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EN 1.4477 Stainless Steel vs. 1350 Aluminum

EN 1.4477 stainless steel belongs to the iron alloys classification, while 1350 aluminum belongs to the aluminum alloys. There are 31 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 EN 1.4477 stainless steel and the bottom bar is 1350 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
20 to 45
Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 22 to 23
1.4 to 30
Fatigue Strength, MPa 420 to 490
24 to 50
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 81
26
Shear Strength, MPa 550 to 580
44 to 110
Tensile Strength: Ultimate (UTS), MPa 880 to 930
68 to 190
Tensile Strength: Yield (Proof), MPa 620 to 730
25 to 170

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1430
660
Melting Onset (Solidus), °C 1380
650
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 13
230
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
61 to 62
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
200 to 210

Otherwise Unclassified Properties

Base Metal Price, % relative 20
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 3.7
8.3
Embodied Energy, MJ/kg 52
160
Embodied Water, L/kg 190
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
0.77 to 54
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
4.4 to 200
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 31 to 33
7.0 to 19
Strength to Weight: Bending, points 26 to 27
14 to 27
Thermal Diffusivity, mm2/s 3.5
96
Thermal Shock Resistance, points 23 to 25
3.0 to 8.2

Alloy Composition

Aluminum (Al), % 0
99.5 to 100
Boron (B), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 30
0 to 0.010
Copper (Cu), % 0 to 0.8
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 56.6 to 63.6
0 to 0.4
Manganese (Mn), % 0.8 to 1.5
0 to 0.010
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.020
Vanadium (V), % 0
0 to 0.020
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.1