Materion Beryllium Copper Alloy 25 Plate & Rolled Bar; HT (TH04) Temper; over 9.5 to 25 mm Thickness (UNS C17200)

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Materion Beryllium Copper Alloy 25 Plate & Rolled Bar; HT (TH04) Temper; over 9.5 to 25 mm Thickness (UNS C17200)
Categories:	Metal; Nonferrous Metal; Beryllium Alloy; Copper Alloy
Material Notes:	Treatment required for max strength: 2 hrs @ 330°C or Mill Hardened Tabulated 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.
Key Words:	ASTM B-194, AMS 4534, RWMA Class 4
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Physical Properties	Metric	English	Comments

Density	8.36 g/cc	0.302 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	38 - 44	38 - 44
Tensile Strength, Ultimate	1240 - 1520 MPa	180000 - 220000 psi
Tensile Strength, Yield	1060 - 1380 MPa	154000 - 200000 psi
Elongation at Break	1.0 - 5.0 %	1.0 - 5.0 %
Modulus of Elasticity	131 GPa	19000 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000610 - 0.00000780 ohm-cm	0.00000610 - 0.00000780 ohm-cm	22-28% IACS Conductivity

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

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.

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