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AM60B Magnesium vs. AISI 316 Stainless Steel

AM60B magnesium belongs to the magnesium alloys classification, while AISI 316 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 AM60B magnesium and the bottom bar is AISI 316 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
160 to 360
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 11
8.0 to 55
Fatigue Strength, MPa 96
210 to 430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
78
Shear Strength, MPa 140
350 to 690
Tensile Strength: Ultimate (UTS), MPa 230
520 to 1180
Tensile Strength: Yield (Proof), MPa 130
230 to 850

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Mechanical, °C 120
590
Melting Completion (Liquidus), °C 620
1400
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 61
15
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 72
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
3.9
Embodied Energy, MJ/kg 160
53
Embodied Water, L/kg 990
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
85 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 190
130 to 1820
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
25
Strength to Weight: Axial, points 38
18 to 41
Strength to Weight: Bending, points 50
18 to 31
Thermal Diffusivity, mm2/s 37
4.1
Thermal Shock Resistance, points 14
11 to 26

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
62 to 72
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.0020
10 to 14
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.22
0