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EN-MC95310 Magnesium vs. EN 1.4303 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while EN 1.4303 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 EN-MC95310 magnesium and the bottom bar is EN 1.4303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 2.2
13 to 49
Fatigue Strength, MPa 110
220 to 320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 160
420 to 540
Tensile Strength: Ultimate (UTS), MPa 280
590 to 900
Tensile Strength: Yield (Proof), MPa 190
230 to 560

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 650
1420
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 960
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 25
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 50
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 34
17
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 29
3.2
Embodied Energy, MJ/kg 260
46
Embodied Water, L/kg 900
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
110 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 420
140 to 800
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
25
Strength to Weight: Axial, points 40
21 to 32
Strength to Weight: Bending, points 49
20 to 26
Thermal Diffusivity, mm2/s 28
4.0
Thermal Shock Resistance, points 18
13 to 20

Alloy Composition


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Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
64.8 to 72
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Nickel (Ni), % 0 to 0.0050
11 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0
0 to 0.015
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 0.010
0