Elektron AM60B Magnesium Alloy,E FOUR

### **Elektron AM60B Magnesium Alloy** **Product Overview** Elektron AM60B is a high-ductility magnesium-aluminum-manganese die casting alloy renowned for its exceptional combination of strength, ductility, and impact resistance. As one of the most widely specified magnesium alloys for automotive safety components, AM60B offers superior energy absorption characteristics and excellent castability. The alloy maintains an optimal balance between mechanical properties and corrosion resistance, making it particularly suitable for applications where vibration damping, impact resistance, and energy absorption are critical design requirements. This alloy is primarily supplied as high-pressure die castings and is extensively used in automotive safety components and structural applications requiring high integrity and reliability. --- #### **1. Chemical Composition** AM60B features a carefully balanced composition that prioritizes ductility and impact strength. | Element | Composition (% by Weight) | | :---------------- | :-------------------------------- | | **Aluminum (Al)** | 5.6 - 6.4 % | | **Manganese (Mn)** | 0.26 - 0.5 % | | **Zinc (Zn)** | ≤ 0.22 % | | **Silicon (Si)** | ≤ 0.10 % | | **Copper (Cu)** | ≤ 0.008 % | | **Iron (Fe)** | ≤ 0.004 % | | **Nickel (Ni)** | ≤ 0.001 % | | **Other Impurities** | ≤ 0.01 % (each) | | **Magnesium (Mg)** | Balance | *Note:* The **aluminum** content is optimized to provide good strength while maintaining high ductility through reduced formation of the brittle Mg₁₇Al₁₂ phase. **Manganese** enhances corrosion resistance by controlling iron impurities, and the strict limits on **zinc**, **copper**, and **nickel** ensure excellent corrosion performance. --- #### **2. Physical & Mechanical Properties** AM60B exhibits outstanding mechanical properties with emphasis on ductility and impact strength. **Physical Properties:** * **Density:** 1.78 g/cm³ (0.064 lb/in³) * **Melting Range:** 540 - 615 °C (1004 - 1139 °F) * **Coefficient of Thermal Expansion:** 26.0 μm/m·°C (20-200°C) * **Thermal Conductivity:** 62 W/m·K * **Specific Heat Capacity:** 1050 J/kg·K **Typical Mechanical Properties (As-Die Cast):** * **Ultimate Tensile Strength (UTS):** 220 - 240 MPa (32 - 35 ksi) * **Tensile Yield Strength (TYS):** 120 - 140 MPa (17 - 20 ksi) * **Elongation:** 8 - 12% * **Compressive Yield Strength:** 120 - 140 MPa (17 - 20 ksi) * **Impact Strength (Charpy):** 6 - 9 J (4.5 - 6.5 ft·lb) * **Fatigue Strength:** 110 - 130 MPa (16 - 19 ksi) * **Hardness:** 60 - 70 HBW * **Modulus of Elasticity:** 45 GPa (6.5 × 10³ ksi) **Special Characteristics:** * **Excellent energy absorption capacity** * **Superior vibration damping characteristics** * **Good impact resistance at room and low temperatures** * **Maintains ductility in thin-walled sections** --- #### **3. International Standards & Specifications** AM60B is recognized by all major international standards organizations. * **ASTM International:** **ASTM B94** (Standard Specification for Magnesium-Alloy Die Castings) * **ISO Standards:** **ISO 16220** (Magnesium and magnesium alloys - Castings) * **SAE International:** **SAE J465** * **UNS Designation:** **UNS M10600** * **German Standards:** **DIN EN 1753 Mg-Al6Mn** * **Japanese Standards:** **JIS H 5303** * **Automotive Standards:** Various OEM specifications (GM, Ford, Chrysler, etc.) * **Proprietary Designation:** **Elektron AM60B** (Luxfer MEL Technologies) --- #### **4. Product Applications** AM60B is extensively used in automotive and industrial applications where safety and reliability are paramount. * **Automotive Safety Components:** * **Steering Wheel Armatures** * **Seat Frames and Components** * **Instrument Panel Structures** * **Steering Column Lock Housings** * **Airbag Retainer Rings** * **Automotive Structural Components:** * **Wheel Rims** * **Valve Covers** * **Intake Manifolds** * **Bracket and Mounting Systems** * **Consumer and Industrial Applications:** * **Power Tool Housings** * **Lawn and Garden Equipment** * **Sporting Goods** * **Electronic Enclosures** * **Aerospace and Defense:** * **Aircraft Seat Components** * **Equipment Housings** * **Military Electronics Enclosures** --- #### **5. Manufacturing Characteristics** **Die Casting Performance:** * Excellent fluidity for thin-walled castings (1.5-2.0 mm) * Good hot tearing resistance * Excellent dimensional stability * Fast cycle times in high-pressure die casting * Good reproducibility in mass production **Secondary Processing:** * Excellent machinability * Good surface finish quality * Superior vibration damping during machining operations * Good weldability using TIG and MIG processes * Excellent paint adhesion and coating compatibility --- **Summary** **Elektron AM60B Magnesium Alloy** represents the ideal compromise between strength and ductility in magnesium die casting alloys. Its optimized **aluminum-manganese** chemistry provides an exceptional balance of **mechanical properties**, **impact resistance**, and **energy absorption** capabilities. The alloy's compliance with major international standards including **ASTM B94**, **ISO 16220**, and various automotive OEM specifications ensures consistent quality and performance in high-volume production environments. AM60B has established itself as the material of choice for automotive safety components, particularly steering wheels and seat structures, where its superior energy absorption characteristics and proven reliability contribute significantly to vehicle safety systems. The alloy continues to be widely specified across multiple industries, offering designers a lightweight, high-performance material solution that excels in applications requiring both structural integrity and safety performance.

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 3408 gallon liquid totes Special package is available on request.