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Materion Alloy 390 Beryllium Nickel Strip

Category Metal , Nonferrous Metal , Beryllium Alloy , Copper Alloy
Manufacturer Materion Corporation (former Brush Wellman)
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Materion Alloy 390 Beryllium Nickel Strip.pdf
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Material Notes:
Alloy 390 was specifically designed for high power applications, providing a unique combination of high strength and high conductivity. Increasing power requirements are driving the need for lower conductor resistance to reduce joule heating. Higher thermal conductivity is critical to thermal management. Higher power requirements are creating harsh environments and higher operating temperatures. Alloy 390 provides excellent stress relaxation resistance at elevated temperatures increasing electrical contact reliability. Alloy 390 has good formability making it possible to create small form factor electrical contacts used in computer, telecommunication, automotive and appliance applications. Alloy 390 is available in strip form ranging from 0.003" to 0.010" thick. Information supplied by Brush Wellman Engineered Materials.Brush Engineered Materials Inc. changed its name to Materion Corporation in March 2011.
Physical Properties Metric English Comments
Density 8.80 g/cc
0.318 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 951 - 1090 MPa
138000 - 158000 psi
Tensile Strength, Yield 931 - 1050 MPa
135000 - 153000 psi
Elongation at Break >= 1 %
>= 1 %
Modulus of Elasticity 138 GPa
20000 ksi
Fatigue Strength 331 MPa

@# of Cycles 1.00e+8
48000 psi

@# of Cycles 1.00e+8
R = -1
Thermal Properties Metric English Comments
Thermal Conductivity 221.3 W/m-K
1536 BTU-in/hr-ft²-°F
Component Elements Properties Metric English Comments
Beryllium, Be 0.15 - 0.50 %
0.15 - 0.50 %
Copper, Cu 97.6 - 98.85 %
97.6 - 98.85 %
As remainder
Nickel, Ni 1.0 - 1.4 %
1.0 - 1.4 %
Zirconium, Zr <= 0.50 %
<= 0.50 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000390 ohm-cm
0.00000390 ohm-cm
Conductivity is 44% IACS
Descriptive Properties Value Comments
Stress Relaxation 83%
at 150°C for 1000 hr (Initial stress = 75% of 0.2% Offset Yield Strength)
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