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296.0 Aluminum vs. EN 1.4980 Stainless Steel

296.0 aluminum belongs to the aluminum alloys classification, while EN 1.4980 stainless steel belongs to the iron alloys. There are 29 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 296.0 aluminum and the bottom bar is EN 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 3.2 to 7.1
17
Fatigue Strength, MPa 47 to 70
410
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
75
Tensile Strength: Ultimate (UTS), MPa 260 to 270
1030
Tensile Strength: Yield (Proof), MPa 120 to 180
680

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 170
920
Melting Completion (Liquidus), °C 630
1430
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 130 to 150
13
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 37
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 99 to 110
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
26
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 7.8
6.0
Embodied Energy, MJ/kg 150
87
Embodied Water, L/kg 1110
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.6 to 15
150
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 220
1180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 24 to 25
36
Strength to Weight: Bending, points 30 to 31
28
Thermal Diffusivity, mm2/s 51 to 56
3.5
Thermal Shock Resistance, points 12
22

Alloy Composition

Aluminum (Al), % 89 to 94
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0
0.030 to 0.080
Chromium (Cr), % 0
13.5 to 16
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 1.2
49.2 to 58.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0 to 0.35
24 to 27
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 2.0 to 3.0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.35
0