Magnesium AM60A-F, Die Cast，UNS M10600; Mg; ASTM B 94; European EN 1753 MC21230 (Ingot UNS M10601),E FOUR

### **Product Datasheet: Magnesium AM60A-F Die Cast Alloy** **Introduction** Magnesium AM60A-F is a high-strength, high-ductility die casting alloy that provides an optimal balance of mechanical properties for structural applications. The alloy designation indicates it contains approximately 6% Aluminum (A) and Manganese (M), with the "-F" temper specifying it is used in the as-fabricated condition from die casting. AM60A offers excellent combination of strength, ductility, and impact resistance, making it particularly suitable for automotive safety components and other applications requiring good energy absorption characteristics. --- #### **1. Chemical Composition (Weight %)** Composition per ASTM B94, EN 1753 MC21230, and UNS M10600/M10601: | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | 5.6 - 6.4 | | **Manganese (Mn)** | 0.26 - 0.50 | | **Zinc (Zn)** | ≤ 0.20 | | **Silicon (Si)** | ≤ 0.08 | | **Copper (Cu)** | ≤ 0.008 | | **Iron (Fe)** | ≤ 0.004 | | **Nickel (Ni)** | ≤ 0.001 | | **Other Elements** | ≤ 0.30 (total) | | **Magnesium (Mg)** | Remainder | --- #### **2. Physical Properties** | Property | Value | |----------|--------| | **Density** | 1.78 g/cm³ (0.064 lb/in³) | | **Melting Range** | 540 - 615°C (1004 - 1139°F) | | **Thermal Conductivity** | 62 W/m·K | | **Coefficient of Thermal Expansion** | 25.9 µm/m·K (20-100°C) | | **Modulus of Elasticity** | 45 GPa (6.5 × 10⁶ psi) | | **Specific Heat Capacity** | 1050 J/kg·K | | **Electrical Resistivity** | 125 nΩ·m | | **Solidification Shrinkage** | 4.1% | --- #### **3. Mechanical Properties (As Die Cast)** **Room Temperature Properties:** | Property | Value | |----------|--------| | **Tensile Strength, Ultimate** | 225 - 255 MPa (32,600 - 37,000 psi) | | **Tensile Strength, Yield (0.2% Offset)** | 125 - 140 MPa (18,100 - 20,300 psi) | | **Elongation** | 8 - 12% (in 2 inches) | | **Compressive Yield Strength** | 125 - 140 MPa (18,100 - 20,300 psi) | | **Hardness, Brinell** | 60 - 65 HB | | **Shear Strength** | 145 - 165 MPa (21,000 - 23,900 psi) | | **Fatigue Strength** | 95 - 115 MPa (13,800 - 16,700 psi) | | **Impact Strength (Charpy)** | 5 - 7 J (3.7 - 5.2 ft-lb) | **Elevated Temperature Properties:** - Maintains mechanical integrity up to 120°C (250°F) - Good creep resistance at moderate temperatures - Stable dimensional characteristics under thermal cycling --- #### **4. International Standards** **Primary Standards:** - **ASTM**: **B94** - Standard Specification for Magnesium-Alloy Die Castings - **European**: **EN 1753 MC21230** - Magnesium alloy ingots and castings - **UNS**: **M10600** (Castings), **M10601** (Ingot) **Additional Recognition:** - **ISO**: **ISO 16220** - Magnesium and magnesium alloys - **SAE**: **J465** - Wrought and Cast Magnesium Alloys - **JIS**: **H 2221** - Magnesium alloy die castings - **DIN**: **1729-2** - Magnesium casting alloys - **GB/T**: **GB/T 19078** - Magnesium alloy die castings (China) --- #### **5. Product Applications** **Automotive Applications:** - **Seat frames and components** - **Instrument panel supports** - **Steering wheel cores** - **Bracket and pedal assemblies** - **Wheel rims** (for specialty vehicles) - **Transmission cases** - **Valve covers** **Electronics & Consumer:** - **Laptop computer cases** - **Power tool housings** - **Camera body frames** - **Portable device enclosures** **Aerospace & Defense:** - **Aircraft interior components** - **Electronic equipment enclosures** - **Military equipment housings** **Industrial Applications:** - **Lawn and garden equipment** - **Material handling components** - **Textile machinery parts** --- #### **6. Die Casting Characteristics** **Process Parameters:** - **Optimal Die Temperature**: 230-280°C (450-540°F) - **Metal Pouring Temperature**: 640-680°C (1185-1255°F) - **Injection Speed**: 30-50 m/s - **Gate Velocity**: 35-55 m/s **Casting Performance:** - Excellent fluidity and mold filling capability - Good resistance to hot cracking - Suitable for thin-walled sections (down to 1.5mm) - Low porosity in properly designed castings - Good surface finish with minimal soldering - Fast cycle times --- #### **7. Manufacturing Considerations** **Machinability:** - Excellent machining characteristics - Good chip formation and surface finish - Extended tool life compared to ferrous materials - Recommended cutting speeds: 300-600 m/min **Joining Methods:** - Adhesive bonding (excellent compatibility) - Mechanical fastening (good thread strength) - TIG welding (with proper filler materials) - Resistance spot welding **Surface Treatment:** - Chromate conversion coating (standard protection) - Anodizing treatments (HAE, Magoxid-Coat) - Electroplating (with special pre-treatment) - Powder coating and painting systems - E-coating for automotive applications --- #### **8. Quality & Performance Features** **Advantages:** - Excellent strength-to-weight ratio - Superior ductility and impact resistance - Good energy absorption characteristics - Excellent damping capacity - Good electromagnetic shielding - 100% recyclable - Good corrosion resistance with proper surface treatment **Design Considerations:** - Higher strength than AM50A with good ductility retention - Excellent for safety-critical applications - Suitable for components requiring energy management - Good performance at both room and elevated temperatures --- **Technical Notes:** 1. AM60A provides optimal balance between strength and ductility for automotive structural applications 2. Particularly suitable for components requiring energy absorption in crash scenarios 3. Good pressure tightness for structural components 4. Compatible with all standard magnesium finishing processes 5. Meets automotive quality and performance standards worldwide **Disclaimer:** This information is provided for reference purposes. Actual properties may vary depending on die casting parameters, component design, and wall thickness. Users should verify suitability for specific applications through appropriate testing and consult current editions of ASTM B94, EN 1753, and other relevant standards for design and procurement purposes.

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 3278 gallon liquid totes Special package is available on request.