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WE54A Magnesium vs. AISI 310 Stainless Steel

WE54A magnesium belongs to the magnesium alloys classification, while AISI 310 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 WE54A magnesium and the bottom bar is AISI 310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
180 to 220
Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 4.3 to 5.6
34 to 45
Fatigue Strength, MPa 98 to 130
240 to 280
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 17
78
Shear Strength, MPa 150 to 170
420 to 470
Tensile Strength: Ultimate (UTS), MPa 270 to 300
600 to 710
Tensile Strength: Yield (Proof), MPa 180
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 170
1040
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 570
1400
Specific Heat Capacity, J/kg-K 960
480
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 25
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 47
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
25
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 29
4.3
Embodied Energy, MJ/kg 260
61
Embodied Water, L/kg 900
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 14
200 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 380
170 to 310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
25
Strength to Weight: Axial, points 39 to 43
21 to 25
Strength to Weight: Bending, points 49 to 51
20 to 22
Thermal Diffusivity, mm2/s 28
3.9
Thermal Shock Resistance, points 18 to 19
14 to 17

Alloy Composition

Carbon (C), % 0
0 to 0.25
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
48.2 to 57
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.7 to 93.4
0
Manganese (Mn), % 0 to 0.030
0 to 2.0
Nickel (Ni), % 0 to 0.0050
19 to 22
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.010
0 to 1.5
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0