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SAE-AISI M47 Steel vs. Z21721 Zinc

SAE-AISI M47 steel belongs to the iron alloys classification, while Z21721 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 M47 steel and the bottom bar is Z21721 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 77
35
Tensile Strength: Ultimate (UTS), MPa 810 to 2310
150

Thermal Properties

Latent Heat of Fusion, J/g 270
110
Melting Completion (Liquidus), °C 1540
410
Melting Onset (Solidus), °C 1500
390
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 23
110
Thermal Expansion, µm/m-K 11
26

Otherwise Unclassified Properties

Base Metal Price, % relative 26
11
Density, g/cm3 8.1
6.6
Embodied Carbon, kg CO2/kg material 7.4
2.8
Embodied Energy, MJ/kg 100
53
Embodied Water, L/kg 120
340

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 28 to 79
6.4
Strength to Weight: Bending, points 24 to 48
9.6
Thermal Diffusivity, mm2/s 6.3
44
Thermal Shock Resistance, points 27 to 77
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 1.1 to 1.2
0
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
0 to 0.0050
Iron (Fe), % 78.7 to 85
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 9.3 to 10
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 1.3 to 1.8
0
Vanadium (V), % 1.2 to 1.4
0
Zinc (Zn), % 0
98.9 to 100