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Commercially Pure Zinc vs. ACI-ASTM CN7MS Steel

Commercially pure zinc belongs to the zinc alloys classification, while ACI-ASTM CN7MS steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is commercially pure zinc and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 38
39
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 35
77
Tensile Strength: Ultimate (UTS), MPa 97
540
Tensile Strength: Yield (Proof), MPa 79
230

Thermal Properties

Latent Heat of Fusion, J/g 110
340
Maximum Temperature: Mechanical, °C 90
1040
Melting Completion (Liquidus), °C 410
1400
Melting Onset (Solidus), °C 400
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 26
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
28
Density, g/cm3 6.6
7.9
Embodied Carbon, kg CO2/kg material 2.8
5.1
Embodied Energy, MJ/kg 53
71
Embodied Water, L/kg 340
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
170
Resilience: Unit (Modulus of Resilience), kJ/m3 36
140
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 4.1
19
Strength to Weight: Bending, points 7.1
19
Thermal Diffusivity, mm2/s 44
3.2
Thermal Shock Resistance, points 3.0
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 0 to 0.080
1.5 to 2.0
Iron (Fe), % 0 to 0.020
45.4 to 53.5
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
22 to 25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
2.5 to 3.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.827 to 100
0