Material 301, 302, 303, 304, 304L, ... and toughnessprovides good corrosion resistanceused for cutlery, valve parts, and surgical instrumentsStainless steel 440Chard after heat treatedgood ...