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AM60A Magnesium vs. EN 1.8903 Steel

AM60A magnesium belongs to the magnesium alloys classification, while EN 1.8903 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 AM60A magnesium and the bottom bar is EN 1.8903 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
190
Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 8.8
19
Fatigue Strength, MPa 70
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
73
Shear Strength, MPa 130
390
Tensile Strength: Ultimate (UTS), MPa 230
630
Tensile Strength: Yield (Proof), MPa 130
480

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 120
410
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 62
46
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 69
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.6
Density, g/cm3 1.7
7.8
Embodied Carbon, kg CO2/kg material 23
1.8
Embodied Energy, MJ/kg 160
24
Embodied Water, L/kg 990
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
620
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 37
22
Strength to Weight: Bending, points 49
21
Thermal Diffusivity, mm2/s 37
12
Thermal Shock Resistance, points 14
18

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.015
Carbon (C), % 0
0 to 0.22
Chromium (Cr), % 0
0 to 0.35
Copper (Cu), % 0 to 0.35
0 to 0.6
Iron (Fe), % 0
95 to 99.05
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
1.0 to 1.8
Molybdenum (Mo), % 0
0 to 0.13
Nickel (Ni), % 0 to 0.030
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.65
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.22
Zinc (Zn), % 0 to 0.22
0