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7075-O Aluminum vs. Annealed K93600

7075-O aluminum belongs to the aluminum alloys classification, while annealed K93600 belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, 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 7075-O aluminum and the bottom bar is annealed K93600.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 59
130
Elastic (Young's, Tensile) Modulus, GPa 70
140
Elongation at Break, % 12
35
Shear Strength, MPa 150
320
Tensile Strength: Ultimate (UTS), MPa 240
480
Tensile Strength: Yield (Proof), MPa 120
280

Thermal Properties

Maximum Temperature: Mechanical, °C 200
440
Melting Onset (Solidus), °C 480
1430
Specific Heat Capacity, J/kg-K 870
520
Thermal Conductivity, W/m-K 130
13
Thermal Expansion, µm/m-K 23
7.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 98
2.4

Otherwise Unclassified Properties

Density, g/cm3 3.0
8.1

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
140
Resilience: Unit (Modulus of Resilience), kJ/m3 110
280
Stiffness to Weight: Axial, points 13
9.4
Stiffness to Weight: Bending, points 46
21
Strength to Weight: Axial, points 22
16
Strength to Weight: Bending, points 28
17
Thermal Diffusivity, mm2/s 50
3.1
Thermal Shock Resistance, points 10
34