Jewelry bronze, UNS C22600, OSO50 Temper flat products

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Jewelry bronze, UNS C22600, OSO50 Temper flat products
Categories:	Metal; Nonferrous Metal; Copper Alloy; Bronze
Material Notes:	Good to excellent corrosion resistance. Excellent cold workability, good hot workability for blanking, coining, drawing, piercing and punching, shearing, spinning, squeezing and swaging, stamping, heading and upsetting, roll threading and knurling. Applications: angles, channels, chains, fasteners, costume jewelry, lipstick cases, compacts, base for gold plate. Test specimen: flat products - 1mm thickness.
Key Words:	CA226
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Physical Properties	Original Value	Comments

Density	8.78 g/cc
Grain Size	5.0 µm @Treatment Temp. 265 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	7.0 µm @Treatment Temp. 400 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	25 µm @Treatment Temp. 600 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	108 µm @Treatment Temp. 800 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	120 µm @Treatment Temp. 825 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h

Mechanical Properties	Original Value	Comments
Hardness, Rockwell F	55
Tensile Strength, Ultimate	270 MPa
	260 MPa @Treatment Temp. 800 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	270 MPa @Treatment Temp. 600 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	310 MPa @Treatment Temp. 400 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	400 MPa @Treatment Temp. 320 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	490 MPa @Treatment Temp. 200 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
Tensile Strength, Yield	76.0 MPa
Elongation at Break	46 %	In 50 mm
	6.0 % @Treatment Temp. 200 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	20 % @Treatment Temp. 330 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	42 % @Treatment Temp. 400 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	46 % @Treatment Temp. 800 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	49 % @Treatment Temp. 600 °C	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
Modulus of Elasticity	115 GPa
Poissons Ratio	0.307
Machinability	30 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	44.0 GPa
Shear Strength	200 MPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000430 ohm-cm @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	18.6 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.380 J/g-°C
Thermal Conductivity	173 W/m-K @Temperature 20.0 °C
Melting Point	1005 - 1035 °C
Solidus	1005 °C
Liquidus	1035 °C
Annealing Point	800 - 1400 °F

Processing Properties	Original Value	Comments
Annealing Temperature	425 - 750 °C
Hot-Working Temperature	750 - 900 °C
Recrystallization Temperature	330 °C	Approximately, for 1mm

Component Elements Properties	Original Value	Comments
Copper, Cu	86 - 89 %
Iron, Fe	>= 0.0050 %
Lead, Pb	>= 0.050 %
Zinc, Zn	12.5 %

References for this datasheet.

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Overview of materials for Bronze

MC22600b2 / 11013

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