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EN 1.4865 Stainless Steel vs. 380.0 Aluminum

EN 1.4865 stainless steel belongs to the iron alloys classification, while 380.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4865 stainless steel and the bottom bar is 380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
80
Elastic (Young's, Tensile) Modulus, GPa 200
74
Elongation at Break, % 6.8
3.0
Fatigue Strength, MPa 120
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
28
Tensile Strength: Ultimate (UTS), MPa 470
320
Tensile Strength: Yield (Proof), MPa 250
160

Thermal Properties

Latent Heat of Fusion, J/g 320
510
Maximum Temperature: Mechanical, °C 1020
170
Melting Completion (Liquidus), °C 1380
590
Melting Onset (Solidus), °C 1330
540
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 12
100
Thermal Expansion, µm/m-K 15
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
27
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
83

Otherwise Unclassified Properties

Base Metal Price, % relative 33
10
Density, g/cm3 8.0
2.9
Embodied Carbon, kg CO2/kg material 5.8
7.5
Embodied Energy, MJ/kg 81
140
Embodied Water, L/kg 200
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
8.0
Resilience: Unit (Modulus of Resilience), kJ/m3 160
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
48
Strength to Weight: Axial, points 16
31
Strength to Weight: Bending, points 17
36
Thermal Diffusivity, mm2/s 3.1
40
Thermal Shock Resistance, points 11
14

Alloy Composition

Aluminum (Al), % 0
79.6 to 89.5
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 34.4 to 44.7
0 to 2.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
0 to 0.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
7.5 to 9.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5