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Elmet Technologies

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High Strength Modified Copper, UNS C19400, H02 Temper flat products
Categories: Metal; Nonferrous Metal; Copper Alloy
Material Notes: Good to excellent corrosion resistance. Excellent hot and cold workability.

Applications: circuit breaker components, contact springs, electrical clamps, electrical springs, electrical terminals, flexible hose, fuse clips, gaskets, gift hollow ware, plug contacts, rivets, and welded condenser tubes.

Test specimen: flat product - 1mm thickness.
Key Words: CDA 194, HSM Copper
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 PropertiesOriginal ValueComments
Density 8.78 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell B 68
Hardness, Rockwell 30T 66
Tensile Strength, Ultimate 400 MPa
 >= 203 MPa
@Temperature 315 °C		annealed strip
 >= 219 MPa
@Temperature 290 °C		annealed strip
 >= 235 MPa
@Temperature 260 °C		annealed strip
 >= 253 MPa
@Temperature 230 °C		annealed strip
 >= 266 MPa
@Temperature 205 °C		annealed strip
 >= 276 MPa
@Temperature 175 °C		annealed strip
 >= 289 MPa
@Temperature 150 °C		annealed strip
 >= 300 MPa
@Temperature 120 °C		annealed strip
 >= 313 MPa
@Temperature 95.0 °C		annealed strip
 >= 324 MPa
@Temperature 65.0 °C		annealed strip
 >= 341 MPa
@Temperature 23.0 °C		annealed strip
 570 MPa
@Temperature -196 °C
Tensile Strength, Yield 425 MPa
 315 MPa
@Strain 0.5 %
 >= 116 MPa
@Strain 0.2 %,
Temperature 315 °C		annealed strip
 >= 123 MPa
@Strain 0.2 %,
Temperature 290 °C		annealed strip
 >= 127 MPa
@Strain 0.2 %,
Temperature 260 °C		annealed strip
 >= 131 MPa
@Strain 0.2 %,
Temperature 205 °C		annealed strip
 >= 131 MPa
@Strain 0.2 %,
Temperature 230 °C		annealed strip
 >= 135 MPa
@Strain 0.2 %,
Temperature 175 °C		annealed strip
 >= 139 MPa
@Strain 0.2 %,
Temperature 150 °C		annealed strip
 >= 144 MPa
@Strain 0.2 %,
Temperature 65.0 °C		annealed strip
 >= 144 MPa
@Strain 0.2 %,
Temperature 95.0 °C		annealed strip
 >= 144 MPa
@Strain 0.2 %,
Temperature 120 °C		annealed strip
 >= 150 MPa
@Strain 0.2 %,
Temperature 23.0 °C		annealed strip
Elongation at Break 18 %In 50 mm
 30 %
@Temperature -196 °C
Creep Strength >= 74.0 MPa
@Temperature 315 °C		annealed strip
 >= 84.0 MPa
@Temperature 290 °C		annealed strip
 >= 96.0 MPa
@Temperature 260 °C		annealed strip
 >= 110 MPa
@Temperature 230 °C		annealed strip
 >= 124 MPa
@Temperature 205 °C		annealed strip
 >= 143 MPa
@Temperature 175 °C		annealed strip
 >= 171 MPa
@Temperature 150 °C		annealed strip
 >= 190 MPa
@Temperature 120 °C		annealed strip
Rupture Strength >= 47.0 MPa
@Temperature 315 °C		annealed strip
 >= 65.0 MPa
@Temperature 290 °C		annealed strip
 >= 82.0 MPa
@Temperature 260 °C		annealed strip
 >= 105 MPa
@Temperature 230 °C		annealed strip
 >= 125 MPa
@Temperature 205 °C		annealed strip
 >= 148 MPa
@Temperature 175 °C		annealed strip
 >= 171 MPa
@Temperature 150 °C		annealed strip
Modulus of Elasticity 121 GPa
Poissons Ratio 0.33
Machinability 20 %UNS C36000 (free-cutting brass) = 100%
Forgeability 65 %
Shear Modulus 45.5 GPa
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.00000266 ohm-cm
@Temperature 20.0 °C
 
Thermal PropertiesOriginal ValueComments
CTE, linear 16.3 µm/m-°C
@Temperature 20.0 - 300 °C
Specific Heat Capacity 0.385 J/g-°C
Thermal Conductivity 260 W/m-K
@Temperature 20.0 °C
Melting Point 1080 - 1090 °C
Solidus 1080 °C
Liquidus 1090 °C
Annealing Point 700 - 1200 °F
 
Component Elements PropertiesOriginal ValueComments
Copper, Cu 97.5 %
Iron, Fe 2.1 - 2.6 %
Lead, Pb <= 0.030 %
Other, total <= 0.15 %
Phosphorus, P 0.015 - 0.15 %
Tin, Sn <= 0.030 %
Zinc, Zn 0.050 - 0.20 %

References for this datasheet.

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MC19400b5 / 10946




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