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296.0 Aluminum vs. EN 1.4568 Stainless Steel

296.0 aluminum belongs to the aluminum alloys classification, while EN 1.4568 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 1.4568 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 3.2 to 7.1
2.3 to 21
Fatigue Strength, MPa 47 to 70
220 to 670
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 260 to 270
830 to 1620
Tensile Strength: Yield (Proof), MPa 120 to 180
330 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 170
890
Melting Completion (Liquidus), °C 630
1420
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 130 to 150
16
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 37
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 99 to 110
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 7.8
2.8
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 1110
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.6 to 15
36 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 220
290 to 5710
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 24 to 25
30 to 58
Strength to Weight: Bending, points 30 to 31
25 to 40
Thermal Diffusivity, mm2/s 51 to 56
4.3
Thermal Shock Resistance, points 12
23 to 46

Alloy Composition

Aluminum (Al), % 89 to 94
0.7 to 1.5
Carbon (C), % 0
0 to 0.090
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 1.2
70.9 to 76.8
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
0 to 1.0
Nickel (Ni), % 0 to 0.35
6.5 to 7.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.0 to 3.0
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.35
0