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Recently Viewed Materials
Eagle Brass 64725 MAX251C, Extra Spring
Categories:
Metal
;
Nonferrous Metal
;
Copper Alloy
Material Notes:
Max 251c has an excellent balance in hardness, formability and conductivity. Typical uses include lead frames, circuit breakers, connectors, electrical springs, contact terminals, and fuse clips.
Information provided by Eagle Brass Company
Key Words:
UNS C64725, ASTM B422
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Physical Properties
Metric
English
Comments
Density
8.77
g/cc
0.317
lb/in³
Annealed
Mechanical Properties
Metric
English
Comments
Tensile Strength, Ultimate
>=
758
MPa
>=
110000
psi
Tensile Strength, Yield
>=
738
MPa
>=
107000
psi
0.2% offset
Elongation at Break
>= 1.0 %
>= 1.0 %
in 2 in.
Tensile Modulus
131
GPa
19000
ksi
Electrical Properties
Metric
English
Comments
Electrical Resistivity
0.00000481
ohm-cm
0.00000481
ohm-cm
Annealed
Thermal Properties
Metric
English
Comments
CTE, linear
17.1
µm/m-°C
@Temperature 20.0 - 300 °C
9.50
µin/in-°F
@Temperature 68.0 - 572 °F
Thermal Conductivity
15.91
W/m-K
110.4
BTU-in/hr-ft²-°F
Component Elements Properties
Metric
English
Comments
Copper, Cu
96 %
96 %
Nickel, Ni
2.0 %
2.0 %
Silicon, Si
0.50 %
0.50 %
Tin, Sn
0.50 %
0.50 %
Zinc, Zn
1.0 %
1.0 %
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
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NEAGLE152 / 147401
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