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4147 Aluminum vs. EN 1.4035 Stainless Steel

4147 aluminum belongs to the aluminum alloys classification, while EN 1.4035 stainless steel belongs to the iron alloys. There are 30 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 4147 aluminum and the bottom bar is EN 1.4035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 3.3
18
Fatigue Strength, MPa 42
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 63
430
Tensile Strength: Ultimate (UTS), MPa 110
690
Tensile Strength: Yield (Proof), MPa 59
400

Thermal Properties

Latent Heat of Fusion, J/g 570
270
Maximum Temperature: Mechanical, °C 160
760
Melting Completion (Liquidus), °C 580
1430
Melting Onset (Solidus), °C 560
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
29
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.0
Density, g/cm3 2.5
7.7
Embodied Carbon, kg CO2/kg material 7.7
2.0
Embodied Energy, MJ/kg 140
27
Embodied Water, L/kg 1050
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
110
Resilience: Unit (Modulus of Resilience), kJ/m3 24
420
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 55
25
Strength to Weight: Axial, points 12
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 58
7.8
Thermal Shock Resistance, points 5.2
25

Alloy Composition

Aluminum (Al), % 85 to 88.9
0
Beryllium (Be), % 0 to 0.00030
0
Carbon (C), % 0
0.43 to 0.5
Chromium (Cr), % 0
12.5 to 14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.8
82.1 to 86.9
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 11 to 13
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0