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SAE-AISI 5155 Steel vs. Z24311 Zinc

SAE-AISI 5155 steel belongs to the iron alloys classification, while Z24311 zinc belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5155 steel and the bottom bar is Z24311 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 21
63
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
35
Tensile Strength: Ultimate (UTS), MPa 620
140
Tensile Strength: Yield (Proof), MPa 380
120

Thermal Properties

Latent Heat of Fusion, J/g 250
110
Maximum Temperature: Mechanical, °C 420
90
Melting Completion (Liquidus), °C 1450
410
Melting Onset (Solidus), °C 1410
400
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 49
110
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
37

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
11
Density, g/cm3 7.8
6.6
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 49
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
85
Resilience: Unit (Modulus of Resilience), kJ/m3 380
81
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
6.1
Strength to Weight: Bending, points 21
9.3
Thermal Diffusivity, mm2/s 13
44
Thermal Shock Resistance, points 20
4.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.51 to 0.59
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 97.2 to 97.9
0 to 0.010
Lead (Pb), % 0
0.030 to 0.080
Magnesium (Mg), % 0
0 to 0.0015
Manganese (Mn), % 0.7 to 0.9
0 to 0.015
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
99.862 to 100