AMPCO® 18.23 Sand castings

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Description

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.

This material data has been provided by AMPCO METAL.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

7.45 g/cm³

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Recycled Content

80 %

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Mechanical

PropertyTemperatureValueComment

Charpy impact energy

23.0 °C

13.6 J

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Compressive strength

23.0 °C

1034 MPa

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Elastic modulus

23.0 °C

110 GPa

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Elongation A5

23.0 °C

14 %

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Fatigue strength

23.0 °C

234 MPa

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100.000.000 cycles

Hardness, HBW

23.0 °C

202 [-]

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HBW 10/3000

Hardness, Rockwell B

23.0 °C

94 [-]

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Izod impact energy

23.0 °C

20 J

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Proportional limit

23.0 °C

214 MPa

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Proportional limit in compression

23.0 °C

310 MPa

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Reduction of area

23.0 °C

14 %

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Shear strength

23.0 °C

400 MPa

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Tensile strength

23.0 °C

724 MPa

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Yield strength Rp0.5

23.0 °C

365 MPa

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

1.62E-5 1/K

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Specific heat capacity

23.0 °C

420 J/(kg·K)

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Thermal conductivity

23.0 °C

59 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

23.0 °C

7.50E+6 S/m

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Specific Electrical conductivity

13 % IACS

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Chemical properties

PropertyValue

Aluminium

10.5 %

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Copper

Balance

Iron

3.5 %

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Other

0.5 %

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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.