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CR021A Copper vs. Z41121 Zinc

CR021A copper belongs to the copper alloys classification, while Z41121 zinc belongs to the zinc alloys.

For each property being compared, the top bar is CR021A copper and the bottom bar is Z41121 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
87
Elongation at Break, % 15
50
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 43
35
Tensile Strength: Ultimate (UTS), MPa 230
140
Tensile Strength: Yield (Proof), MPa 140
120

Thermal Properties

Latent Heat of Fusion, J/g 210
110
Maximum Temperature: Mechanical, °C 200
90
Melting Completion (Liquidus), °C 1090
410
Melting Onset (Solidus), °C 1040
400
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 380
110
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
27
Electrical Conductivity: Equal Weight (Specific), % IACS 99
37

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 9.0
6.6
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
54
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
68
Resilience: Unit (Modulus of Resilience), kJ/m3 83
79
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 7.1
6.1
Strength to Weight: Bending, points 9.3
9.3
Thermal Diffusivity, mm2/s 110
44
Thermal Shock Resistance, points 8.1
4.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Bismuth (Bi), % 0 to 0.00050
0
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 99.95 to 99.998
0.080 to 0.49
Iron (Fe), % 0
0 to 0.010
Lead (Pb), % 0 to 0.0050
0 to 0.010
Phosphorus (P), % 0.0020 to 0.0070
0
Silver (Ag), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0.050 to 0.18
Zinc (Zn), % 0
99.292 to 99.87