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EN 1.4477 Stainless Steel vs. 6063 Aluminum

EN 1.4477 stainless steel belongs to the iron alloys classification, while 6063 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 6063 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
25 to 95
Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 22 to 23
7.3 to 21
Fatigue Strength, MPa 420 to 490
39 to 95
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 81
26
Shear Strength, MPa 550 to 580
70 to 190
Tensile Strength: Ultimate (UTS), MPa 880 to 930
110 to 300
Tensile Strength: Yield (Proof), MPa 620 to 730
49 to 270

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1430
650
Melting Onset (Solidus), °C 1380
620
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 13
190 to 220
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
49 to 58
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
160 to 190

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
150
Embodied Water, L/kg 190
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
13 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
18 to 540
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 31 to 33
11 to 31
Strength to Weight: Bending, points 26 to 27
18 to 37
Thermal Diffusivity, mm2/s 3.5
79 to 89
Thermal Shock Resistance, points 23 to 25
4.8 to 13

Alloy Composition

Aluminum (Al), % 0
97.5 to 99.4
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 30
0 to 0.1
Copper (Cu), % 0 to 0.8
0 to 0.1
Iron (Fe), % 56.6 to 63.6
0 to 0.35
Magnesium (Mg), % 0
0.45 to 0.9
Manganese (Mn), % 0.8 to 1.5
0 to 0.1
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
0.2 to 0.6
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15