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238.0 Aluminum vs. AISI 310HCb Stainless Steel

238.0 aluminum belongs to the aluminum alloys classification, while AISI 310HCb stainless steel belongs to the iron alloys. There are 29 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 238.0 aluminum and the bottom bar is AISI 310HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
200
Elongation at Break, % 1.5
46
Fatigue Strength, MPa 110
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
78
Tensile Strength: Ultimate (UTS), MPa 210
590
Tensile Strength: Yield (Proof), MPa 170
230

Thermal Properties

Latent Heat of Fusion, J/g 430
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 600
1410
Melting Onset (Solidus), °C 510
1370
Specific Heat Capacity, J/kg-K 840
480
Thermal Conductivity, W/m-K 100
15
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 67
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
28
Density, g/cm3 3.4
7.9
Embodied Carbon, kg CO2/kg material 7.4
4.8
Embodied Energy, MJ/kg 140
69
Embodied Water, L/kg 1040
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
210
Resilience: Unit (Modulus of Resilience), kJ/m3 180
130
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 42
25
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 37
3.9
Thermal Shock Resistance, points 9.1
13

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 9.5 to 10.5
0
Iron (Fe), % 1.0 to 1.5
48 to 57
Magnesium (Mg), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
19 to 22
Niobium (Nb), % 0
0 to 1.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 3.6 to 4.4
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 1.0 to 1.5
0