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Extreme Materials from MCAM
Visit Mitsubishi Chemical Advanced Materials for Extreme Materials - high performance plastic machining stock engineered to replace metals such as nickel alloys or stainless steel.

Eagle Brass 770 Nickel Silver 18%, Extra Hard
Categories: Metal; Nonferrous Metal; Copper Alloy

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

Key Words: UNS C77000, ASTM B122
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 PropertiesMetricEnglishComments
Density 8.69 g/cc0.314 lb/in³Annealed
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell 30T 76 - 8276 - 82Thickness > 0.020 Inch
Tensile Strength, Ultimate 703 - 793 MPa102000 - 115000 psi
Tensile Strength, Yield 696 - 786 MPa101000 - 114000 psi0.2% offset
Elongation at Break 1.0 - 2.0 %1.0 - 2.0 %in 2 in.
Tensile Modulus 124 GPa18000 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000324 ohm-cm0.0000324 ohm-cmAnnealed
 
Thermal PropertiesMetricEnglishComments
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-K204 BTU-in/hr-ft²-°F
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu 55 %55 %
Nickel, Ni 18 %18 %
Zinc, Zn 27 %27 %

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 terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NEAGLE222 / 147471

Ensinger PEI

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