High Precision CNC Machined Zinc Die Cast Components with Nickel Plating

Zinc Alloy Die Castings

Attribute	Technical Specifications
Material Grades	ZAMAK 3 (ZnAl4Cu1), ZAMAK 5 (ZnAl4Cu1Mg), ZA-8, ZA-27
Key Characteristics	High impact strength, Superior fluidity, EMI shielding, Excellent plating adhesion
Casting Tolerance	±0.03mm (ISO 2768-f)
Wall Thickness	Min. 0.4mm (Standard), 0.3mm (Micro-casting)
Surface Finish	As-Cast: Ra 1.6-2.5μm Machined: Ra 0.4-1.0μm
Post-Processing	Electroplating (Ni/Cr/Zn), PVD coating, Chromate conversion, Electroless Nickel Plating
Strength Data	Ultimate Tensile: 280-350 MPa Impact Strength: 55-65 J/cm² (ZAMAK 5)
Typical Applications	Connector housings, Smart lock mechanisms, Wear-resistant gears, Optical mounts
Quality Assurance	Plating adhesion test (ASTM B571),

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