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356.0 Aluminum vs. EN 1.4749 Stainless Steel

356.0 aluminum belongs to the aluminum alloys classification, while EN 1.4749 stainless steel belongs to the iron 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 356.0 aluminum and the bottom bar is EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55 to 75
180
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 2.0 to 3.8
16
Fatigue Strength, MPa 55 to 75
190
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
80
Shear Strength, MPa 140 to 190
370
Tensile Strength: Ultimate (UTS), MPa 160 to 240
600
Tensile Strength: Yield (Proof), MPa 100 to 190
320

Thermal Properties

Latent Heat of Fusion, J/g 500
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 620
1420
Melting Onset (Solidus), °C 570
1380
Specific Heat Capacity, J/kg-K 900
490
Thermal Conductivity, W/m-K 150 to 170
17
Thermal Expansion, µm/m-K 21
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40 to 43
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140 to 150
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.6
7.6
Embodied Carbon, kg CO2/kg material 8.0
2.5
Embodied Energy, MJ/kg 150
36
Embodied Water, L/kg 1110
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.2 to 8.2
80
Resilience: Unit (Modulus of Resilience), kJ/m3 70 to 250
250
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
26
Strength to Weight: Axial, points 17 to 26
22
Strength to Weight: Bending, points 25 to 33
21
Thermal Diffusivity, mm2/s 64 to 71
4.6
Thermal Shock Resistance, points 7.6 to 11
22

Alloy Composition

Aluminum (Al), % 90.1 to 93.3
0
Carbon (C), % 0
0.15 to 0.2
Chromium (Cr), % 0
26 to 29
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.6
68.5 to 73.7
Magnesium (Mg), % 0.2 to 0.45
0
Manganese (Mn), % 0 to 0.35
0 to 1.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 6.5 to 7.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0