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Z21721 Zinc vs. SAE-AISI H25 Steel

Z21721 zinc belongs to the zinc alloys classification, while SAE-AISI H25 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Z21721 zinc and the bottom bar is SAE-AISI H25 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 35
79
Tensile Strength: Ultimate (UTS), MPa 150
710 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 110
250
Melting Completion (Liquidus), °C 410
1750
Melting Onset (Solidus), °C 390
1700
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 110
26
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
38
Density, g/cm3 6.6
9.1
Embodied Carbon, kg CO2/kg material 2.8
6.2
Embodied Energy, MJ/kg 53
93
Embodied Water, L/kg 340
83

Common Calculations

Stiffness to Weight: Axial, points 7.3
12
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 6.4
22 to 50
Strength to Weight: Bending, points 9.6
20 to 34
Thermal Diffusivity, mm2/s 44
6.7
Thermal Shock Resistance, points 4.8
22 to 49

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0
Cadmium (Cd), % 0 to 0.070
0
Carbon (C), % 0
0.22 to 0.32
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 0 to 0.0050
0 to 0.25
Iron (Fe), % 0 to 0.010
77.2 to 81.3
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0
0.4 to 0.6
Zinc (Zn), % 98.9 to 100
0