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EN-MC35110 Magnesium vs. EN 1.4557 Stainless Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while EN 1.4557 stainless steel belongs to the iron alloys. There are 30 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 EN-MC35110 magnesium and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
160
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.1
40
Fatigue Strength, MPa 110
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
80
Tensile Strength: Ultimate (UTS), MPa 230
560
Tensile Strength: Yield (Proof), MPa 150
300

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 140
1090
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 520
1420
Specific Heat Capacity, J/kg-K 970
460
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 18
29
Density, g/cm3 1.9
8.0
Embodied Carbon, kg CO2/kg material 24
5.6
Embodied Energy, MJ/kg 170
76
Embodied Water, L/kg 940
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
190
Resilience: Unit (Modulus of Resilience), kJ/m3 260
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
24
Strength to Weight: Axial, points 34
19
Strength to Weight: Bending, points 44
19
Thermal Diffusivity, mm2/s 61
4.0
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 0 to 0.030
0.5 to 1.0
Iron (Fe), % 0 to 0.010
49.5 to 56.3
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 1.2
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.0050
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0