MatWeb - Material Property Data Advertise with MatWeb!     Register Now
Data sheets for over 180,000 metals, plastics, ceramics, and composites.
MatWeb - Material Property Data HOME  •   SEARCH  •   TOOLS  •   SUPPLIERS  •   FOLDERS  •   ABOUT US  •   FAQ  •   LOG IN    
Recently Viewed Materials (most recent at top)  

Login to see your most recently viewed materials here.

Or if you don't have an account with us yet, then click here to register.

  Searches:   Advanced  | Category  | Property  | Metals  | Trade Name  | Manufacturer  | Recently Viewed Materials
  

Master Bond adhesives

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
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 8.77 g/cc0.317 lb/in³Annealed
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate >= 758 MPa>= 110000 psi
Tensile Strength, Yield >= 738 MPa>= 107000 psi0.2% offset
Elongation at Break >= 1.0 %>= 1.0 %in 2 in.
Tensile Modulus 131 GPa19000 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000481 ohm-cm0.00000481 ohm-cmAnnealed
 
Thermal PropertiesMetricEnglishComments
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-K110.4 BTU-in/hr-ft²-°F
 
Component Elements PropertiesMetricEnglishComments
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 terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

Users viewing this material also viewed the following:
Copper, UNS C27000 (Yellow brass), H04 Temper wire
Copper, UNS C26800 (Yellow brass), H04 Temper wire
Eagle Brass 64725 MAX251C, Extra Hard
Eagle Brass 64725 MAX251C, Spring
Eagle Brass 7026 Copper Nickel, 1/4 Hard

NEAGLE152 / 147401

Please read our License Agreement regarding materials data and our Privacy Policy. Questions or comments about MatWeb? Please contact us at info@matweb.com. We appreciate your input.

The contents of this web site, the MatWeb logo, and "MatWeb" are Copyright 1996-2025 by MatWeb, LLC. MatWeb is intended for personal, non-commercial use. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC.