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4343 Aluminum vs. AISI 410 Stainless Steel

4343 aluminum belongs to the aluminum alloys classification, while AISI 410 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 4343 aluminum and the bottom bar is AISI 410 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 4.4
16 to 22
Fatigue Strength, MPa 45
190 to 350
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 64
330 to 470
Tensile Strength: Ultimate (UTS), MPa 110
520 to 770
Tensile Strength: Yield (Proof), MPa 62
290 to 580

Thermal Properties

Latent Heat of Fusion, J/g 510
270
Maximum Temperature: Mechanical, °C 160
710
Melting Completion (Liquidus), °C 620
1530
Melting Onset (Solidus), °C 580
1480
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 180
30
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 150
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.0
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 7.9
1.9
Embodied Energy, MJ/kg 150
27
Embodied Water, L/kg 1100
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1
97 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 27
210 to 860
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 12
19 to 28
Strength to Weight: Bending, points 20
19 to 24
Thermal Diffusivity, mm2/s 77
8.1
Thermal Shock Resistance, points 5.2
18 to 26

Alloy Composition

Aluminum (Al), % 90.3 to 93.2
0
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0
11.5 to 13.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.8
83.5 to 88.4
Manganese (Mn), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 0
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 6.8 to 8.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0