nickel-aluminium bronzes

We carry a wide range of high-performing stainless steel and nickel alloy and copper alloy & titanium material, perfect for your engineering related needs to completed your projects. . We are highly focused on offering alloys that with their unique characteristics can handle extreme environments of all sorts.

Description

Technical Data Sheet

AMPCOLOY® 45 Extruded, Specification: AMS 4640, ASTM B 150

 

Nominal composition: 

Aluminium (Al) 10.0%   Manganese (Mn) 1.0%
Iron (Fe) 2.5%   Others   max. 0.5%
Nickel (Ni) 5.0%   Copper (Cu) Balance

 

 

Mechanical and physical properties

 

Units

Nominal Values
Ø ≤ 25.4

mm

Ø 25.4 – 50.8

mm

 

Ø > 50.8 mm

Tensile strength Rm MPa 814 793 772
Yield strength Rp 0.5 MPa 517 448 420
Elongation A5 % 15 18 20
Brinell hardness HBW 10/3000 228 217 212
Rockwell hardness HRB 98 96 96
Reduction of area ψ % 15 20 20
Compressive strength Rmc MPa 1034 1000 965
Compressive strength, 0.1 % perm. set MPa 303
Proportional limit in compression Rpc MPa 276 276 262
Shear strength Rcm MPa 483 476 448
Modulus of elasticity E GPa 117 117 117
Charpy aK J 11.3 11.3 11.3
Izod aK J 13.6 13.6 13.6
Fatigue (100’000’000 cycles) σN MPa 262 255 255
Density ρ g / cm³ 7.53
Coefficient of expansion α 10-6 / K 16.2
Thermal conductivity λ W / m · K 46
Electrical conductivity γ m / Ω · mm² 5
Electrical conductivity % I.A.C.S. 9
Specific heat cp J / g · K 0.45

Assurances given with respect to properties or uses are subject to written approval from AMPCO METAL.

 

 

 

AMPCO® 45 is a high strength alloy with mechanical properties beyond the range of commercial nickel-aluminium bronzes. This is due

to its special manufacturing process.

 

APPLICATIONS: 

AMPCO® 45 is recommended for heavy-duty high-loaded mechanical and corrosive applications. Typical applications involving abrasive wear, friction, deformation, chemical erosion include:

  • aircraft bearings / bushings
  • pump and marine shafts and wear rings
  • valve spindles and seats
  • machine tool parts

The spark-resistance properties make it suitable for safety tools and machine tool components in explosive environments.