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ZC63A Magnesium vs. AISI 204 Stainless Steel

ZC63A magnesium belongs to the magnesium alloys classification, while AISI 204 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 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
210 to 330
Elastic (Young's, Tensile) Modulus, GPa 48
200
Elongation at Break, % 3.3
23 to 39
Fatigue Strength, MPa 94
320 to 720
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
77
Shear Strength, MPa 130
500 to 700
Tensile Strength: Ultimate (UTS), MPa 220
730 to 1100
Tensile Strength: Yield (Proof), MPa 130
380 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 98
850
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
15
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 2.1
7.7
Embodied Carbon, kg CO2/kg material 22
2.4
Embodied Energy, MJ/kg 150
35
Embodied Water, L/kg 920
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
240 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 190
360 to 2940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
27 to 40
Strength to Weight: Bending, points 38
24 to 31
Thermal Diffusivity, mm2/s 58
4.1
Thermal Shock Resistance, points 12
16 to 24

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0
69.6 to 76.4
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
7.0 to 9.0
Nickel (Ni), % 0 to 0.010
1.5 to 3.0
Nitrogen (N), % 0
0.15 to 0.3
Phosphorus (P), % 0
0 to 0.040
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