Copper Alloy (CW103C), UNS C17540, TH04 Temper, Forgings

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Copper Alloy (CW103C), UNS C17540, TH04 Temper, Forgings
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: Hard and Precipitation Heat Treated Fabrication Properties: Excellent Suitability – Capacity for Being Cold Worked; Good Suitability – Soldering, Brazing, Spot Weld, Seam Weld, Butt Weld, Capacity for Being Hot Formed; Fair Suitability – Gas Shielded Arc Welding, Coated Metal Arc Welding Typical Uses: Welding and Brazing Components; Plunger tips, die casting
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Physical Properties	Metric	English	Comments

Density	8.80 g/cc	0.318 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	95	95
Tensile Strength	827 MPa	120000 psi	Typical
	689 - 965 MPa	100000 - 140000 psi
Elongation at Break	10 - 14 %	10 - 14 %
Tensile Modulus	135 GPa	19600 ksi
Modulus of Rigidity	51.97 GPa	7538 ksi	Calculated
Poissons Ratio	0.30	0.30

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000380 ohm-cm	0.00000380 ohm-cm	45% IACS
Magnetic Permeability	1.0	1.0

Thermal Properties	Metric	English	Comments
CTE, linear	17.6 µm/m-°C @Temperature 20.0 - 300 °C	9.80 µin/in-°F @Temperature 68.0 - 572 °F
Thermal Conductivity	19.5 W/m-K	135 BTU-in/hr-ft²-°F
Melting Point	1030 - 1079 °C	1880 - 1975 °F
Solidus	1030 °C	1880 °F
Liquidus	1079 °C	1975 °F

Component Elements Properties	Metric	English	Comments
Beryllium, Be	0.40 - 0.70 %	0.40 - 0.70 %
Cobalt, Co	0.80 - 1.3 %	0.80 - 1.3 %
Copper, Cu	96.3 - 98 %	96.3 - 98 %	As Balance
Iron, Fe	<= 0.20 %	<= 0.20 %
Nickel, Ni	0.80 - 1.3 %	0.80 - 1.3 %
Silicon, Si	<= 0.20 %	<= 0.20 %

References for this datasheet.

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MC17540x1 / 291606

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