AlCu50 Master Alloy, Aluminium–Copper Master Alloy, AlCu Master Alloy, Aluminium–Copper Master Alloy, Stick, Rod, Waffle, Wire, 7440-50-8, 7429-90-5, 7440-21-3, 7439-89-6

AlCu50 Master Alloy, Aluminium–Copper Master Alloy, AlCu Master Alloy, Aluminium–Copper Master Alloy, Stick, Rod, Waffle, Wire, 7440-50-8, 7429-90-5, 7440-21-3, 7439-89-6

ALUMINUM COPPER MASTER ALLOY (AlCu50)
ALCU MASTER ALLOY / STICK / ROD / WAFFLE / WIRE
1. PRODUCT IDENTIFICATION AND CHEMICAL IDENTITY

2. CHEMICAL STRUCTURE
2.1. Molecular Structure
Aluminum Copper master alloy consists of copper phases homogeneously distributed within an aluminum matrix. Copper dissolves in aluminum or forms Al₂Cu intermetallic phases, increasing the alloy's hardness and strength. It provides age hardening, improving mechanical properties. It is a critical additive material especially in AlCu series alloys (2xxx series).

Structural Features:

                ALUMINUM COPPER MASTER ALLOY (AlCu)
                          |
                Al Matrix + Cu Phases / Al₂Cu
                          |
        +----------------+----------------+
        |                |                |
    Al₂Cu Phase       Soluble          Age
    (Hardener)        Cu Phases       Hardening

2.2. Structural Properties

3. COMMERCIAL VARIANT AND COMPOSITION

3.1. AlCu Master Alloy Variant

3.2. Typical Impurity Limits

4. PHYSICAL AND CHEMICAL PROPERTIES

5. STABILITY AND REACTIVITY

5.1. Chemical Reactions

• Oxidation (at High Temperature):
  4Al + 3O₂ → 2Al₂O₃
  2Cu + O₂ → 2CuO

• Reaction with Acids:
  2Al + 6HCl → 2AlCl₃ + 3H₂↑
  Cu + 2H₂SO₄ → CuSO₄ + SO₂↑ + 2H₂O

6. APPLICATION AREAS
6.1. Hardener Additive in Aluminum Alloys

6.2. Sectoral Applications

6.3. Sectoral Suitability Table

7. STANDARDS AND COMPLIANCE

8. ALTERNATIVE / SUBSTITUTE PRODUCTS

9. SAFETY AND TOXICOLOGY

9.1. GHS Classification

Signal Word: WARNING

Hazard Pictograms: GHS02 (Flame), GHS07 (Exclamation Mark), GHS09 (Environment)

10. STORAGE AND SHELF LIFE

11. PACKAGING OPTIONS

12. TRANSPORT INFORMATION

13. REGULATORY STATUS

14. OTHER NAMES AND SYNONYMS

15. QUICK REFERENCE TABLE

16. CRITICAL WARNINGS AND BEST PRACTICES

CRITICAL WARNINGS:

• Hardening Effect: AlCu master alloy provides age hardening in aluminum alloys, increasing hardness and strength. Correct dosage and heat treatment conditions are critical.

• Age Hardening: Copper forms soluble phases in the aluminum matrix, providing age hardening. Heat treatment parameters (solution treatment, quenching, aging) directly affect performance.

• Quality and Origin: Phase stability and impurity control are critical for age hardening effect. Trader-sourced products may show variability in purity and origin.

• Environmental Impact: Due to copper content, it is toxic to aquatic environments (GHS09). Release into water sources must be prevented.

• Oxidation: Oxidizes in oxidizing atmospheres at high temperatures; inert atmosphere or vacuum is required for melting operations.

BEST PRACTICE RECOMMENDATIONS:

• Storage:

  • Store in a cool, dry, and well-ventilated area.

  • Store in original packaging, moisture-free environment.

  • Keep away from acids and oxidizing agents.

  • Store at room temperature (15-25°C).

• Handling:

  • Add to molten aluminum bath in controlled amounts.

  • Calculate correct dosage to achieve target Cu ratio.

  • Ensure proper mixing conditions for optimum homogenization.

  • Optimize heat treatment parameters according to alloy requirements.

  • Use vacuum or inert atmosphere (Ar, N₂) for melting operations.

• Waste Management:

  • Dispose of in accordance with local regulations.

  • Do not discharge into water sources (copper toxicity).

  • For large quantities, aluminum and copper recovery should be considered.

LEGAL DISCLAIMER
This Technical Data Sheet (TDS) is for informational purposes only and has been prepared based on available technical data. The user is solely responsible for determining the suitability of the product for their specific applications and for complying with all local, national, and international regulations. For complete safety, storage, handling, transport, disposal, and regulatory compliance information, the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier must be consulted. This document does not substitute professional advice. Aluminum Copper master alloy is a critical hardener additive material in high-strength aluminum alloys; environmental effects due to copper content should be carefully considered.