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EN 1.4612 Stainless Steel vs. QE22A Magnesium

EN 1.4612 stainless steel belongs to the iron alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (14, 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 1.4612 stainless steel and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 11
2.4
Fatigue Strength, MPa 860 to 950
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
17
Shear Strength, MPa 1010 to 1110
150
Tensile Strength: Ultimate (UTS), MPa 1690 to 1850
250
Tensile Strength: Yield (Proof), MPa 1570 to 1730
190

Thermal Properties

Latent Heat of Fusion, J/g 280
340
Maximum Temperature: Mechanical, °C 790
250
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1400
570
Specific Heat Capacity, J/kg-K 480
970
Thermal Expansion, µm/m-K 11
27

Otherwise Unclassified Properties

Density, g/cm3 7.9
2.0
Embodied Carbon, kg CO2/kg material 3.6
27
Embodied Energy, MJ/kg 50
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 210
5.5
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
60
Strength to Weight: Axial, points 60 to 65
36
Strength to Weight: Bending, points 40 to 43
46
Thermal Shock Resistance, points 58 to 63
15

Alloy Composition

Aluminum (Al), % 1.4 to 1.8
0
Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 71.5 to 75.5
0
Magnesium (Mg), % 0
93.1 to 95.8
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 1.8 to 2.3
0
Nickel (Ni), % 10.2 to 11.3
0 to 0.010
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0.2 to 0.5
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3