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ZE41A Magnesium vs. EN 1.4961 Stainless Steel

ZE41A magnesium belongs to the magnesium alloys classification, while EN 1.4961 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 ZE41A magnesium and the bottom bar is EN 1.4961 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
180
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.3
39
Fatigue Strength, MPa 98
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
76
Shear Strength, MPa 150
420
Tensile Strength: Ultimate (UTS), MPa 210
610
Tensile Strength: Yield (Proof), MPa 140
220

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 150
890
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 540
1390
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 27
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 18
21
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 24
4.0
Embodied Energy, MJ/kg 170
57
Embodied Water, L/kg 940
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
190
Resilience: Unit (Modulus of Resilience), kJ/m3 220
120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
25
Strength to Weight: Axial, points 31
22
Strength to Weight: Bending, points 41
20
Thermal Diffusivity, mm2/s 59
4.3
Thermal Shock Resistance, points 12
14

Alloy Composition

Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0
65.6 to 72.3
Magnesium (Mg), % 91.7 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Nickel (Ni), % 0 to 0.010
12 to 14
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.3 to 0.6
Sulfur (S), % 0
0 to 0.015
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0