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EN 1.4982 Stainless Steel vs. 242.0 Aluminum

EN 1.4982 stainless steel belongs to the iron alloys classification, while 242.0 aluminum belongs to the aluminum alloys. There are 31 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 1.4982 stainless steel and the bottom bar is 242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
70 to 110
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 28
0.5 to 1.5
Fatigue Strength, MPa 420
55 to 110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Shear Strength, MPa 490
150 to 240
Tensile Strength: Ultimate (UTS), MPa 750
180 to 290
Tensile Strength: Yield (Proof), MPa 570
120 to 220

Thermal Properties

Latent Heat of Fusion, J/g 290
390
Maximum Temperature: Mechanical, °C 860
210
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1390
530
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 13
130 to 170
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
33 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
96 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 22
12
Density, g/cm3 7.8
3.1
Embodied Carbon, kg CO2/kg material 4.9
8.3
Embodied Energy, MJ/kg 71
150
Embodied Water, L/kg 150
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
1.3 to 3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 830
110 to 340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
45
Strength to Weight: Axial, points 27
16 to 26
Strength to Weight: Bending, points 23
23 to 32
Thermal Diffusivity, mm2/s 3.4
50 to 62
Thermal Shock Resistance, points 17
8.0 to 13

Alloy Composition

Aluminum (Al), % 0
88.4 to 93.6
Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 14 to 16
0 to 0.25
Copper (Cu), % 0
3.5 to 4.5
Iron (Fe), % 61.8 to 69.7
0 to 1.0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 5.5 to 7.0
0 to 0.35
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 9.0 to 11
1.7 to 2.3
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
0 to 0.7
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 0.35
Residuals, % 0
0 to 0.15