AMPCO® M4
Description
AMPCO® M4 is a high-performance aluminum bronze alloy designed for demanding applications. It delivers mechanical properties superior to conventional nickel-aluminum bronzes and offers performance comparable to beryllium copper, but at a lower cost and without the industrial hygiene constraints associated with beryllium.
Manufacturing process
Centrifugally Casted
Extruded
Forged Plates
Forged Rounds
Sand Casted
Available in
Billet
Plate
Rectangle
Ring
Round
Tube
Key Features
- Food certified by ISEGA
- High mechanical strength
- Good sliding properties
- Corrosion resistant
- Wear-resistant
- Heat resistant at elevated temperatures
- Compliant with AMS 4590 for extrusions & AMS 4881 for castings
- Recommended max. Operating Temperature: 350°C*
*Note: This value is provided for information purposes only. For a detailed assessment, please contact our engineering team to evaluate your specific application conditions.
Applications
- Aircraft landing gear bearings & bushings
- Gear wheels
- Wear & guide plates
- Bending dies
- Applications requiring high mechanical strength at elevated temperatures
- Various parts used in steel mills
- Applications in marine & aerospace industry
Extended Overview
AMPCO® M4 is recognized for its superior balance of strength, toughness, and resistance to wear and corrosion. Its reliability in aerospace, marine, and heavy-duty engineering environments makes it an alloy of choice for critical applications. Designed for long-lasting service life, AMPCO® M4 ensures dependable operation even under the harshest conditions, helping to improve equipment performance and reduce maintenance requirements.
Mechanical Properties Composition
These are nominal values as these tables are used for comparative purposes. If specific figures are required, please go to the product page and download the technical data sheets for exact specs.
| D kg/dm3 | Rm Mpa | Rp0,5 Mpa | A5 % | HBW | W/m.°K | Coefficient of Friction |
|---|---|---|---|---|---|---|
| 7.45 | 1000 | 793 | 8 | 286 | 42 | 0.23 |
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