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7076 Aluminum vs. AISI 310HCb Stainless Steel

7076 aluminum belongs to the aluminum alloys classification, while AISI 310HCb stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 7076 aluminum and the bottom bar is AISI 310HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 6.2
46
Fatigue Strength, MPa 170
210
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 27
78
Shear Strength, MPa 310
410
Tensile Strength: Ultimate (UTS), MPa 530
590
Tensile Strength: Yield (Proof), MPa 460
230

Thermal Properties

Latent Heat of Fusion, J/g 380
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 630
1410
Melting Onset (Solidus), °C 460
1370
Specific Heat Capacity, J/kg-K 860
480
Thermal Conductivity, W/m-K 140
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.0
4.8
Embodied Energy, MJ/kg 150
69
Embodied Water, L/kg 1110
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1510
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 49
21
Strength to Weight: Bending, points 48
20
Thermal Diffusivity, mm2/s 54
3.9
Thermal Shock Resistance, points 23
13

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
0
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0.3 to 1.0
0
Iron (Fe), % 0 to 0.6
48 to 57
Magnesium (Mg), % 1.2 to 2.0
0
Manganese (Mn), % 0.3 to 0.8
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), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 7.0 to 8.0
0
Residuals, % 0 to 0.15
0