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EN 1.4982 Stainless Steel vs. 308.0 Aluminum

EN 1.4982 stainless steel belongs to the iron alloys classification, while 308.0 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 1.4982 stainless steel and the bottom bar is 308.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
70
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 28
2.0
Fatigue Strength, MPa 420
89
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Shear Strength, MPa 490
150
Tensile Strength: Ultimate (UTS), MPa 750
190
Tensile Strength: Yield (Proof), MPa 570
110

Thermal Properties

Latent Heat of Fusion, J/g 290
470
Maximum Temperature: Mechanical, °C 860
170
Melting Completion (Liquidus), °C 1430
620
Melting Onset (Solidus), °C 1390
540
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 13
140
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
37
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
110

Otherwise Unclassified Properties

Base Metal Price, % relative 22
10
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 4.9
7.7
Embodied Energy, MJ/kg 71
140
Embodied Water, L/kg 150
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
3.3
Resilience: Unit (Modulus of Resilience), kJ/m3 830
83
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
47
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 3.4
55
Thermal Shock Resistance, points 17
9.2

Alloy Composition

Aluminum (Al), % 0
85.7 to 91
Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 61.8 to 69.7
0 to 1.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 5.5 to 7.0
0 to 0.5
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 9.0 to 11
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
5.0 to 6.0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Vanadium (V), % 0.15 to 0.4
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5