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SAE-AISI M44 Steel vs. Z21721 Zinc

SAE-AISI M44 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 M44 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 78
35
Tensile Strength: Ultimate (UTS), MPa 870 to 2290
150

Thermal Properties

Latent Heat of Fusion, J/g 270
110
Melting Completion (Liquidus), °C 1590
410
Melting Onset (Solidus), °C 1540
390
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 14
110
Thermal Expansion, µm/m-K 12
26

Otherwise Unclassified Properties

Base Metal Price, % relative 43
11
Density, g/cm3 8.4
6.6
Embodied Carbon, kg CO2/kg material 9.9
2.8
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 170
340

Common Calculations

Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 28 to 75
6.4
Strength to Weight: Bending, points 24 to 46
9.6
Thermal Diffusivity, mm2/s 3.7
44
Thermal Shock Resistance, points 27 to 70
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), % 4.0 to 4.8
0
Cobalt (Co), % 11 to 12.3
0
Copper (Cu), % 0 to 0.25
0 to 0.0050
Iron (Fe), % 65.3 to 70.6
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.3 to 0.55
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 5.0 to 5.8
0
Vanadium (V), % 1.9 to 2.2
0
Zinc (Zn), % 0
98.9 to 100