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Eagle Brass 725 Copper Nickel Tin, 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 725 Copper Nickel Tin, Extra Spring.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Alloy C725 is a moderate strength, low conductivity alloy with excellent bare solderability and corrosion resistance. Applications include electronic parts, springs, connectors and wire wrap terminals.Information provided by Eagle Brass Company

Physical Properties	Metric	English	Comments
Density	8.89 g/cc	0.321 lb/in³	Annealed

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell 30T	75 - 80	75 - 80	Thickness > 0.020 Inch
Tensile Strength, Ultimate	621 - 724 MPa	90000 - 105000 psi
Tensile Strength, Yield	607 - 703 MPa	88000 - 102000 psi	0.2% offset
Elongation at Break	<= 1.0 %	<= 1.0 %	in 2 in.
Tensile Modulus	138 GPa	20000 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	16.6 µm/m-°C @Temperature 20.0 - 300 °C	9.20 µin/in-°F @Temperature 68.0 - 572 °F
Thermal Conductivity	53.6 W/m-K	372 BTU-in/hr-ft²-°F

Component Elements Properties	Metric	English
Copper, Cu	88.2 %	88.2 %
Nickel, Ni	9.5 %	9.5 %
Tin, Sn	2.3 %	2.3 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000162 ohm-cm	0.0000162 ohm-cm	Annealed

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