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AISI 205 Stainless Steel vs. ZC63A Magnesium

AISI 205 stainless steel belongs to the iron alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 AISI 205 stainless steel and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
60
Elastic (Young's, Tensile) Modulus, GPa 200
48
Elongation at Break, % 11 to 51
3.3
Fatigue Strength, MPa 410 to 640
94
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
19
Shear Strength, MPa 560 to 850
130
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
220
Tensile Strength: Yield (Proof), MPa 450 to 1100
130

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 880
98
Melting Completion (Liquidus), °C 1380
550
Melting Onset (Solidus), °C 1340
470
Specific Heat Capacity, J/kg-K 480
950
Thermal Expansion, µm/m-K 18
26

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 7.6
2.1
Embodied Carbon, kg CO2/kg material 2.6
22
Embodied Energy, MJ/kg 37
150
Embodied Water, L/kg 150
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
58
Strength to Weight: Axial, points 29 to 52
29
Strength to Weight: Bending, points 25 to 37
38
Thermal Shock Resistance, points 16 to 29
12

Alloy Composition

Carbon (C), % 0.12 to 0.25
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
2.4 to 3.0
Iron (Fe), % 62.6 to 68.1
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 14 to 15.5
0.25 to 0.75
Nickel (Ni), % 1.0 to 1.7
0 to 0.010
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3