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EN 1.4371 Stainless Steel vs. EN-MC35110 Magnesium

EN 1.4371 stainless steel belongs to the iron alloys classification, while EN-MC35110 magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.4371 stainless steel and the bottom bar is EN-MC35110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
63
Elastic (Young's, Tensile) Modulus, GPa 200
45
Elongation at Break, % 45 to 51
3.1
Fatigue Strength, MPa 290 to 340
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
18
Shear Strength, MPa 520 to 540
130
Tensile Strength: Ultimate (UTS), MPa 740 to 750
230
Tensile Strength: Yield (Proof), MPa 320 to 340
150

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 880
140
Melting Completion (Liquidus), °C 1410
600
Melting Onset (Solidus), °C 1370
520
Specific Heat Capacity, J/kg-K 480
970
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
18
Density, g/cm3 7.7
1.9
Embodied Carbon, kg CO2/kg material 2.6
24
Embodied Energy, MJ/kg 38
170
Embodied Water, L/kg 140
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
63
Strength to Weight: Axial, points 27
34
Strength to Weight: Bending, points 24
44
Thermal Diffusivity, mm2/s 4.0
61
Thermal Shock Resistance, points 16
14

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16 to 17.5
0
Copper (Cu), % 0 to 1.0
0 to 0.030
Iron (Fe), % 66.7 to 74.4
0 to 0.010
Magnesium (Mg), % 0
92 to 95.4
Manganese (Mn), % 6.0 to 8.0
0 to 0.15
Nickel (Ni), % 3.5 to 5.5
0 to 0.0050
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.015
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010