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204.0 Aluminum vs. EN 1.4849 Stainless Steel

204.0 aluminum belongs to the aluminum alloys classification, while EN 1.4849 stainless steel belongs to the iron alloys. There are 28 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 204.0 aluminum and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90 to 120
140
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 5.7 to 7.8
4.5
Fatigue Strength, MPa 63 to 77
120
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
75
Tensile Strength: Ultimate (UTS), MPa 230 to 340
480
Tensile Strength: Yield (Proof), MPa 180 to 220
250

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Maximum Temperature: Mechanical, °C 170
1020
Melting Completion (Liquidus), °C 650
1390
Melting Onset (Solidus), °C 580
1340
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 19
15

Otherwise Unclassified Properties

Base Metal Price, % relative 11
42
Density, g/cm3 3.0
8.0
Embodied Carbon, kg CO2/kg material 8.0
7.1
Embodied Energy, MJ/kg 150
100
Embodied Water, L/kg 1150
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
18
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 350
160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 21 to 31
17
Strength to Weight: Bending, points 28 to 36
17
Thermal Diffusivity, mm2/s 46
3.2
Thermal Shock Resistance, points 12 to 18
11

Alloy Composition

Aluminum (Al), % 93.4 to 95.5
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.35
32.6 to 43.5
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.050
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0