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ZC63A Magnesium vs. S32760 Stainless Steel

ZC63A magnesium belongs to the magnesium alloys classification, while S32760 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ZC63A magnesium and the bottom bar is S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
250
Elastic (Young's, Tensile) Modulus, GPa 48
200
Elongation at Break, % 3.3
28
Fatigue Strength, MPa 94
450
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 19
80
Shear Strength, MPa 130
550
Tensile Strength: Ultimate (UTS), MPa 220
850
Tensile Strength: Yield (Proof), MPa 130
620

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 98
1100
Melting Completion (Liquidus), °C 550
1460
Melting Onset (Solidus), °C 470
1410
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 2.1
7.9
Embodied Carbon, kg CO2/kg material 22
4.1
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 920
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
220
Resilience: Unit (Modulus of Resilience), kJ/m3 190
930
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
30
Strength to Weight: Bending, points 38
25
Thermal Diffusivity, mm2/s 58
4.0
Thermal Shock Resistance, points 12
23

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 2.4 to 3.0
0.5 to 1.0
Iron (Fe), % 0
57.6 to 65.8
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.010
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tungsten (W), % 0
0.5 to 1.0
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0