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356.0 Aluminum vs. EN 1.4865 Stainless Steel

356.0 aluminum belongs to the aluminum alloys classification, while EN 1.4865 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 356.0 aluminum and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55 to 75
140
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 2.0 to 3.8
6.8
Fatigue Strength, MPa 55 to 75
120
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 160 to 240
470
Tensile Strength: Yield (Proof), MPa 100 to 190
250

Thermal Properties

Latent Heat of Fusion, J/g 500
320
Maximum Temperature: Mechanical, °C 170
1020
Melting Completion (Liquidus), °C 620
1380
Melting Onset (Solidus), °C 570
1330
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 150 to 170
12
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40 to 43
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140 to 150
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.6
8.0
Embodied Carbon, kg CO2/kg material 8.0
5.8
Embodied Energy, MJ/kg 150
81
Embodied Water, L/kg 1110
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.2 to 8.2
27
Resilience: Unit (Modulus of Resilience), kJ/m3 70 to 250
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 17 to 26
16
Strength to Weight: Bending, points 25 to 33
17
Thermal Diffusivity, mm2/s 64 to 71
3.1
Thermal Shock Resistance, points 7.6 to 11
11

Alloy Composition

Aluminum (Al), % 90.1 to 93.3
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.6
34.4 to 44.7
Magnesium (Mg), % 0.2 to 0.45
0
Manganese (Mn), % 0 to 0.35
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
36 to 39
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 6.5 to 7.5
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0