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295.0 Aluminum vs. EN 1.4347 Stainless Steel

295.0 aluminum belongs to the aluminum alloys classification, while EN 1.4347 stainless steel belongs to the iron alloys. There are 29 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 295.0 aluminum and the bottom bar is EN 1.4347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 2.0 to 7.2
23
Fatigue Strength, MPa 44 to 55
320
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
79
Tensile Strength: Ultimate (UTS), MPa 230 to 280
660
Tensile Strength: Yield (Proof), MPa 100 to 220
480

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 640
1410
Melting Onset (Solidus), °C 530
1370
Specific Heat Capacity, J/kg-K 880
490
Thermal Conductivity, W/m-K 140
15
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
16
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 7.9
3.1
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1140
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2 to 13
140
Resilience: Unit (Modulus of Resilience), kJ/m3 77 to 340
570
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 21 to 26
24
Strength to Weight: Bending, points 27 to 32
22
Thermal Diffusivity, mm2/s 54
4.0
Thermal Shock Resistance, points 9.8 to 12
19

Alloy Composition

Aluminum (Al), % 91.4 to 95.3
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
25 to 27
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 1.0
62.2 to 69.4
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.35
0 to 1.5
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.7 to 1.5
0 to 1.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0