MoldMAX LH® Alloy

Alternative and trade names
MoldMAX LH®
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Description

Materion Performance Alloys’ MoldMAX LH (Low Hard) alloy is a premium copper mold alloy that provides hardness and strength comparable with standard AISI P-20 tool steel and a thermal conductivity five times higher.

This material data has been provided by Materion Brush GmbH.

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

8.36 g/cm³

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Mechanical

PropertyTemperatureValueComment

Charpy impact energy

23.0 °C

20 J

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Elastic modulus

23.0 °C

131 GPa

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Elongation

23.0 °C

15 %

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Fatigue strength

23.0 °C

310 MPa

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10⁷ cycles, R=-1

Hardness, Rockwell C

23.0 °C

30 [-]

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Tensile strength

23.0 °C

965 MPa

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Yield strength Rp0.2

23.0 °C

760 MPa

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

1.75E-5 1/K

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Melting point

870 °C

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Specific heat capacity

100.0 °C

420 J/(kg·K)

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Thermal conductivity

100.0 °C

155 W/(m·K)

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Chemical properties

PropertyValue

Beryllium

1.6 - 2 %

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Cobalt

0.2 - 0.3 %

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Copper

Balance

Technological properties

Property
Application areas

MoldMAX LH alloy is used for injection mold cores and cavities where moderate hardness and high toughness and conductivity are required.