Chromium-Copper, UNS C17600, TH04 Temper rod, bar, wire, tubing, plate

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Chromium-Copper, UNS C17600, TH04 Temper rod, bar, wire, tubing, plate
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Applications: resistance welding electrodes for spot, seam, flash, and projection welding methods; electrical connectors, clips TB00 temper rod, bar, wire, plate, and tubing.
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Physical Properties	Metric	English	Comments

Density	8.75 g/cc	0.316 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	95 - 102	95 - 102
Tensile Strength, Ultimate	760 - 900 MPa	110000 - 131000 psi
Tensile Strength, Yield	690 - 825 MPa @Strain 0.2 %	100000 - 120000 psi @Strain 0.2 %
Elongation at Break	10 - 20 %	10 - 20 %
Modulus of Elasticity	125 - 130 GPa	18100 - 18900 ksi
Shear Modulus	44.0 GPa	6380 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000029 - 0.0000034 ohm-cm @Temperature 20.0 °C	0.0000029 - 0.0000034 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	16.7 µm/m-°C @Temperature 20.0 - 200 °C	9.28 µin/in-°F @Temperature 68.0 - 392 °F
Specific Heat Capacity	0.420 J/g-°C	0.100 BTU/lb-°F
Thermal Conductivity	215 - 245 W/m-K	1490 - 1700 BTU-in/hr-ft²-°F
Melting Point	1031 - 1068 °C	1888 - 1954 °F
Solidus	1031 °C	1888 °F
Liquidus	1068 °C	1954 °F

Processing Properties	Metric	English	Comments
Processing Temperature	975 °C	1790 °F	Hot-Shortness Temperature
Annealing Temperature	900 - 950 °C	1650 - 1740 °F	10 minutes/water quench
Aging Temperature	425 °C	797 °F	3-6 hours, for maximum strength
	480 °C	896 °F	Commercial practice, 2-3 hours
Hot-Working Temperature	750 - 925 °C	1380 - 1700 °F

Component Elements Properties	Metric	English	Comments
Beryllium, Be	0.25 - 0.50 %	0.25 - 0.50 %
Co + Ni	>= 1.4 %	>= 1.4 %
Co + Ni + Fe	<= 1.9 %	<= 1.9 %
Cobalt, Co	1.4 - 1.7 %	1.4 - 1.7 %
Copper, Cu	97 %	97 %
Silver, Ag	0.90 - 1.1 %	0.90 - 1.1 %

References for this datasheet.

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MC17600b4 / 10913

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