Magnesium AZ63A-F，AMS 4420; ASTM B 80; SAE J465,E FOUR

Magnesium AZ63A-F Casting Alloy (AMS 4420; ASTM B80; SAE J465)** **Product Description** Magnesium AZ63A-F is a standard sand casting alloy supplied in the as-cast condition. The "F" temper designation indicates the material is in the fabricated state without subsequent heat treatment. This alloy conforms to AMS 4420, ASTM B80, and SAE J465 standards, making it suitable for various aerospace and industrial applications where moderate strength and good castability are required. --- #### **1. Chemical Composition (Weight %)** | Element | Minimum (%) | Maximum (%) | | :--- | :--- | :--- | | **Aluminum (Al)** | 5.3 | 6.7 | | **Zinc (Zn)** | 2.5 | 3.5 | | **Manganese (Mn)** | 0.15 | 0.50 | | **Silicon (Si)** | - | 0.30 | | **Copper (Cu)** | - | 0.25 | | **Iron (Fe)** | - | 0.005 | | **Nickel (Ni)** | - | 0.010 | | **Other Elements** | - | 0.30 (total) | | **Magnesium (Mg)** | **Balance** | --- #### **2. Physical Properties** | Property | Value | | :--- | :--- | | **Density** | 1.83 g/cm³ | | **Melting Range** | 455 - 610°C | | **Thermal Conductivity** | 65 W/m·K | | **Coefficient of Thermal Expansion** | 26.0 μm/m·°C | | **Modulus of Elasticity** | 45 GPa | | **Specific Heat** | 1050 J/kg·K | --- #### **3. Mechanical Properties (As-Cast)** | Property | Typical Value | | :--- | :--- | | **Tensile Strength** | 150 MPa | | **Yield Strength (0.2% Offset)** | 75 MPa | | **Elongation** | 2% | | **Hardness** | 50 HB | | **Compressive Yield Strength** | 75 MPa | | **Shear Strength** | 110 MPa | --- #### **4. International Standards** | Standard | Title | | :--- | :--- | | **AMS 4420** | Magnesium Alloy Castings, Sand 6.5Al-3Zn-0.2Mn (AZ63A-F) | | **ASTM B80** | Standard Specification for Magnesium-Alloy Sand Castings | | **SAE J465** | Magnesium Alloys (Cast and Wrought) | --- #### **5. Product Applications** * **Aerospace Applications** * Non-structural aircraft components * Gearbox housings * Accessory cases * Bracket components * **Industrial Applications** * Pump housings * Compressor parts * Machinery components * Low-stress structural parts --- #### **6. Key Characteristics** * **Advantages:** * Good castability and fluidity * Reasonable corrosion resistance * Excellent machinability * Good vibration damping capacity * Low density with adequate strength * **Limitations:** * Lower mechanical properties compared to heat-treated conditions * Limited to low-stress applications * Requires corrosion protection in severe environments * Not suitable for high-temperature applications * **Fabrication Notes:** * Suitable for sand casting processes * Can be welded using proper techniques * Responds well to aging treatments if required * Good surface finish achievable **Summary** Magnesium AZ63A-F represents a cost-effective solution for magnesium castings where post-casting heat treatment is not required. Its compliance with AMS 4420, ASTM B80, and SAE J465 standards ensures consistent quality for aerospace and industrial applications. The alloy provides the characteristic lightweight advantages of magnesium with adequate as-cast properties for numerous engineering applications.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 3300 gallon liquid totes Special package is available on request.