AMPCO® 26 Forgings – Premium Hard-Grade Aluminium Bronze for Exceptional Performance

AMPCO® 26 is a patented hard grade aluminium bronze. Its exceptional hardness makes it a unique material. However, this extreme hardness means fragility and machinability difficulties. This alloy has very limited uses and machinability, but it gives exceptional results.

Properties

General

Property	Temperature	Value
Density	23.0 °C	6.84 g/cm³
Recycled Content		80 %

Mechanical

Property	Temperature	Value	Comment
Compressive strength	23.0 °C	1608 MPa
Compressive yield strength, 0.1%	23.0 °C	715 MPa
Hardness, HBW	23.0 °C	420 [-]	HBW 10/3000
Hardness, Rockwell C	23.0 °C	44 [-]

Thermal

Property	Temperature	Value
Coefficient of thermal expansion	23.0 °C	1.6E-5 1/K
Specific heat capacity	23.0 °C	420 J/(kg·K)
Thermal conductivity	23.0 °C	33 W/(m·K)

Electrical

Property	Temperature	Value
Electrical conductivity	23.0 °C	4.00E+6 S/m
Specific Electrical conductivity		8 % IACS

Chemical properties

Property	Value
Copper	Balance

Technological properties

Property
Application areas	Stainless steel drawing dies, forming rolls under great stresses and extreme pressures are the most typical applications for this alloy.

AMPCO® 26: Premium Hard-Grade Aluminium Bronze Castings AMPCO® 26 – The Ultra‑Hard Aluminium Bronze for High‑Performance Castings

Metal