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Z41121 Zinc vs. CR025A Copper

Z41121 zinc belongs to the zinc alloys classification, while CR025A copper belongs to the copper alloys.

For each property being compared, the top bar is Z41121 zinc and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 110
210
Maximum Temperature: Mechanical, °C 90
200
Melting Completion (Liquidus), °C 410
1090
Melting Onset (Solidus), °C 400
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
370
Thermal Expansion, µm/m-K 26
17

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Bismuth (Bi), % 0
0 to 0.00050
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0.080 to 0.49
99.9 to 99.96
Iron (Fe), % 0 to 0.010
0
Lead (Pb), % 0 to 0.010
0 to 0.0050
Phosphorus (P), % 0
0.040 to 0.060
Silver (Ag), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0.050 to 0.18
0
Zinc (Zn), % 99.292 to 99.87
0