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Ensinger PEI

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Ampco Metal AMPCO® 18.23 Aluminum Bronze, Centrifugal Casting
Categories: Metal; Nonferrous Metal; Copper Alloy; Bronze

Material Notes: This heat-treated alloy is the ultimate in high-strength bronzes requiring good bearing characteristics and exceptional wear resistance. It has greater toughness than grade AMPCO 18.22 and better physical properties than grades AMPCO 18 or AMPCO 18.136. Its exceptional proportional limit gives it a maximum resistance to distortion, enabling the designer to take full advantage of its high physical properties.

Applications: AMPCO 18.23 gives a successful performance under heavy loads and impact conditions and makes it a preferred material for heavy-duty worm gears and similar applications.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 7.45 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Brinell 207HB 30
Hardness, Rockwell B 95
Tensile Strength, Ultimate 758 MPa
Tensile Strength, Yield 386 MPa
@Strain 0.5 %
Elongation at Break 16 %
Reduction of Area 16 %
Modulus of Elasticity 110 GPa
Compressive Yield Strength 214 MPaProportional Limit
 345 MPa0.1% Perm. Set
Compressive Strength 1034 MPa
Fatigue Strength 248 MPa
@# of Cycles 1.00e+8
Shear Strength 421 MPa
Izod Impact 24.0 J
Charpy Impact 16.3 J
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0000133 ohm-cm13% I.A.C.S.
 
Thermal PropertiesOriginal ValueComments
CTE, linear 16.2 µm/m-°C
@Temperature 20.0 °C
Specific Heat Capacity 0.420 J/g-°C
Thermal Conductivity 59.0 W/m-K
 
Component Elements PropertiesOriginal ValueComments
Aluminum, Al 10.5 %
Copper, Cu 85.5 - 86 %As Balance
Iron, Fe 3.5 %
Other, total <= 0.50 %

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NAMPCO14 / 14968

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