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Materion Brushform® 290 Beryllium Copper Alloy Strip; TM08 Temper (UNS C17200)

Category Metal , Nonferrous Metal , Beryllium Alloy , Copper Alloy
Manufacturer Materion Corporation (former Brush Wellman)
Trade Name Brushform®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Materion Brushform® 290 Beryllium Copper Alloy Strip; TM08 Temper (UNS C17200).pdf
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Material Notes:
Treatment required for max strength: Mill HardenedStress Relaxation-% Stress Remaining after 1000 hrs @ 100°C: 99%Stress Relaxation after 1000 hrs @ 200°C: 78%Formability Ratio, 90° Bend, Radius/Thickness (Good Way): 3.5Formability Ratio (bad Way): 3Superficial Hardness: 30N 55-62Tabulated properties apply to products after age hardening. Information supplied by Brush Wellman.Brush Engineered Materials Inc. changed its name to Materion Corporation in March 2011.
Physical Properties Metric English Comments
Density 8.36 g/cc
0.302 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 35 - 43
35 - 43
Hardness, Vickers 345 - 429
345 - 429
Tensile Strength, Ultimate >= 1200 MPa
>= 174000 psi
Tensile Strength, Yield 1060 - 1210 MPa
154000 - 175000 psi
Elongation at Break 3.0 - 15 %
3.0 - 15 %
Modulus of Elasticity 131 GPa
19000 ksi
Fatigue Strength 340 - 410 MPa

@# of Cycles 1.00e+8
49300 - 59500 psi

@# of Cycles 1.00e+8
Reverse Bending (R=1)
Thermal Properties Metric English Comments
CTE, linear 17.0 µm/m-°C

@Temperature 20.0 - 200 °C
9.44 µin/in-°F

@Temperature 68.0 - 392 °F
Thermal Conductivity 105 W/m-K
729 BTU-in/hr-ft²-°F
Melting Point 870 - 980 °C
1600 - 1800 °F
Solidus 870 °C
1600 °F
Liquidus 980 °C
1800 °F
Component Elements Properties Metric English Comments
Beryllium, Be 1.8 - 2.0 %
1.8 - 2.0 %
Co + Ni >= 0.20 %
>= 0.20 %
Co + Ni + Fe <= 0.60 %
<= 0.60 %
Copper, Cu 98 %
98 %
as balance
Lead, Pb <= 0.020 %
<= 0.020 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000660 - 0.0000101 ohm-cm
0.00000660 - 0.0000101 ohm-cm
17-26% IACS Conductivity
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