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EN 1.3975 Stainless Steel vs. EN AC-43500 Aluminum

EN 1.3975 stainless steel belongs to the iron alloys classification, while EN AC-43500 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 1.3975 stainless steel and the bottom bar is EN AC-43500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
68 to 91
Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 27
4.5 to 13
Fatigue Strength, MPa 230
62 to 100
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Tensile Strength: Ultimate (UTS), MPa 660
220 to 300
Tensile Strength: Yield (Proof), MPa 320
140 to 170

Thermal Properties

Latent Heat of Fusion, J/g 340
550
Maximum Temperature: Mechanical, °C 910
170
Melting Completion (Liquidus), °C 1360
600
Melting Onset (Solidus), °C 1320
590
Specific Heat Capacity, J/kg-K 500
900
Thermal Expansion, µm/m-K 16
22

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.5
Density, g/cm3 7.5
2.6
Embodied Carbon, kg CO2/kg material 3.3
7.8
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 150
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
12 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 270
130 to 200
Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 26
54
Strength to Weight: Axial, points 24
24 to 33
Strength to Weight: Bending, points 22
32 to 39
Thermal Shock Resistance, points 15
10 to 14

Alloy Composition

Aluminum (Al), % 0
86.4 to 90.5
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 58.2 to 65.4
0 to 0.25
Magnesium (Mg), % 0
0.1 to 0.6
Manganese (Mn), % 7.0 to 9.0
0.4 to 0.8
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 3.5 to 4.5
9.0 to 11.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.15