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Materion Beryllium Copper Alloy 25 Strip; HT (TH04) Temper (UNS C17200)

Category Metal , Nonferrous Metal , Beryllium Alloy , Copper Alloy
Manufacturer Materion Corporation (former Brush Wellman)
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Materion Beryllium Copper Alloy 25 Strip; HT (TH04) Temper (UNS C17200).pdf
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Material Notes:
Treatment required for max strength: 2 hrs @ 315ºCStress Relaxation-% Stress Remaining after 1000 hrs @ 100°C: 98%Stress Relaxation after 1000 hrs @ 200°C: 74%Superficial Hardness: 30N 58-65Tabulated 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 38 - 45
38 - 45
Hardness, Vickers 373 - 446
373 - 446
Tensile Strength, Ultimate 1310 - 1520 MPa
190000 - 220000 psi
Tensile Strength, Yield 1130 - 1420 MPa
164000 - 206000 psi
Elongation at Break 1.0 - 6.0 %
1.0 - 6.0 %
Modulus of Elasticity 131 GPa
19000 ksi
Fatigue Strength 310 - 340 MPa

@# of Cycles 1.00e+8
45000 - 49300 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 0.00000610 - 0.00000780 ohm-cm
0.00000610 - 0.00000780 ohm-cm
22-28% IACS Conductivity
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