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C19400 Copper vs. CR021A Copper

Both C19400 copper and CR021A copper are copper alloys. They have a very high 97% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C19400 copper and the bottom bar is CR021A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 2.3 to 37
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
43
Tensile Strength: Ultimate (UTS), MPa 310 to 630
230
Tensile Strength: Yield (Proof), MPa 98 to 520
140

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1090
1090
Melting Onset (Solidus), °C 1080
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 260
380
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58 to 68
98
Electrical Conductivity: Equal Weight (Specific), % IACS 58 to 69
99

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.9
9.0
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 40
41
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 220
31
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 1140
83
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.7 to 20
7.1
Strength to Weight: Bending, points 11 to 18
9.3
Thermal Diffusivity, mm2/s 75
110
Thermal Shock Resistance, points 11 to 22
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 96.8 to 97.8
99.95 to 99.998
Iron (Fe), % 2.1 to 2.6
0
Lead (Pb), % 0 to 0.030
0 to 0.0050
Phosphorus (P), % 0.015 to 0.15
0.0020 to 0.0070
Silver (Ag), % 0
0 to 0.015
Zinc (Zn), % 0.050 to 0.2
0
Residuals, % 0 to 0.2
0