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SAE-AISI H21 Steel vs. Z20301 Zinc

SAE-AISI H21 steel belongs to the iron alloys classification, while Z20301 zinc belongs to the zinc 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 SAE-AISI H21 steel and the bottom bar is Z20301 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 76
35
Tensile Strength: Ultimate (UTS), MPa 720 to 1790
160

Thermal Properties

Latent Heat of Fusion, J/g 250
110
Melting Completion (Liquidus), °C 1630
410
Melting Onset (Solidus), °C 1580
400
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 27
110
Thermal Expansion, µm/m-K 11
26

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 8.5
6.6
Embodied Carbon, kg CO2/kg material 4.5
2.8
Embodied Energy, MJ/kg 68
53
Embodied Water, L/kg 72
340

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 23 to 58
6.7
Strength to Weight: Bending, points 21 to 38
9.9
Thermal Diffusivity, mm2/s 7.1
44
Thermal Shock Resistance, points 24 to 59
5.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.010
Carbon (C), % 0.28 to 0.36
0
Chromium (Cr), % 3.0 to 3.8
0
Copper (Cu), % 0 to 0.25
0 to 0.0050
Iron (Fe), % 87.6 to 93.8
0 to 0.010
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0.15 to 0.4
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 8.5 to 10
0
Vanadium (V), % 0.3 to 0.6
0
Zinc (Zn), % 0
99.853 to 100