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Specialty Compounds RTP Company

Materion moldMAX® HH High Hardness Beryllium Copper Alloy
Categories: Metal; Nonferrous Metal; Beryllium Alloy; Copper Alloy

Material Notes: Description: moldMAX® and PROtherm® are Brush Wellman's copper beryllium alloys specifically designed for the plastic processing industry. These alloys provide a combination of thermal conductivity and strength, which allow for :
  • Shorter cycle times and reduced part costs
  • Improved part quality leading to a substantially lower scrap rate
  • 3 times faster machining rates resulting in lower cost molds and shorter delivery times
  • Processing that is similar to tool steels with no substantial processing changes required
  • One million + cycles leading to lower maintenance costs
  • A reduction in cost for Moldmakers
  • Reduced cost and high part quality at a lower piece price for Molders

moldMAX® provides strength and wear resistance similar to that of many tool steels, and a thermal conductivity that is three to four times greater than steel and comparable to aluminum. moldMAX® is typically specified for full cavity and core inserts, blow mold pinch offs, neck rings and handle inserts; cavity and core sub inserts; injection mold components; and hot runner system injection nozzles and manifolds.

Information supplied by Brush Wellman Engineered Materials.

Brush Engineered Materials Inc. changed its name to Materion Corporation in March 2011.

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Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell C 4040
Tensile Strength, Ultimate 1280 MPa185000 psi
Elongation at Break 6 %6 %
Compressive Yield Strength 1070 MPa155000 psi
Charpy Impact 5.42 J4.00 ft-lbV-Notch
 
Thermal PropertiesMetricEnglishComments
CTE, linear 17.5 µm/m-°C
@Temperature 20.0 °C
9.70 µin/in-°F
@Temperature 68.0 °F
Thermal Conductivity 104 W/m-K720 BTU-in/hr-ft²-°F
 
Component Elements PropertiesMetricEnglishComments
Beryllium, Be 1.8 %1.8 %
Copper, Cu 98.2 %98.2 %

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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