Muntz metal, UNS C28000, O61 Temper rod

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Muntz metal, UNS C28000, O61 Temper rod
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Fair to excellent corrosion resistance. Excellent hot formability and forgeability for blanking, forming and bending, hot forging and pressing, hot heading and upsetting, shearing. Applications: architectural, large nuts and bolts, brazing rod, condenser plates, heat exchanger and condenser tubing, hot forgings. Test specimen: rod - 25mm diameter.
Key Words:	CDA 280, CZ109, ISO CuZn40, CEN CW509L, yellow metal, 60/40 brass
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Physical Properties	Original Value	Comments

Density	8.39 g/cc
Grain Size	10 µm @Treatment Temp. 425 °C	extruded, cold drawn 30%, annealed 1h
	13 µm @Treatment Temp. 500 °C	extruded, cold drawn 30%, annealed 1h
	27 µm @Treatment Temp. 600 °C	extruded, cold drawn 30%, annealed 1h
	43 µm @Treatment Temp. 690 °C	extruded, cold drawn 30%, annealed 1h

Mechanical Properties	Original Value	Comments
Hardness, Rockwell F	80
Tensile Strength, Ultimate	370 MPa
	550 MPa	as drawn, extruded, cold drawn 30%, annealed 1h
	375 MPa @Treatment Temp. 500 °C	extruded, cold drawn 30%, annealed 1h
	375 MPa @Treatment Temp. 600 °C	extruded, cold drawn 30%, annealed 1h
	380 MPa @Treatment Temp. 700 °C	extruded, cold drawn 30%, annealed 1h
	450 MPa @Treatment Temp. 400 °C	extruded, cold drawn 30%, annealed 1h
	520 MPa @Treatment Temp. 300 °C	extruded, cold drawn 30%, annealed 1h
	545 MPa @Treatment Temp. 200 °C	extruded, cold drawn 30%, annealed 1h
	550 MPa @Treatment Temp. 100 °C	extruded, cold drawn 30%, annealed 1h
Tensile Strength, Yield	145 MPa
	360 MPa @Strain 0.5 %	as drawn, extruded, cold drawn 30%, annealed 1h
	105 MPa @Strain 0.5 %, Treatment Temp. 700 °C	extruded, cold drawn 30%, annealed 1h
	120 MPa @Strain 0.5 %, Treatment Temp. 600 °C	extruded, cold drawn 30%, annealed 1h
	140 MPa @Strain 0.5 %, Treatment Temp. 500 °C	extruded, cold drawn 30%, annealed 1h
	190 MPa @Strain 0.5 %, Treatment Temp. 400 °C	extruded, cold drawn 30%, annealed 1h
	340 MPa @Strain 0.5 %, Treatment Temp. 300 °C	extruded, cold drawn 30%, annealed 1h
	370 MPa @Strain 0.5 %, Treatment Temp. 100 °C	extruded, cold drawn 30%, annealed 1h
	375 MPa @Strain 0.5 %, Treatment Temp. 200 °C	extruded, cold drawn 30%, annealed 1h
Elongation at Break	50 %	In 50 mm
	20 % @Treatment Temp. 100 °C	extruded, cold drawn 30%, annealed 1h
	21 % @Treatment Temp. 200 °C	extruded, cold drawn 30%, annealed 1h
	27 % @Treatment Temp. 300 °C	extruded, cold drawn 30%, annealed 1h
	47 % @Treatment Temp. 400 °C	extruded, cold drawn 30%, annealed 1h
	53 % @Treatment Temp. 500 °C	extruded, cold drawn 30%, annealed 1h
	53 % @Treatment Temp. 600 °C	extruded, cold drawn 30%, annealed 1h
	53 % @Treatment Temp. 700 °C	extruded, cold drawn 30%, annealed 1h
Tensile Modulus	105 GPa
	15000 ksi
Poissons Ratio	0.35	Calculated
Machinability	40 %
Forgeability	90 %
Shear Modulus	39.0 GPa
Shear Strength	275 MPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000610 ohm-cm	28% IACS

Thermal Properties	Original Value	Comments
CTE, linear	20.8 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.0900 BTU/lb-°F
Thermal Conductivity	123 W/m-K @Temperature 20.0 °C
Melting Point	900 - 905 °C
Solidus	900 °C
Liquidus	905 °C
Annealing Point	800 - 1100 °F

Component Elements Properties	Original Value	Comments
Copper, Cu	59 - 63 %
Iron, Fe	<= 0.070 %
Lead, Pb	<= 0.30 %
Zinc, Zn	40 %

References for this datasheet.

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