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EN 1.4361 Stainless Steel vs. EZ33A Magnesium

EN 1.4361 stainless steel belongs to the iron alloys classification, while EZ33A magnesium belongs to the magnesium 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 EN 1.4361 stainless steel and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
55
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 43
2.6
Fatigue Strength, MPa 220
70
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
17
Shear Strength, MPa 440
140
Tensile Strength: Ultimate (UTS), MPa 630
150
Tensile Strength: Yield (Proof), MPa 250
100

Thermal Properties

Latent Heat of Fusion, J/g 350
330
Maximum Temperature: Mechanical, °C 940
250
Melting Completion (Liquidus), °C 1370
640
Melting Onset (Solidus), °C 1330
570
Specific Heat Capacity, J/kg-K 490
970
Thermal Conductivity, W/m-K 14
100
Thermal Expansion, µm/m-K 16
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
24
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
110

Otherwise Unclassified Properties

Base Metal Price, % relative 19
25
Density, g/cm3 7.6
1.9
Embodied Carbon, kg CO2/kg material 3.6
25
Embodied Energy, MJ/kg 52
190
Embodied Water, L/kg 150
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 160
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
61
Strength to Weight: Axial, points 23
22
Strength to Weight: Bending, points 21
33
Thermal Diffusivity, mm2/s 3.7
54
Thermal Shock Resistance, points 15
9.2

Alloy Composition

Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 58.7 to 65.8
0
Magnesium (Mg), % 0
91.5 to 95
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 14 to 16
0 to 0.010
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 3.7 to 4.5
0
Sulfur (S), % 0 to 0.010
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3