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EN-MC65220 Magnesium vs. AISI 334 Stainless Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while AISI 334 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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-MC65220 magnesium and the bottom bar is AISI 334 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
180
Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 2.2
34
Fatigue Strength, MPa 110
150
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 150
360
Tensile Strength: Ultimate (UTS), MPa 270
540
Tensile Strength: Yield (Proof), MPa 200
190

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Maximum Temperature: Mechanical, °C 160
1000
Melting Completion (Liquidus), °C 610
1410
Melting Onset (Solidus), °C 550
1370
Specific Heat Capacity, J/kg-K 980
480
Thermal Expansion, µm/m-K 26
16

Otherwise Unclassified Properties

Base Metal Price, % relative 80
22
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 27
4.1
Embodied Energy, MJ/kg 210
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
140
Resilience: Unit (Modulus of Resilience), kJ/m3 450
96
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
25
Strength to Weight: Axial, points 40
19
Strength to Weight: Bending, points 49
19
Thermal Shock Resistance, points 17
12

Alloy Composition


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Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 0.050 to 0.1
0
Iron (Fe), % 0 to 0.010
55.7 to 62.7
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Nickel (Ni), % 0 to 0.0050
19 to 21
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
0 to 1.0
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0