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Rulon Bearings

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Delphi K-Alloy A304 Casting Alloy
Categories: Metal; Nonferrous Metal; Aluminum Alloy; Aluminum Casting Alloy

Material Notes: Delphi's K-Alloy/A304 is a patented casting alloy engineered to protect today's most critical components from harsh operating environments. It also has high elongation properties when compared to other aluminum die casting alloys.

Benefits

  • Excellent corrosion resistance offers unique engineering solutions
  • High elongation properties
  • Superior finishing quality for high polish applications
  • Better thermal conductivity for improved cooling (15% over A380)
  • Eliminates pre and post processing needs such as anodizing and paint
  • Same castability and flow properties as standard die cast alloys
  • Same shrink factors as existing molds
  • Die life similar to A380
  • No special tooling or process parameters required
Typical Applications
  • Electronic component housings exposed to harsh environments
  • Indoor and outdoor lighting, such as LED lighting
  • Automotive structural components
  • Recreational equipment, such as boats and fishing equipment
  • Defense applications, such as drones, military radios, and antennas
  • Automotive, transportation, and harsh under hood environments

Information provided by Delphi

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Physical PropertiesOriginal ValueComments
Density 2.63 g/cc
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 42000 psiHeat Treated
 43000 psiAs Cast
Tensile Strength, Yield 23000 psiHeat Treated
 25000 psiAs Cast
Elongation at Yield 5.0 %As Cast
 8.0 - 14 %Heat Treated
 
Thermal PropertiesOriginal ValueComments
Thermal Conductivity 120 W/m-K
 
Descriptive Properties
Corrosion ResistanceBest
Die Life100% of A380

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 go back to viewing the property data in MatWeb's normal format.

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NDELPHI01 / 185651

Aluminum Castings

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