ZAMAK2, Zamak 2, Kirksite, AC43A, ZL0430, White Metal, Casting Metal, Zinc Alloy, 7440-66-6, 7429-90-5, 7440-50-8, 7439-95-4

ZAMAK2, Zamak 2, Kirksite, AC43A, ZL0430, White Metal, Casting Metal, Zinc Alloy, 7440-66-6, 7429-90-5, 7440-50-8, 7439-95-4

Zamak 2 is a zinc-based alloy known for its high strength and hardness within the Zamak family. Here's a detailed overview:

Physical and Chemical Properties:

• Chemical Composition:

  • Zinc (Zn): Balance

  • Aluminum (Al): 3.9–4.3%

  • Copper (Cu): 2.7–3.3%

  • Magnesium (Mg): 0.025–0.05%

• Physical Properties:

  • Density: ~6.6 g/cm³

  • Melting Point: 379–390°C

  • Hardness: ~100 Brinell

  • Tensile Strength: ~359 MPa

  • Yield Strength: ~283 MPa

  • Elongation: ~7%

CAS Numbers:

As an alloy, Zamak 2 doesn't have a specific CAS number, but its components do:

• Zinc (Zn): 7440-66-6

• Aluminum (Al): 7429-90-5

• Copper (Cu): 7440-50-8

• Magnesium (Mg): 7439-95-4

Applications:

• Automotive: Durable components like brackets and housings.

• Electronics: Casings and connectors.

• Industrial: High-strength parts for machinery.

• Consumer Goods: Decorative and functional items requiring wear resistance.

Other Names:

• Kirksite

• ZnAl4Cu3

• AC43A

• ZL0430

Colloquial Names:

• White Metal

• Casting Metal

• Zinc Alloy

Why It Is Preferred:

• High Strength and Hardness: Ideal for demanding applications.

• Excellent Castability: Suitable for intricate designs.

• Dimensional Stability: Maintains precision over time.

• Good Finishing Capabilities: Performs well in plating and coating processes.