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ACI-ASTM CG8M Steel vs. Commercially Pure Zinc

ACI-ASTM CG8M steel belongs to the iron alloys classification, while commercially pure zinc belongs to the zinc alloys. There are 28 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 ACI-ASTM CG8M steel and the bottom bar is commercially pure zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 45
38
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 79
35
Tensile Strength: Ultimate (UTS), MPa 550
97
Tensile Strength: Yield (Proof), MPa 300
79

Thermal Properties

Latent Heat of Fusion, J/g 300
110
Maximum Temperature: Mechanical, °C 1020
90
Melting Completion (Liquidus), °C 1450
410
Melting Onset (Solidus), °C 1400
400
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 16
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
37

Otherwise Unclassified Properties

Base Metal Price, % relative 20
11
Density, g/cm3 7.9
6.6
Embodied Carbon, kg CO2/kg material 4.1
2.8
Embodied Energy, MJ/kg 56
53
Embodied Water, L/kg 160
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
34
Resilience: Unit (Modulus of Resilience), kJ/m3 220
36
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 19
4.1
Strength to Weight: Bending, points 19
7.1
Thermal Diffusivity, mm2/s 4.3
44
Thermal Shock Resistance, points 12
3.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.010
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0
0 to 0.080
Iron (Fe), % 58.8 to 70
0 to 0.020
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 9.0 to 13
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
99.827 to 100