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Eagle Brass 64725 MAX251C, Extra Spring

Category Metal , Nonferrous Metal , Copper Alloy
Manufacturer Eagle Brass Company
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Eagle Brass 64725 MAX251C, Extra Spring.pdf
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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
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
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 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000481 ohm-cm
0.00000481 ohm-cm
Annealed
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