Oxygen-free silver-bearing Copper, UNS C10400, H04 Temper flat products

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Oxygen-free silver-bearing Copper, UNS C10400, H04 Temper flat products
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Good to excellent corrosion resistance. Excellent hot and cold workability; good forgeability. Fabricated by coining, coppersmithing, drawing and upsetting, hot forging and pressing, spinning, swaging, stamping. Applications: auto gaskets, radiators, busbars, conductivity wire, contacts, radio parts, winding, switches, terminals, commutator segments, chemical process equipment, printing rolls, clad metals, printed circuit foil. Test specimens: flat product - 1 mm and 6mm thicknesses. Similar alloys distinguished only by silver content: 8 oz/ton Ag (UNS C10400), 10 oz/ton Ag (UNS C10500), 25 oz/ton Ag (UNS C10700).
Key Words:	AMSIL Copper; Oxygen-free Silver-Copper; ASTM-B-152, QQ-C-502, QQ-C-576
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Physical Properties	Metric	English	Comments

Density	8.94 g/cc	0.323 lb/in³	UNS C10700

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	50	50
Hardness, Rockwell F	90	90
Hardness, Rockwell 30T	57 @Thickness 1.00 mm	57 @Thickness 0.0394 in	Flat products
Tensile Strength, Ultimate	345 MPa	50000 psi
Tensile Strength, Yield	310 MPa	45000 psi
Elongation at Break	6.0 % @Thickness 1.00 mm	6.0 % @Thickness 0.0394 in	In 50 mm
	12 % @Thickness 6.00 mm	12 % @Thickness 0.236 in	In 50 mm
Modulus of Elasticity	115 GPa	16700 ksi
Poissons Ratio	0.307	0.307
Machinability	20 %	20 %	UNS C36000 (free-cutting brass) = 100%
Forgeability	65 %	65 %
Shear Modulus	44.0 GPa	6380 ksi
Shear Strength	195 MPa	28300 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000172 ohm-cm @Temperature 20.0 °C	0.00000172 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	17.0 µm/m-°C @Temperature 20.0 - 100 °C	9.44 µin/in-°F @Temperature 68.0 - 212 °F
	17.3 µm/m-°C @Temperature 20.0 - 200 °C	9.61 µin/in-°F @Temperature 68.0 - 392 °F
	17.7 µm/m-°C @Temperature 20.0 - 300 °C	9.83 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.385 J/g-°C	0.0920 BTU/lb-°F
Thermal Conductivity	388 W/m-K @Temperature 20.0 °C	2690 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	<= 1083 °C	<= 1981 °F
Solidus	1083 °C	1981 °F
Liquidus	1083 °C	1981 °F
Annealing Point	>= 482 °C	>= 900 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	475 - 750 °C	887 - 1380 °F
Hot-Working Temperature	750 - 875 °C	1380 - 1610 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	>= 99.95 %	>= 99.95 %	Includes Ag
Silver, Ag	>= 0.027 %	>= 0.027 %	Min 8 troy oz./ton

References for this datasheet.

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MC10400b6 / 10428

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