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Muntz metal, UNS C28000, M30 Temper rod
Categories: Metal; Nonferrous Metal; Copper Alloy
Material Notes: Fair to excellent corrosion resistance. Excellent hot formability and forgeability for blanking, forming and bending, hot forging and pressing, hot heading and upsetting, shearing.

Applications: architectural, large nuts and bolts, brazing rod, condenser plates, heat exchanger and condenser tubing, hot forgings.

Test specimen: rod - 25mm diameter.
Key Words: CDA 280, CZ109, ISO CuZn40, CEN CW509L, yellow metal, 60/40 brass
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 8.39 g/cc0.303 lb/in³
Grain Size  10 µm
@Treatment Temp. 425 °C		10 µm
@Treatment Temp. 797 °F		extruded, cold drawn 30%, annealed 1h
 13 µm
@Treatment Temp. 500 °C		13 µm
@Treatment Temp. 932 °F		extruded, cold drawn 30%, annealed 1h
 27 µm
@Treatment Temp. 600 °C		27 µm
@Treatment Temp. 1110 °F		extruded, cold drawn 30%, annealed 1h
 43 µm
@Treatment Temp. 690 °C		43 µm
@Treatment Temp. 1270 °F		extruded, cold drawn 30%, annealed 1h
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell F 7878
Tensile Strength, Ultimate 360 MPa52200 psi
 550 MPa79800 psias drawn, extruded, cold drawn 30%, annealed 1h
 375 MPa
@Treatment Temp. 500 °C		54400 psi
@Treatment Temp. 932 °F		extruded, cold drawn 30%, annealed 1h
 375 MPa
@Treatment Temp. 600 °C		54400 psi
@Treatment Temp. 1110 °F		extruded, cold drawn 30%, annealed 1h
 380 MPa
@Treatment Temp. 700 °C		55100 psi
@Treatment Temp. 1290 °F		extruded, cold drawn 30%, annealed 1h
 450 MPa
@Treatment Temp. 400 °C		65300 psi
@Treatment Temp. 752 °F		extruded, cold drawn 30%, annealed 1h
 520 MPa
@Treatment Temp. 300 °C		75400 psi
@Treatment Temp. 572 °F		extruded, cold drawn 30%, annealed 1h
 545 MPa
@Treatment Temp. 200 °C		79000 psi
@Treatment Temp. 392 °F		extruded, cold drawn 30%, annealed 1h
 550 MPa
@Treatment Temp. 100 °C		79800 psi
@Treatment Temp. 212 °F		extruded, cold drawn 30%, annealed 1h
Tensile Strength, Yield 140 MPa20300 psi
 360 MPa
@Strain 0.5 %		52200 psi
@Strain 0.5 %		as drawn, extruded, cold drawn 30%, annealed 1h
 105 MPa
@Strain 0.5 %,
Treatment Temp. 700 °C		15200 psi
@Strain 0.5 %,
Treatment Temp. 1290 °F		extruded, cold drawn 30%, annealed 1h
 120 MPa
@Strain 0.5 %,
Treatment Temp. 600 °C		17400 psi
@Strain 0.5 %,
Treatment Temp. 1110 °F		extruded, cold drawn 30%, annealed 1h
 140 MPa
@Strain 0.5 %,
Treatment Temp. 500 °C		20300 psi
@Strain 0.5 %,
Treatment Temp. 932 °F		extruded, cold drawn 30%, annealed 1h
 190 MPa
@Strain 0.5 %,
Treatment Temp. 400 °C		27600 psi
@Strain 0.5 %,
Treatment Temp. 752 °F		extruded, cold drawn 30%, annealed 1h
 340 MPa
@Strain 0.5 %,
Treatment Temp. 300 °C		49300 psi
@Strain 0.5 %,
Treatment Temp. 572 °F		extruded, cold drawn 30%, annealed 1h
 370 MPa
@Strain 0.5 %,
Treatment Temp. 100 °C		53700 psi
@Strain 0.5 %,
Treatment Temp. 212 °F		extruded, cold drawn 30%, annealed 1h
 375 MPa
@Strain 0.5 %,
Treatment Temp. 200 °C		54400 psi
@Strain 0.5 %,
Treatment Temp. 392 °F		extruded, cold drawn 30%, annealed 1h
Elongation at Break 52 %52 %In 50 mm
 20 %
@Treatment Temp. 100 °C		20 %
@Treatment Temp. 212 °F		extruded, cold drawn 30%, annealed 1h
 21 %
@Treatment Temp. 200 °C		21 %
@Treatment Temp. 392 °F		extruded, cold drawn 30%, annealed 1h
 27 %
@Treatment Temp. 300 °C		27 %
@Treatment Temp. 572 °F		extruded, cold drawn 30%, annealed 1h
 47 %
@Treatment Temp. 400 °C		47 %
@Treatment Temp. 752 °F		extruded, cold drawn 30%, annealed 1h
 53 %
@Treatment Temp. 500 °C		53 %
@Treatment Temp. 932 °F		extruded, cold drawn 30%, annealed 1h
 53 %
@Treatment Temp. 600 °C		53 %
@Treatment Temp. 1110 °F		extruded, cold drawn 30%, annealed 1h
 53 %
@Treatment Temp. 700 °C		53 %
@Treatment Temp. 1290 °F		extruded, cold drawn 30%, annealed 1h
Modulus of Elasticity 105 GPa15200 ksi
Poissons Ratio 0.3460.346
Machinability 40 %40 %UNS C36000 (free-cutting brass) = 100%
Forgeability 90 %90 %
Shear Modulus 39.0 GPa5660 ksi
Shear Strength 270 MPa39200 psi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000616 ohm-cm0.00000616 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear 20.8 µm/m-°C
@Temperature 20.0 - 300 °C		11.6 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.375 J/g-°C0.0896 BTU/lb-°F
Thermal Conductivity 123 W/m-K
@Temperature 20.0 °C		854 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
Melting Point 900 - 905 °C1650 - 1660 °F
Solidus 900 °C1650 °F
Liquidus 905 °C1660 °F
Annealing Point 427 - 593 °C800 - 1100 °F
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 425 - 600 °C797 - 1110 °F
Hot-Working Temperature 625 - 800 °C1160 - 1470 °F
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu 59 - 63 %59 - 63 %
Iron, Fe <= 0.070 %<= 0.070 %
Lead, Pb <= 0.30 %<= 0.30 %
Zinc, Zn 40 %40 %

References for this datasheet.

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