Materion Beryllium Copper Alloy 25 Tube; HT (TH04) Temper; up to 9.5 mm o.d. (UNS C17200)

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Materion Beryllium Copper Alloy 25 Tube; HT (TH04) Temper; up to 9.5 mm o.d. (UNS C17200)
Categories:	Metal; Nonferrous Metal; Beryllium Alloy; Copper Alloy
Material Notes:	Treatment required for max strength: 2-3 hrs @ 315-330°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:	RWMA Class 4, ASTM B-643
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	8.36 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	39 - 45
Tensile Strength, Ultimate	1270 - 1560 MPa
Tensile Strength, Yield	1100 - 1320 MPa
Elongation at Break	2.0 - 9.0 %
Modulus of Elasticity	131 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000610 - 0.00000780 ohm-cm	22-28% IACS Conductivity

Thermal Properties	Original Value	Comments
CTE, linear	17.0 µm/m-°C @Temperature 20.0 - 200 °C
Thermal Conductivity	105 W/m-K
Melting Point	870 - 980 °C
Solidus	870 °C
Liquidus	980 °C

Component Elements Properties	Original Value	Comments
Beryllium, Be	1.8 - 2.0 %
Co + Ni	>= 0.20 %
Co + Ni + Fe	<= 0.60 %
Copper, Cu	98 %	as balance
Lead, Pb	<= 0.020 %

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