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EN 1.4612 Stainless Steel vs. WE54A Magnesium

EN 1.4612 stainless steel belongs to the iron alloys classification, while WE54A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, 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 1.4612 stainless steel and the bottom bar is WE54A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 11
4.3 to 5.6
Fatigue Strength, MPa 860 to 950
98 to 130
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
17
Shear Strength, MPa 1010 to 1110
150 to 170
Tensile Strength: Ultimate (UTS), MPa 1690 to 1850
270 to 300
Tensile Strength: Yield (Proof), MPa 1570 to 1730
180

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 790
170
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1400
570
Specific Heat Capacity, J/kg-K 480
960
Thermal Expansion, µm/m-K 11
25

Otherwise Unclassified Properties

Base Metal Price, % relative 16
34
Density, g/cm3 7.9
1.9
Embodied Carbon, kg CO2/kg material 3.6
29
Embodied Energy, MJ/kg 50
260
Embodied Water, L/kg 140
900

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 210
10 to 14
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
62
Strength to Weight: Axial, points 60 to 65
39 to 43
Strength to Weight: Bending, points 40 to 43
49 to 51
Thermal Shock Resistance, points 58 to 63
18 to 19

Alloy Composition

Aluminum (Al), % 1.4 to 1.8
0
Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 71.5 to 75.5
0 to 0.010
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.7 to 93.4
Manganese (Mn), % 0 to 0.1
0 to 0.030
Molybdenum (Mo), % 1.8 to 2.3
0
Nickel (Ni), % 10.2 to 11.3
0 to 0.0050
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0 to 0.010
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0.2 to 0.5
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3

Comparable Variants