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AMPCO® 18.23 Continuous-Cast Bronze: Superior Strength & Wear Resistance

This heat-treated alloy is the ultimate in high-strength bronzes requiring good bearing characteristics and exceptional wear resistance. It has greater toughness than grade AMPCO® 18.22 and better physical properties than grades AMPCO® 18 or AMPCO® 18.136. Its exceptional proportional limit gives it a maximum resistance to distortion, enabling the designer to take full advantage of its high physical properties.

Properties

General

PropertyTemperatureValue

Density

23.0 °C

7.45 g/cm³

Recycled Content

80 %

Mechanical

PropertyTemperatureValueComment

Charpy impact energy

23.0 °C

15 J

Compressive strength

23.0 °C

1034 MPa

Elastic modulus

23.0 °C

110 GPa

Elongation A5

23.0 °C

15 %

Fatigue strength

23.0 °C

241 MPa

100.000.000 cycles

Hardness, HBW

23.0 °C

204 [-]

HBW 10/3000

Hardness, Rockwell B

23.0 °C

94 [-]

Izod impact energy

23.0 °C

22 J

Proportional limit

23.0 °C

214 MPa

Proportional limit in compression

23.0 °C

310 MPa

Reduction of area

23.0 °C

15 %

Shear strength

23.0 °C

410 MPa

Tensile strength

23.0 °C

741 MPa

Yield strength Rp0.5

23.0 °C

375 MPa

Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

1.62E-5 1/K

Specific heat capacity

23.0 °C

420 J/(kg·K)

Thermal conductivity

23.0 °C

59 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical conductivity

23.0 °C

7.50E+6 S/m

Specific Electrical conductivity

13 % IACS

Chemical properties

PropertyValue

Aluminium

10.5 %

Copper

Balance

Iron

3.5 %

Other

0.5 %

Technological properties

Property
Application areas

AMPCO® 18.23 gives a successful performance under heavy loads and impact conditions and makes it a preferred material for heavy-duty worm gears and similar applications.


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