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710.0 Aluminum vs. AISI 309H Stainless Steel

710.0 aluminum belongs to the aluminum alloys classification, while AISI 309H stainless steel belongs to the iron 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 710.0 aluminum and the bottom bar is AISI 309H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
190
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 2.2 to 3.6
40
Fatigue Strength, MPa 55 to 110
200
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 26
78
Shear Strength, MPa 180
400
Tensile Strength: Ultimate (UTS), MPa 240 to 250
580
Tensile Strength: Yield (Proof), MPa 160
230

Thermal Properties

Latent Heat of Fusion, J/g 380
290
Maximum Temperature: Mechanical, °C 170
1080
Melting Completion (Liquidus), °C 650
1420
Melting Onset (Solidus), °C 610
1370
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 140
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
3.6
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1130
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.9 to 7.9
190
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 190
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 29
20
Thermal Diffusivity, mm2/s 53
4.0
Thermal Shock Resistance, points 10 to 11
13

Alloy Composition

Aluminum (Al), % 90.5 to 93.1
0
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 0.35 to 0.65
0
Iron (Fe), % 0 to 0.5
58.1 to 66
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Nickel (Ni), % 0
12 to 15
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.15
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0 to 0.15
0