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1350 Aluminum vs. EN 1.4371 Stainless Steel

1350 aluminum belongs to the aluminum alloys classification, while EN 1.4371 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1350 aluminum and the bottom bar is EN 1.4371 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 20 to 45
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 1.4 to 30
45 to 51
Fatigue Strength, MPa 24 to 50
290 to 340
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 44 to 110
520 to 540
Tensile Strength: Ultimate (UTS), MPa 68 to 190
740 to 750
Tensile Strength: Yield (Proof), MPa 25 to 170
320 to 340

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 170
880
Melting Completion (Liquidus), °C 660
1410
Melting Onset (Solidus), °C 650
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 230
15
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61 to 62
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 200 to 210
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 160
38
Embodied Water, L/kg 1200
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.77 to 54
270 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 4.4 to 200
250 to 300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 7.0 to 19
27
Strength to Weight: Bending, points 14 to 27
24
Thermal Diffusivity, mm2/s 96
4.0
Thermal Shock Resistance, points 3.0 to 8.2
16

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Boron (B), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.010
16 to 17.5
Copper (Cu), % 0 to 0.050
0 to 1.0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.4
66.7 to 74.4
Manganese (Mn), % 0 to 0.010
6.0 to 8.0
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.020
0
Vanadium (V), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0 to 0.1
0