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Eagle Brass 770 Nickel Silver 18%, Hard

Category Metal , Nonferrous Metal , Nickel 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 770 Nickel Silver 18%, Hard.pdf
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Material Notes:
770 has good cold forming properties, is tarnish resistant and has very good spring properties. 770 does not become subject to embrittlement at lower temperature and it has excellent corrosion resistance. Typical uses include springs, resistance wire and optical goods.Information provided by Eagle Brass Company
Physical Properties Metric English Comments
Density 8.69 g/cc
0.314 lb/in³
Annealed
Mechanical Properties Metric English Comments
Hardness, Rockwell 30T 76 - 80
76 - 80
Thickness > 0.020 Inch
Tensile Strength, Ultimate 634 - 738 MPa
92000 - 107000 psi
Tensile Strength, Yield 621 - 731 MPa
90000 - 106000 psi
0.2% offset
Elongation at Break 3.0 - 6.0 %
3.0 - 6.0 %
in 2 in.
Tensile Modulus 124 GPa
18000 ksi
Thermal Properties Metric English Comments
CTE, linear 16.7 µm/m-°C

@Temperature 20.0 - 300 °C
9.30 µin/in-°F

@Temperature 68.0 - 572 °F
Thermal Conductivity 29.4 W/m-K
204 BTU-in/hr-ft²-°F
Component Elements Properties Metric English Comments
Copper, Cu 55 %
55 %
Nickel, Ni 18 %
18 %
Zinc, Zn 27 %
27 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000324 ohm-cm
0.0000324 ohm-cm
Annealed
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