Nickel Aluminum Bronze (AMS 4640/C63000) Description
Nickel Aluminum Bronze (AMS 4640/C63000) is an extruded aluminum bronze that contains nickel and is alloyed for exceptional strength and toughness. This heat-treatable alloy contains 5% nickel. The addition of this element gives AMS 4640 excellent bearing and corrosion resistance properties. It's used where higher mechanical properties are required.
Nickel Aluminum Bronze (AMS 4640/C63000) Specification
Chemical Composition
Element %
|
Cu
|
Al
|
Fe
|
Mn
|
Ni
|
Si
|
Sn
|
Zn
|
AMS 4640
|
Bal
|
9.0-11.0
|
2.0-4.0
|
1.5
|
4.0-5.5
|
0.25
|
0.20
|
0.30
|
Specifications
Size (Solid Bar)
|
3/8” - 15” diameter
|
Size (Hex & Square Bar)
|
Customized
|
Size (Plate)
|
up to 6” thick
|
Centrifugal
|
ASTM B-150-12
ASTM B-124
ASTM B-171
ASTM B-283
AMS 4640 G
SAE J463
QQ-C-465 B
ASME SB150
|
Continuous
|
AMS 4880
|
Ingot
|
ASTM B30
|
Precision
|
ASTM B806
|
Sand
|
ASTM B148, B763, SAE J461, J462
|
Nickel Aluminum Bronze (AMS 4640/C63000) Applications
There is a large market for Nickel Aluminum Bronze (AMS 4640/C63000) in naval applications, particularly for the submarine fleets of the world. The main applications are in seawater piping and valve systems, weapons handling, flexible couplings, sonar equipment, seawater external hatches, hydraulic valves and bearings, fasteners and sealing flanges, low noise propellers, propulsion equipment as well as periscope assemblies. These applications make use of some of the important properties of nickel aluminum bronzes: good corrosion resistance, non-sparking, wear resistance, high strength and good impact properties.
Nickel Aluminum Bronze (AMS 4640/C63000) Packaging
Our Nickel Aluminum Bronze (AMS 4640/C63000) is carefully handled during storage and transportation to preserve the quality of our product in its original condition.