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	Metric	English	Comments

Density	8.78 g/cc	0.317 lb/in³
Grain Size	5.0 µm @Treatment Temp. 265 °C	5.0 µm @Treatment Temp. 509 °F	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	7.0 µm @Treatment Temp. 752 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	25 µm @Treatment Temp. 600 °C	25 µm @Treatment Temp. 1110 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	108 µm @Treatment Temp. 800 °C	108 µm @Treatment Temp. 1470 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	120 µm @Treatment Temp. 825 °C	120 µm @Treatment Temp. 1520 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell F	55	55
Tensile Strength, Ultimate	270 MPa	39200 psi
	260 MPa @Treatment Temp. 800 °C	37700 psi @Treatment Temp. 1470 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	270 MPa @Treatment Temp. 600 °C	39200 psi @Treatment Temp. 1110 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	310 MPa @Treatment Temp. 400 °C	45000 psi @Treatment Temp. 752 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	400 MPa @Treatment Temp. 320 °C	58000 psi @Treatment Temp. 608 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	490 MPa @Treatment Temp. 200 °C	71100 psi @Treatment Temp. 392 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
Tensile Strength, Yield	76.0 MPa	11000 psi
Elongation at Break	46 %	46 %	In 50 mm
	6.0 % @Treatment Temp. 200 °C	6.0 % @Treatment Temp. 392 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	20 % @Treatment Temp. 330 °C	20 % @Treatment Temp. 626 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	42 % @Treatment Temp. 400 °C	42 % @Treatment Temp. 752 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	46 % @Treatment Temp. 800 °C	46 % @Treatment Temp. 1470 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
	49 % @Treatment Temp. 600 °C	49 % @Treatment Temp. 1110 °F	strip with initial grain size of 0.035 mm, cold rolled 50% to 1 mm thick, annealed 1h
Modulus of Elasticity	115 GPa	16700 ksi
Poissons Ratio	0.307	0.307
Machinability	30 %	30 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	44.0 GPa	6380 ksi
Shear Strength	200 MPa	29000 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000430 ohm-cm @Temperature 20.0 °C	0.00000430 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	18.6 µm/m-°C @Temperature 20.0 - 300 °C	10.3 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	173 W/m-K @Temperature 20.0 °C	1200 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	1005 - 1035 °C	1841 - 1895 °F
Solidus	1005 °C	1841 °F
Liquidus	1035 °C	1895 °F
Annealing Point	427 - 760 °C	800 - 1400 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	425 - 750 °C	797 - 1380 °F
Hot-Working Temperature	750 - 900 °C	1380 - 1650 °F
Recrystallization Temperature	330 °C	626 °F	Approximately, for 1mm

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

References for this datasheet.

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Overview of materials for Bronze

MC22600b2 / 11013

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