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EN 1.4512 Stainless Steel vs. 443.0 Aluminum

EN 1.4512 stainless steel belongs to the iron alloys classification, while 443.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.4512 stainless steel and the bottom bar is 443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 28
5.6
Fatigue Strength, MPa 180
55
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Shear Strength, MPa 310
96
Tensile Strength: Ultimate (UTS), MPa 470
150
Tensile Strength: Yield (Proof), MPa 240
65

Thermal Properties

Latent Heat of Fusion, J/g 270
470
Maximum Temperature: Mechanical, °C 720
180
Melting Completion (Liquidus), °C 1450
630
Melting Onset (Solidus), °C 1400
580
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 25
150
Thermal Expansion, µm/m-K 11
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
38
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
130

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.0
8.0
Embodied Energy, MJ/kg 27
150
Embodied Water, L/kg 95
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 150
30
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
52
Strength to Weight: Axial, points 17
16
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 6.7
61
Thermal Shock Resistance, points 17
6.9

Alloy Composition

Aluminum (Al), % 0
90.7 to 95.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 12.5
0 to 0.25
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 84.8 to 89.5
0 to 0.8
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
4.5 to 6.0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.65
0 to 0.25
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.35