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EN 1.4458 Stainless Steel vs. 336.0 Aluminum

EN 1.4458 stainless steel belongs to the iron alloys classification, while 336.0 aluminum belongs to the aluminum 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 EN 1.4458 stainless steel and the bottom bar is 336.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
110 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
75
Elongation at Break, % 34
0.5
Fatigue Strength, MPa 150
80 to 93
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
28
Tensile Strength: Ultimate (UTS), MPa 510
250 to 320
Tensile Strength: Yield (Proof), MPa 190
190 to 300

Thermal Properties

Latent Heat of Fusion, J/g 300
570
Maximum Temperature: Mechanical, °C 1100
210
Melting Completion (Liquidus), °C 1420
570
Melting Onset (Solidus), °C 1370
540
Specific Heat Capacity, J/kg-K 470
890
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 15
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
29
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
95

Otherwise Unclassified Properties

Base Metal Price, % relative 30
11
Density, g/cm3 8.0
2.8
Embodied Carbon, kg CO2/kg material 5.4
7.9
Embodied Energy, MJ/kg 75
140
Embodied Water, L/kg 200
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
1.1 to 1.6
Resilience: Unit (Modulus of Resilience), kJ/m3 89
250 to 580
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 17
25 to 32
Strength to Weight: Bending, points 18
32 to 38
Thermal Diffusivity, mm2/s 4.2
48
Thermal Shock Resistance, points 12
12 to 16

Alloy Composition

Aluminum (Al), % 0
79.1 to 85.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19 to 22
0
Copper (Cu), % 0 to 2.0
0.5 to 1.5
Iron (Fe), % 40.2 to 53
0 to 1.2
Magnesium (Mg), % 0
0.7 to 1.3
Manganese (Mn), % 0 to 2.0
0 to 0.35
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 26 to 30
2.0 to 3.0
Nitrogen (N), % 0 to 0.2
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