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ZE63A Magnesium vs. EN 1.3956 Stainless Steel

ZE63A magnesium belongs to the magnesium alloys classification, while EN 1.3956 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, 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 ZE63A magnesium and the bottom bar is EN 1.3956 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
200
Elongation at Break, % 7.7
27
Fatigue Strength, MPa 120
240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
79
Tensile Strength: Ultimate (UTS), MPa 300
650
Tensile Strength: Yield (Proof), MPa 190
330

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 170
1080
Melting Completion (Liquidus), °C 510
1420
Melting Onset (Solidus), °C 390
1380
Specific Heat Capacity, J/kg-K 950
480
Thermal Expansion, µm/m-K 27
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
22
Density, g/cm3 2.0
7.8
Embodied Carbon, kg CO2/kg material 24
4.8
Embodied Energy, MJ/kg 180
68
Embodied Water, L/kg 920
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
150
Resilience: Unit (Modulus of Resilience), kJ/m3 400
270
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 40
23
Strength to Weight: Bending, points 48
21
Thermal Shock Resistance, points 17
18

Alloy Composition

Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0
51.9 to 62.1
Magnesium (Mg), % 89.6 to 92
0
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0 to 0.010
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 2.1 to 3.0
0
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 5.5 to 6.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0