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ZC63A Magnesium vs. EN 1.4742 Stainless Steel

ZC63A magnesium belongs to the magnesium alloys classification, while EN 1.4742 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 EN 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
180
Elastic (Young's, Tensile) Modulus, GPa 48
200
Elongation at Break, % 3.3
17
Fatigue Strength, MPa 94
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
77
Shear Strength, MPa 130
370
Tensile Strength: Ultimate (UTS), MPa 220
600
Tensile Strength: Yield (Proof), MPa 130
300

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 98
1000
Melting Completion (Liquidus), °C 550
1420
Melting Onset (Solidus), °C 470
1380
Specific Heat Capacity, J/kg-K 950
490
Thermal Conductivity, W/m-K 120
19
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.0
Density, g/cm3 2.1
7.6
Embodied Carbon, kg CO2/kg material 22
2.2
Embodied Energy, MJ/kg 150
32
Embodied Water, L/kg 920
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
84
Resilience: Unit (Modulus of Resilience), kJ/m3 190
230
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
21
Thermal Diffusivity, mm2/s 58
5.1
Thermal Shock Resistance, points 12
21

Alloy Composition


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Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0
77.2 to 81.6
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0.7 to 1.4
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0