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High Leaded naval brass, UNS C48500
Categories: Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes: Fair to excellent corrosion resistance. Combines excellent hot forgeability and machinability. Fabricated by hot forging and pressing, machining.

Applications: marine hardware, screw machine products, valve stems.

Available as flat products, rod, shape.
Key Words: CDA 485
Vendors: Click here to view all available suppliers for this material.

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Physical PropertiesMetricEnglishComments
Density 8.44 g/cc0.305 lb/in³
Grain Size  8.0 µm
@Diameter 19.0 mm,
Treatment Temp. 360 °C		8.0 µm
@Diameter 0.748 in,
Treatment Temp. 680 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 8.0 µm
@Diameter 19.0 mm,
Treatment Temp. 400 °C		8.0 µm
@Diameter 0.748 in,
Treatment Temp. 752 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 12 µm
@Diameter 19.0 mm,
Treatment Temp. 500 °C		12 µm
@Diameter 0.748 in,
Treatment Temp. 932 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 20 µm
@Diameter 19.0 mm,
Treatment Temp. 600 °C		20 µm
@Diameter 0.748 in,
Treatment Temp. 1110 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 30 µm
@Diameter 19.0 mm,
Treatment Temp. 700 °C		30 µm
@Diameter 0.748 in,
Treatment Temp. 1290 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 45 µm
@Diameter 19.0 mm,
Treatment Temp. 800 °C		45 µm
@Diameter 0.748 in,
Treatment Temp. 1470 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 379 - 531 MPa55000 - 77000 psi
 400 MPa
@Diameter 19.0 mm,
Treatment Temp. 800 °C		58000 psi
@Diameter 0.748 in,
Treatment Temp. 1470 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 410 MPa
@Diameter 19.0 mm,
Treatment Temp. 700 °C		59500 psi
@Diameter 0.748 in,
Treatment Temp. 1290 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 415 MPa
@Diameter 19.0 mm,
Treatment Temp. 600 °C		60200 psi
@Diameter 0.748 in,
Treatment Temp. 1110 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 425 MPa
@Diameter 19.0 mm,
Treatment Temp. 500 °C		61600 psi
@Diameter 0.748 in,
Treatment Temp. 932 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 480 MPa
@Diameter 19.0 mm,
Treatment Temp. 400 °C		69600 psi
@Diameter 0.748 in,
Treatment Temp. 752 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 565 MPa
@Diameter 19.0 mm,
Treatment Temp. 300 °C		81900 psi
@Diameter 0.748 in,
Treatment Temp. 572 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 610 MPa
@Diameter 19.0 mm,
Treatment Temp. 200 °C		88500 psi
@Diameter 0.748 in,
Treatment Temp. 392 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
Tensile Strength, Yield 172 - 365 MPa24900 - 52900 psiDepending on temper
Elongation at Break 40 %40 %in 381 mm.
 10 %
@Diameter 19.0 mm,
Treatment Temp. 200 °C		10 %
@Diameter 0.748 in,
Treatment Temp. 392 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 14 %
@Diameter 19.0 mm,
Treatment Temp. 300 °C		14 %
@Diameter 0.748 in,
Treatment Temp. 572 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 18 %
@Diameter 19.0 mm,
Treatment Temp. 400 °C		18 %
@Diameter 0.748 in,
Treatment Temp. 752 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 32 %
@Diameter 19.0 mm,
Treatment Temp. 800 °C		32 %
@Diameter 0.748 in,
Treatment Temp. 1470 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 34 %
@Diameter 19.0 mm,
Treatment Temp. 500 °C		34 %
@Diameter 0.748 in,
Treatment Temp. 932 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 34 %
@Diameter 19.0 mm,
Treatment Temp. 700 °C		34 %
@Diameter 0.748 in,
Treatment Temp. 1290 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
 35 %
@Diameter 19.0 mm,
Treatment Temp. 600 °C		35 %
@Diameter 0.748 in,
Treatment Temp. 1110 °F		high-leaded naval brass rod, cold drawn 30%, annealed 1h, initial grain size of 0.025mm
Modulus of Elasticity 100 GPa14500 ksi
 100 GPa14500 ksi
Poissons Ratio 0.280.28Calculated
 0.280.28calculated
Machinability 70 %70 %UNS C36000 (free-cutting brass) = 100%
 70 %70 %UNS C36000 (free-cutting brass) = 100%
Shear Modulus 39.0 GPa5660 ksi
 39.0 GPa5660 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000663 ohm-cm
@Temperature 20.0 °C		0.00000663 ohm-cm
@Temperature 68.0 °F
 
Thermal PropertiesMetricEnglishComments
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 0.380 J/g-°C0.0908 BTU/lb-°F
Thermal Conductivity 116 W/m-K805 BTU-in/hr-ft²-°F
Melting Point 885 - 900 °C1630 - 1650 °F
Solidus 885 °C1630 °F
Liquidus 900 °C1650 °F
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 425 - 600 °C797 - 1110 °F
Hot-Working Temperature 650 - 760 °C1200 - 1400 °F
Recrystallization Temperature 360 °C680 °FFor 19 mm diameter rod cold drawn 30%
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu 59 - 62 %59 - 62 %
Lead, Pb 1.3 - 2.2 %1.3 - 2.2 %
Tin, Sn 0.50 - 1.0 %0.50 - 1.0 %
Zinc, Zn 37.5 %37.5 %

References for this datasheet.

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MC48500b1 / 11483

Specialty Compounds RTP Company




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