Free-Cutting Brass, UNS C36000, O61 Temper 25 mm rod

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Free-Cutting Brass, UNS C36000, O61 Temper 25 mm rod
Categories:	Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes:	Fair to excellent corrosion resistance. Excellent machinability. Fabricated by machining, roll threading and knurling. Applications: gears, pinions, automatic high-speed screw machine parts. Test specimen: rod - 25mm diameter.
Key Words:	free cutting, FC, CDA 360, CZ124, ISO CuZn36Pb3, CEN CW603N, FED QQ-B-626 (discontinued), ASTM-B121, ASTM-B36, ASTM-B16/B16M, ASTM-B124
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Physical Properties	Metric	English	Comments

Density	8.50 g/cc	0.307 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell F	68	68
Tensile Strength, Ultimate	340 MPa	49300 psi
Tensile Strength, Yield	125 MPa @Strain 0.5 %	18100 psi @Strain 0.5 %
Elongation at Break	53 %	53 %	In 50 mm
Reduction of Area	58 %	58 %
Modulus of Elasticity	97.0 GPa	14100 ksi
Poissons Ratio	0.311	0.311
Machinability	110 %	110 %	Excellent - the standard against which other copper alloys are judged
Shear Modulus	37.0 GPa	5370 ksi
Shear Strength	205 MPa	29700 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000660 ohm-cm @Temperature 20.0 °C	0.00000660 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	20.5 µm/m-°C @Temperature 20.0 - 300 °C	11.4 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	115 W/m-K @Temperature 20.0 °C	798 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	885 - 900 °C	1630 - 1650 °F
Solidus	885 °C	1630 °F
Liquidus	900 °C	1650 °F
Annealing Point	427 - 593 °C	800 - 1100 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	425 - 600 °C	797 - 1110 °F
Hot-Working Temperature	700 - 800 °C	1290 - 1470 °F
Recrystallization Temperature	330 °C	626 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	60 - 63 %	60 - 63 %
Iron, Fe	<= 0.35 %	<= 0.35 %
Lead, Pb	2.5 - 3.7 %	2.5 - 3.7 %
Other, total	<= 0.50 %	<= 0.50 %
Zinc, Zn	35.5 %	35.5 %

References for this datasheet.

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MC36000b7 / 11244

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