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1235 Aluminum vs. 1435 Aluminum

Both 1235 aluminum and 1435 aluminum are aluminum alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is 1235 aluminum and the bottom bar is 1435 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 28 to 34
4.1 to 32
Fatigue Strength, MPa 23 to 58
27 to 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 52 to 56
54 to 87
Tensile Strength: Ultimate (UTS), MPa 80 to 84
81 to 150
Tensile Strength: Yield (Proof), MPa 23 to 57
23 to 130

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 640
640
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
60
Electrical Conductivity: Equal Weight (Specific), % IACS 200
200

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.0
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1190
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 25
5.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 3.8 to 24
3.8 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 8.2 to 8.6
8.3 to 15
Strength to Weight: Bending, points 15 to 16
15 to 23
Thermal Diffusivity, mm2/s 93
93
Thermal Shock Resistance, points 3.6 to 3.7
3.6 to 6.7

Alloy Composition

Aluminum (Al), % 99.35 to 100
99.35 to 99.7
Copper (Cu), % 0 to 0.050
0 to 0.020
Iron (Fe), % 0 to 0.65
0.3 to 0.5
Magnesium (Mg), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.050
0 to 0.050
Silicon (Si), % 0 to 0.65
0 to 0.15
Titanium (Ti), % 0 to 0.060
0 to 0.030
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
0 to 0.1