Performance Alloys MoldStar® 90 Copper Mold Alloy

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Performance Alloys MoldStar® 90 Copper Mold Alloy
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Description: MoldStar® 90 is a beryllium-free copper alloy for the blow molding and injection molding industries as well as other industrial applications. MoldStar® 90 provides a good balance of thermal conductivity, hardness, corrosion resistance and wear. Applications: Mold Inserts Thermal Pins Mold Cores Cavities Lifters Etc. Information provided by Performance Alloys.
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Physical Properties	Metric	English	Comments

Density	8.58 g/cc	0.310 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	311	311	3000kg
Hardness, Rockwell C	31	31
Tensile Strength at Break	1030 MPa	150000 psi
Tensile Strength, Yield	965 MPa	140000 psi
Elongation at Break	5.0 %	5.0 %	in 2"
Compressive Strength	965 MPa	140000 psi

Thermal Properties	Metric	English	Comments
CTE, linear	17.1 µm/m-°C @Temperature 20.0 °C	9.50 µin/in-°F @Temperature 68.0 °F
Thermal Conductivity	156 W/m-K @Temperature 15.6 °C	1080 BTU-in/hr-ft²-°F @Temperature 60.0 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	89 %	89 %
Nickel, Ni	7.5 %	7.5 %
Other	3.5 %	3.5 %

Descriptive Properties
Thermal diffusivity at 68°F	1.76 ft²/hr

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NPER01 / 18768

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