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EN 1.7240 Steel vs. Z21721 Zinc

EN 1.7240 steel belongs to the iron alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7240 steel and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
35
Tensile Strength: Ultimate (UTS), MPa 670 to 1990
150

Thermal Properties

Latent Heat of Fusion, J/g 250
110
Maximum Temperature: Mechanical, °C 420
90
Melting Completion (Liquidus), °C 1460
410
Melting Onset (Solidus), °C 1410
390
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 44
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
37

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
11
Density, g/cm3 7.8
6.6
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
53
Embodied Water, L/kg 50
340

Common Calculations

Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 24 to 71
6.4
Strength to Weight: Bending, points 22 to 45
9.6
Thermal Diffusivity, mm2/s 12
44
Thermal Shock Resistance, points 20 to 59
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.7 to 1.0
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 96.7 to 97.9
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0.7 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
98.9 to 100