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ZC63A Magnesium vs. S33228 Stainless Steel

ZC63A magnesium belongs to the magnesium alloys classification, while S33228 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (9, 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 S33228 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
190
Elastic (Young's, Tensile) Modulus, GPa 48
200
Elongation at Break, % 3.3
34
Fatigue Strength, MPa 94
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
79
Shear Strength, MPa 130
380
Tensile Strength: Ultimate (UTS), MPa 220
570
Tensile Strength: Yield (Proof), MPa 130
210

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 98
1100
Melting Completion (Liquidus), °C 550
1410
Melting Onset (Solidus), °C 470
1360
Specific Heat Capacity, J/kg-K 950
470
Thermal Expansion, µm/m-K 26
16

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 2.1
8.0
Embodied Carbon, kg CO2/kg material 22
6.2
Embodied Energy, MJ/kg 150
89
Embodied Water, L/kg 920
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
20
Strength to Weight: Bending, points 38
19
Thermal Shock Resistance, points 12
13

Alloy Composition


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Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0
36.5 to 42.3
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.0
Nickel (Ni), % 0 to 0.010
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.3
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0