Copper Alloy, UNS C19720, HR04 Temper, Flat Products

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Copper Alloy, UNS C19720, HR04 Temper, Flat Products
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: Hard and Stress Relieved Fabrication Properties: Excellent Suitability – Capacity for Being Cold Worked; Capacity for Being Hot Formed Typical Uses: Springs, electrical; Terminals, electrical
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Physical Properties	Metric	English	Comments

Density	8.83 g/cc	0.319 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength	448 MPa	65000 psi
Tensile Strength, Yield	414 MPa	60000 psi	0.2% Offset
Elongation at Break	>= 3.0 %	>= 3.0 %
Tensile Modulus	119 GPa	17200 ksi
Modulus of Rigidity	45.5 GPa	6600 ksi
Poissons Ratio	0.30	0.30

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000220 ohm-cm	0.00000220 ohm-cm	80% IACS
Magnetic Permeability	0.999	0.999

Thermal Properties	Metric	English	Comments
CTE, linear	17.3 µm/m-°C @Temperature 20.0 - 300 °C	9.60 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.377 J/g-°C	0.0900 BTU/lb-°F
Thermal Conductivity	26.7 W/m-K	185 BTU-in/hr-ft²-°F
Melting Point	1069 - 1086 °C	1956 - 1986 °F
Solidus	1069 °C	1956 °F
Liquidus	1086 °C	1986 °F
Annealing Point	349 - 549 °C	660 - 1020 °F

Processing Properties	Metric	English	Comments
Hot-Working Temperature	760 - 927 °C	1400 - 1700 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	98.6 - 99.8 %	98.6 - 99.8 %	As Balance
Iron, Fe	0.050 - 0.50 %	0.050 - 0.50 %
Lead, Pb	<= 0.050 %	<= 0.050 %
Magnesium, Mg	0.060 - 0.20 %	0.060 - 0.20 %
Manganese, Mn	<= 0.050 %	<= 0.050 %
Nickel, Ni	<= 0.10 %	<= 0.10 %
Phosphorus, P	0.050 - 0.15 %	0.050 - 0.15 %
Tin, Sn	<= 0.20 %	<= 0.20 %
Zinc, Zn	<= 0.20 %	<= 0.20 %

Descriptive Properties
US EPA Registered Antimicrobial	Yes

References for this datasheet.

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MC19720x2 / 291768

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