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ZC63A Magnesium vs. AISI 304Cu Stainless Steel

ZC63A magnesium belongs to the magnesium alloys classification, while AISI 304Cu 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 ZC63A magnesium and the bottom bar is AISI 304Cu stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
160
Elastic (Young's, Tensile) Modulus, GPa 48
190
Elongation at Break, % 3.3
45
Fatigue Strength, MPa 94
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
76
Shear Strength, MPa 130
370
Tensile Strength: Ultimate (UTS), MPa 220
530
Tensile Strength: Yield (Proof), MPa 130
210

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 98
930
Melting Completion (Liquidus), °C 550
1410
Melting Onset (Solidus), °C 470
1370
Specific Heat Capacity, J/kg-K 950
480
Thermal Conductivity, W/m-K 120
13
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
3.0
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 920
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
190
Resilience: Unit (Modulus of Resilience), kJ/m3 190
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 38
19
Thermal Diffusivity, mm2/s 58
3.5
Thermal Shock Resistance, points 12
12

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 2.4 to 3.0
3.0 to 4.0
Iron (Fe), % 0
63.9 to 72
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 2.0
Nickel (Ni), % 0 to 0.010
8.0 to 10
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0