PROthermᵀᴹ Alloy

Alternative and trade names
PROthermᵀᴹ
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Description

Materion Performance Alloys’ PROtherm alloy is a high conductivity copper mold alloy with good strength. The alloy provides excellent toughness, and the highest conductivity of any alloy with tensile strength in excess of 100,000 psi.

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

8.83 g/cm³

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Mechanical

PropertyTemperatureValue

Charpy impact energy

23.0 °C

55 J

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Elastic modulus

23.0 °C

138 GPa

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Elongation

23.0 °C

15 %

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Hardness, Rockwell B

23.0 °C

97 [-]

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Hardness, Rockwell C

23.0 °C

20 [-]

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Tensile strength

23.0 °C

725 MPa

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Yield strength Rp0.2

23.0 °C

620 MPa

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

1.8E-5 1/K

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Melting point

1040 °C

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Specific heat capacity

100.0 °C

410 J/(kg·K)

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Thermal conductivity

100.0 °C

250 W/(m·K)

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Chemical properties

PropertyValue

Beryllium

0.2 - 0.6 %

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Copper

Balance

Nickel

1.4 - 2.2 %

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Technological properties

Property
Application areas

PROtherm alloy is used as blow mold cavities, injection mold cores and cavities and hot runners.