1.Item :Alloy Steel Investment Casting Agriculture Machinery 2.Material: Alloy Steel ,AISI 8630, 8640 and 86B40 3. ISO 9001 Alloy Steel Investment Casting Agricultrue Machinery Parts ... Composition Analysis, Tensile Test, Dimension Inspection, Hardness TestingSurface TreatmentHeat Treatment, Machine, Polishing, Chrome, Zinc, Nickel PlatingPackingCartons, Wooden Case, Steel Cases, PalletsAdvantage1 ...