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Copper, UNS C27000 (Yellow brass), H00 (6%) Temper rod
Categories: Metal; Nonferrous Metal; Copper Alloy; Brass

Material Notes: Fair to excellent corrosion resistance. Excellent cold workability.

Applications: radiator cores and tanks, flashlight shells, lamp fixtures, fasteners, locks, hinges, plumbing accessories, pins, rivets.

Test specimen: rod - 25mm diameter.

Key Words: ASTM B36, ASTM B587, SAE J461, SAE J463, MIL-W-6712, CDA 268, ISO CuZn33, CEN CW506L, 67/33 brass, ISO CuZn35, 65/35 brass
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Physical PropertiesMetricEnglishComments
Density 8.47 g/cc0.306 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell 30T 55
@Diameter 25.0 mm
55
@Diameter 0.984 in
Rod
Tensile Strength, Ultimate 380 MPa
@Diameter 25.0 mm
55100 psi
@Diameter 0.984 in
Rod
Tensile Strength, Yield 275 MPa
@Diameter 25.0 mm
39900 psi
@Diameter 0.984 in
Rod
Elongation at Break 48 %48 %In 50 mm, 75% reduction in area
Modulus of Elasticity 105 GPa15200 ksi
Machinability 30 %30 %UNS C36000 (free-cutting brass) = 100%
Shear Modulus 35.0 GPa5080 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000640 ohm-cm
@Temperature 20.0 °C
0.00000640 ohm-cm
@Temperature 68.0 °F
annealed
 
Thermal PropertiesMetricEnglishComments
CTE, linear 20.3 µm/m-°C
@Temperature 20.0 - 300 °C
11.3 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-K
@Temperature 20.0 °C
805 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
Melting Point 905 - 930 °C1660 - 1710 °F
Solidus 905 °C1660 °F
Liquidus 930 °C1710 °F
Annealing Point 427 - 704 °C800 - 1300 °F
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 425 - 700 °C797 - 1290 °F
Hot-Working Temperature 700 - 820 °C1290 - 1510 °F
Recrystallization Temperature 290 °C554 °FFor strip cold rolled 50% to 1 mm thickness, 0.035 mm initial grain size
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu 63 - 68.5 %63 - 68.5 %
Iron, Fe <= 0.070 %<= 0.070 %
Lead, Pb <= 0.10 %<= 0.10 %
Zinc, Zn 31.3 - 37 %31.3 - 37 %

References for this datasheet.

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