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851.0 Aluminum vs. C355.0 Aluminum

Both 851.0 aluminum and C355.0 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is 851.0 aluminum and the bottom bar is C355.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 3.9 to 9.1
2.7 to 3.8
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 130 to 140
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 410
470
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 630
620
Melting Onset (Solidus), °C 360
570
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 850
900
Thermal Conductivity, W/m-K 180
150
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
39
Electrical Conductivity: Equal Weight (Specific), % IACS 140
130

Otherwise Unclassified Properties

Base Metal Price, % relative 14
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.4
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1140
1120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
51
Strength to Weight: Axial, points 12 to 13
30 to 32
Strength to Weight: Bending, points 19 to 20
36 to 37
Thermal Diffusivity, mm2/s 69
60
Thermal Shock Resistance, points 6.1 to 6.3
13 to 14

Alloy Composition

Aluminum (Al), % 86.6 to 91.5
91.7 to 94.1
Copper (Cu), % 0.7 to 1.3
1.0 to 1.5
Iron (Fe), % 0 to 0.7
0 to 0.2
Magnesium (Mg), % 0 to 0.1
0.4 to 0.6
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0.3 to 0.7
0
Silicon (Si), % 2.0 to 3.0
4.5 to 5.5
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15

Comparable Variants