Brush Wellman Beryllium-Copper Alloy 171 1/4 HT (TH01) Temper

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Brush Wellman Beryllium-Copper Alloy 171 1/4 HT (TH01) Temper (discontinued **)
Categories:	Metal; Nonferrous Metal; Beryllium Alloy; Copper Alloy
Material Notes:	Information supplied by Brush Wellman Engineered Materials. Treatment required for max strength: Mill Hardened Formability Ratio, 90° Bend, Radius/Thickness (Good Way): 0 Formability Ratio (bad Way): 0 Automotive wire harness terminals, switches, and relays require high performance materials to survive the severe underhood environment where temperatures are commonly 125°C and can exceed 175°C. These materials must also meet the stringent demands of manufacturing and assembly processes. Alloy 171 was developed to meet the demanding material needs of the automotive designers. Key benefits of Alloy 171 include: Greater reliability in miniaturized design. Reduced temperature rise. No cost penalty when compared to other high performance alloys. Easily formed into complex shapes without sacrificing strength. Increased stamping productivity. Brush Engineered Materials Inc. changed its name to Materion Corporation in March 2011.
Key Words:	UNS C17450; ASTM B-768
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Physical Properties	Original Value	Comments

Density	8.94 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	585 - 760 MPa
Tensile Strength, Yield	450 - 585 MPa
Elongation at Break	>= 18 %
Modulus of Elasticity	138 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	<= 0.00000370 ohm-cm	>46% IACS conductivity

Thermal Properties	Original Value	Comments
CTE, linear	18.0 µm/m-°C @Temperature 20.0 - 200 °C
Thermal Conductivity	221 W/m-K
Melting Point	1032 - 1075 °C
Solidus	1032 °C
Liquidus	1075 °C

Component Elements Properties	Original Value	Comments
Beryllium, Be	0.15 - 0.50 %
Copper, Cu	98.17 %	as balance
Nickel, Ni	0.50 - 1.0 %
Tin, Sn	<= 0.25 %
Zirconium, Zr	<= 0.50 %

**
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NBB220 / 15104

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