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Materion Beryllium Copper Alloy 25 Forgings & Extrusions; AT (TF00) Temper (UNS C17200)

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 Beryllium Copper Alloy 25 Forgings & Extrusions; AT (TF00) Temper (UNS C17200).pdf
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Material Notes:
Treatment required for max strength: 3 hrs @ 330°C or Mill HardenedTabulated 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 36 - 42
36 - 42
Tensile Strength, Ultimate 1130 - 1320 MPa
164000 - 191000 psi
Tensile Strength, Yield 890 - 1210 MPa
129000 - 175000 psi
Elongation at Break 3.0 - 10 %
3.0 - 10 %
Modulus of Elasticity 131 GPa
19000 ksi
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
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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