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AM60A Magnesium vs. EN 1.4941 Stainless Steel

AM60A magnesium belongs to the magnesium alloys classification, while EN 1.4941 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 AM60A magnesium and the bottom bar is EN 1.4941 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
180
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 8.8
39
Fatigue Strength, MPa 70
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
77
Shear Strength, MPa 130
400
Tensile Strength: Ultimate (UTS), MPa 230
590
Tensile Strength: Yield (Proof), MPa 130
210

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Mechanical, °C 120
940
Melting Completion (Liquidus), °C 620
1430
Melting Onset (Solidus), °C 550
1380
Specific Heat Capacity, J/kg-K 1000
480
Thermal Conductivity, W/m-K 62
16
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 69
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
16
Density, g/cm3 1.7
7.8
Embodied Carbon, kg CO2/kg material 23
3.3
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 990
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
180
Resilience: Unit (Modulus of Resilience), kJ/m3 190
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
25
Strength to Weight: Axial, points 37
21
Strength to Weight: Bending, points 49
20
Thermal Diffusivity, mm2/s 37
4.3
Thermal Shock Resistance, points 14
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0
0.040 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 0
65.1 to 73.6
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0 to 2.0
Nickel (Ni), % 0 to 0.030
9.0 to 12
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.8
Zinc (Zn), % 0 to 0.22
0