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AISI 205 Stainless Steel vs. M1A Magnesium

AISI 205 stainless steel belongs to the iron alloys classification, while M1A magnesium belongs to the magnesium alloys. There are 26 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 M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
45
Elongation at Break, % 11 to 51
5.5
Fatigue Strength, MPa 410 to 640
88
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
18
Shear Strength, MPa 560 to 850
120
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
230
Tensile Strength: Yield (Proof), MPa 450 to 1100
130

Thermal Properties

Latent Heat of Fusion, J/g 280
350
Maximum Temperature: Mechanical, °C 880
95
Melting Completion (Liquidus), °C 1380
610
Melting Onset (Solidus), °C 1340
580
Specific Heat Capacity, J/kg-K 480
990
Thermal Expansion, µm/m-K 18
26

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 7.6
1.7
Embodied Carbon, kg CO2/kg material 2.6
24
Embodied Energy, MJ/kg 37
160
Embodied Water, L/kg 150
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
11
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 26
71
Strength to Weight: Axial, points 29 to 52
38
Strength to Weight: Bending, points 25 to 37
49
Thermal Shock Resistance, points 16 to 29
13

Alloy Composition

Calcium (Ca), % 0
0 to 0.3
Carbon (C), % 0.12 to 0.25
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 62.6 to 68.1
0
Magnesium (Mg), % 0
97.2 to 98.8
Manganese (Mn), % 14 to 15.5
1.2 to 2.0
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 0.1
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.3