Materion Beryllium Copper Alloy 174 Strip; 1/2HT (TH02) Temper (UNS C17410)

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Materion Beryllium Copper Alloy 174 Strip; 1/2HT (TH02) Temper (UNS C17410)
Categories:	Metal; Nonferrous Metal; Beryllium Alloy; Copper Alloy
Material Notes:	Treatment required for max strength: Mill Hardened Stress Relaxation-% Stress Remaining after 1000 hrs @ 100°C: 95% Stress Relaxation after 1000 hrs @ 200°C: 67% Formability Ratio, 90° Bend, Radius/Thickness (Good Way): 0.5 Formability Ratio (bad Way): 0.5 Superficial Hardness: 30T 75.5-81.9 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-768
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Physical Properties	Original Value	Comments

Density	8.80 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	89 - 98
Hardness, Vickers	180 - 230
Tensile Strength, Ultimate	655 - 790 MPa
Tensile Strength, Yield	550 - 690 MPa
Elongation at Break	10 - 20 %
Modulus of Elasticity	138 GPa
Fatigue Strength	280 - 310 MPa @# of Cycles 1.00e+8	Reverse Bending (R=1)

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000290 - 0.00000380 ohm-cm	45-60% IACS Conductivity

Thermal Properties	Original Value	Comments
CTE, linear	18.0 µm/m-°C @Temperature 20.0 - 200 °C
Thermal Conductivity	230 W/m-K
Melting Point	1030 - 1070 °C
Solidus	1030 °C
Liquidus	1070 °C

Component Elements Properties	Original Value	Comments
Beryllium, Be	0.15 - 0.50 %
Cobalt, Co	0.35 - 0.60 %
Copper, Cu	99 %	as balance

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NBB482 / 15191

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