... castingKey specification1.Material: stainless steel, carbon steel, alloy steel ,iron ,alloy, 2.Standard: ASTM\DIN\BS\JIS3.Surface finish ... machine, pickling line.2.Machining facility: CNC machine, linear cutting machine, NC milling machine, polishing machine.Heat treatmentannealing, termpering, ... tensile test machine, hardness test machine, mircoscope. China Marine Hardware/steel part-made in China