MakeItFrom.com
Menu (ESC)

SAE-AISI O2 Steel vs. SAE-AISI H24 Steel

Both SAE-AISI O2 steel and SAE-AISI H24 steel are iron alloys. They have 82% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O2 steel and the bottom bar is SAE-AISI H24 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 640 to 2050
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Melting Completion (Liquidus), °C 1450
1750
Melting Onset (Solidus), °C 1410
1700
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 43
27
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
37
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 1.8
6.1
Embodied Energy, MJ/kg 26
93
Embodied Water, L/kg 50
78

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 23 to 73
22 to 61
Strength to Weight: Bending, points 21 to 46
20 to 39
Thermal Diffusivity, mm2/s 12
6.9
Thermal Shock Resistance, points 22 to 70
22 to 61

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.42 to 0.53
Chromium (Cr), % 0 to 0.5
2.5 to 3.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 95 to 97.8
78 to 82.4
Manganese (Mn), % 1.4 to 1.8
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0 to 0.3
0.4 to 0.6

Comparable Variants