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AM60A Magnesium vs. AISI 202 Stainless Steel

AM60A magnesium belongs to the magnesium alloys classification, while AISI 202 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 8.8
14 to 45
Fatigue Strength, MPa 70
290 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
77
Shear Strength, MPa 130
490 to 590
Tensile Strength: Ultimate (UTS), MPa 230
700 to 980
Tensile Strength: Yield (Proof), MPa 130
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Mechanical, °C 120
910
Melting Completion (Liquidus), °C 620
1400
Melting Onset (Solidus), °C 550
1360
Specific Heat Capacity, J/kg-K 1000
480
Thermal Conductivity, W/m-K 62
15
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 69
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 1.7
7.7
Embodied Carbon, kg CO2/kg material 23
2.8
Embodied Energy, MJ/kg 160
40
Embodied Water, L/kg 990
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 190
250 to 840
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
25
Strength to Weight: Axial, points 37
25 to 35
Strength to Weight: Bending, points 49
23 to 29
Thermal Diffusivity, mm2/s 37
4.0
Thermal Shock Resistance, points 14
15 to 21

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 0
63.5 to 71.5
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
7.5 to 10
Nickel (Ni), % 0 to 0.030
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.22
0