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ZC63A Magnesium vs. AISI 317LN Stainless Steel

ZC63A magnesium belongs to the magnesium alloys classification, while AISI 317LN stainless steel belongs to the iron alloys. There are 31 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 ZC63A magnesium and the bottom bar is AISI 317LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
190
Elastic (Young's, Tensile) Modulus, GPa 48
200
Elongation at Break, % 3.3
45
Fatigue Strength, MPa 94
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
79
Shear Strength, MPa 130
430
Tensile Strength: Ultimate (UTS), MPa 220
620
Tensile Strength: Yield (Proof), MPa 130
270

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 98
1010
Melting Completion (Liquidus), °C 550
1450
Melting Onset (Solidus), °C 470
1400
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
21
Density, g/cm3 2.1
7.9
Embodied Carbon, kg CO2/kg material 22
4.3
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 920
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
220
Resilience: Unit (Modulus of Resilience), kJ/m3 190
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
22
Strength to Weight: Bending, points 38
20
Thermal Diffusivity, mm2/s 58
3.9
Thermal Shock Resistance, points 12
14

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0
57.9 to 67.9
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.010
11 to 15
Nitrogen (N), % 0
0.1 to 0.22
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0