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8021 Aluminum vs. K93600 Alloy

8021 aluminum belongs to the aluminum alloys classification, while K93600 alloy belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 8021 aluminum and the bottom bar is K93600 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
140
Elongation at Break, % 2.3
5.0 to 35
Tensile Strength: Ultimate (UTS), MPa 160
480 to 810
Tensile Strength: Yield (Proof), MPa 130
280 to 750

Thermal Properties

Maximum Temperature: Mechanical, °C 170
440
Melting Onset (Solidus), °C 640
1430
Specific Heat Capacity, J/kg-K 900
520
Thermal Conductivity, W/m-K 220
13
Thermal Expansion, µm/m-K 23
7.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 180
2.4

Otherwise Unclassified Properties

Density, g/cm3 2.8
8.1

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4
21 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 130
280 to 2050
Stiffness to Weight: Axial, points 14
9.4
Stiffness to Weight: Bending, points 49
21
Strength to Weight: Axial, points 16
16 to 28
Strength to Weight: Bending, points 23
17 to 24
Thermal Diffusivity, mm2/s 88
3.1
Thermal Shock Resistance, points 7.0
34 to 57