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EN 1.4008 Stainless Steel vs. 336.0 Aluminum

EN 1.4008 stainless steel belongs to the iron alloys classification, while 336.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 1.4008 stainless steel and the bottom bar is 336.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
75
Elongation at Break, % 17
0.5
Fatigue Strength, MPa 300
80 to 93
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
28
Tensile Strength: Ultimate (UTS), MPa 670
250 to 320
Tensile Strength: Yield (Proof), MPa 500
190 to 300

Thermal Properties

Latent Heat of Fusion, J/g 280
570
Maximum Temperature: Mechanical, °C 760
210
Melting Completion (Liquidus), °C 1450
570
Melting Onset (Solidus), °C 1400
540
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 25
120
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
29
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
95

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
11
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 2.1
7.9
Embodied Energy, MJ/kg 30
140
Embodied Water, L/kg 100
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
1.1 to 1.6
Resilience: Unit (Modulus of Resilience), kJ/m3 630
250 to 580
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 24
25 to 32
Strength to Weight: Bending, points 22
32 to 38
Thermal Diffusivity, mm2/s 6.7
48
Thermal Shock Resistance, points 23
12 to 16

Alloy Composition

Aluminum (Al), % 0
79.1 to 85.8
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 12 to 13.5
0
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 81.8 to 86.8
0 to 1.2
Magnesium (Mg), % 0
0.7 to 1.3
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 0.2 to 0.5
0
Nickel (Ni), % 1.0 to 2.0
2.0 to 3.0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
11 to 13
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35