AMS 4881

• High Strength Alloy: This AMS bronze is known for its exceptional strength, making it suitable for heavy-duty and high-stress applications.
• Corrosion Resistance: This aluminum bronze offers excellent corrosion resistance, ensuring durability in harsh environments.
• Heat Treatment Enhancement: Through a patented heat treatment process, the alloy achieves mechanical properties that exceed those of commercial nickel-aluminum bronzes.
• Versatile Applications: It is used in various industries due to its superior mechanical properties and corrosion resistance.

Properties and Specifications

AMS 4881 aluminum bronze is a high-performance alloy known for its exceptional properties and specifications. This nickel aluminum bronze undergoes a patented heat treatment process that results in mechanical properties that exceed those of commercial nickel aluminum bronzes. Its strength-to-weight ratio is comparable to beryllium copper but without the associated industrial hygiene requirements. This AMS bronze is corrosion resistant and is particularly well suited for heavy loads, abrasion, friction, and deformation at high temperatures. Originally developed for aerospace applications, it has been used in various industries where superior mechanical properties at elevated temperatures are required, including aircraft landing gear bearings, bending dies, gear wheels, and wear/guide plates. Its specifications are similar to AMS-4881 for castings, making it a sought-after alloy for demanding applications.

Applications

AMS 4881 Aluminum Bronze is used in a wide range of industries due to its exceptional properties. Originally developed for aircraft components such as retractable landing gear and engine spacer bearings, the alloy has expanded its utility. It excels in environments with heavy loads, abrasion, friction, and high temperatures. This versatile alloy is commonly used in aircraft landing gear bearings, tube bending dies, gear wheels, and wear/guide plates. Its unique combination of mechanical strength and corrosion resistance makes it a preferred choice in applications where durability and performance are paramount. This aluminum bronze continues to play a vital role in several critical engineering and industrial applications.