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SAE-AISI O1 Steel vs. ACI-ASTM CE30 Steel

Both SAE-AISI O1 steel and ACI-ASTM CE30 steel are iron alloys. They have 62% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O1 steel and the bottom bar is ACI-ASTM CE30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 640 to 2060
630

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 43
14
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
19
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
3.4
Embodied Energy, MJ/kg 27
49
Embodied Water, L/kg 51
180

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 73
23
Strength to Weight: Bending, points 21 to 46
21
Thermal Diffusivity, mm2/s 12
3.6
Thermal Shock Resistance, points 21 to 68
13

Alloy Composition

Carbon (C), % 0.85 to 1.0
0 to 0.3
Chromium (Cr), % 0.4 to 0.6
26 to 30
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 95 to 97.4
55.1 to 66
Manganese (Mn), % 1.0 to 1.4
0 to 1.5
Nickel (Ni), % 0 to 0.3
8.0 to 11
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0 to 0.3
0