Uninhibited Naval brass, UNS C46400

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Uninhibited Naval brass, UNS C46400
Categories:	Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes:	Fair to excellent corrosion resistance. Excellent hot workability and hot forgeability. Fabricated by blanking, drawing, bending, heading and upsetting, hot forging, pressing. Applications: aircraft turnbuckle barrels, balls, bolts, marine hardware, nuts, propeller shafts, rivets, valve stems, condenser plates, welding rod. Available as flat products, rod, shape, and tube.
Key Words:	CDA 464, CZ133, CZ113, ISO CuZn39Sn1, CEN CW719R, UNS C46700
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Physical Properties	Metric	English	Comments

Density	8.41 g/cc	0.304 lb/in³
Grain Size	19 µm @Treatment Temp. 340 °C	19 µm @Treatment Temp. 644 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	22 µm @Treatment Temp. 400 °C	22 µm @Treatment Temp. 752 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	29 µm @Treatment Temp. 500 °C	29 µm @Treatment Temp. 932 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	44 µm @Treatment Temp. 600 °C	44 µm @Treatment Temp. 1110 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	48 µm @Treatment Temp. 700 °C	48 µm @Treatment Temp. 1290 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	50 µm @Treatment Temp. 800 °C	50 µm @Treatment Temp. 1470 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	379 - 607 MPa	55000 - 88000 psi
	400 MPa @Treatment Temp. 700 °C	58000 psi @Treatment Temp. 1290 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	400 MPa @Treatment Temp. 800 °C	58000 psi @Treatment Temp. 1470 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	405 MPa @Treatment Temp. 600 °C	58700 psi @Treatment Temp. 1110 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	420 MPa @Treatment Temp. 500 °C	60900 psi @Treatment Temp. 932 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	470 MPa @Treatment Temp. 400 °C	68200 psi @Treatment Temp. 752 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	535 MPa @Treatment Temp. 300 °C	77600 psi @Treatment Temp. 572 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	580 MPa @Treatment Temp. 200 °C	84100 psi @Treatment Temp. 392 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
Tensile Strength, Yield	172 - 455 MPa	24900 - 66000 psi	Depending on temper
Elongation at Break	50 %	50 %	in 431.8 mm.
	22 % @Treatment Temp. 200 °C	22 % @Treatment Temp. 392 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	26 % @Treatment Temp. 300 °C	26 % @Treatment Temp. 572 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	40 % @Treatment Temp. 400 °C	40 % @Treatment Temp. 752 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	45 % @Treatment Temp. 700 °C	45 % @Treatment Temp. 1290 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	45 % @Treatment Temp. 800 °C	45 % @Treatment Temp. 1470 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	46 % @Treatment Temp. 500 °C	46 % @Treatment Temp. 932 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
	47 % @Treatment Temp. 600 °C	47 % @Treatment Temp. 1110 °F	cold drawn 30% and annealed 1h, initial grain size of 0.025mm
Modulus of Elasticity	100 GPa	14500 ksi
Poissons Ratio	0.28	0.28	Calculated
	0.28	0.28	calculated
Machinability	30 %	30 %	UNS C36000 (free-cutting brass) = 100%
Forgeability	90 %	90 %
Shear Modulus	39.0 GPa	5660 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000610 ohm-cm	0.00000610 ohm-cm	28% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	21.2 µm/m-°C @Temperature 20.0 - 300 °C	11.8 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.377 J/g-°C	0.0900 BTU/lb-°F
Thermal Conductivity	116 W/m-K @Temperature 20.0 °C	805 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

Component Elements Properties	Metric	English	Comments
Copper, Cu	59 - 62 %	59 - 62 %
Iron, Fe	<= 0.10 %	<= 0.10 %
Lead, Pb	<= 0.20 %	<= 0.20 %
Tin, Sn	0.50 - 1.0 %	0.50 - 1.0 %
Zinc, Zn	39.25 %	39.25 %

References for this datasheet.

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MC46400d2 / 11467

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