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SAE-AISI H24 Steel vs. ACI-ASTM CE30 Steel

Both SAE-AISI H24 steel and ACI-ASTM CE30 steel are iron alloys. They have 64% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H24 steel and the bottom bar is ACI-ASTM CE30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
630

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Melting Completion (Liquidus), °C 1750
1410
Melting Onset (Solidus), °C 1700
1360
Specific Heat Capacity, J/kg-K 420
490
Thermal Conductivity, W/m-K 27
14
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 37
19
Density, g/cm3 9.1
7.7
Embodied Carbon, kg CO2/kg material 6.1
3.4
Embodied Energy, MJ/kg 93
49
Embodied Water, L/kg 78
180

Common Calculations

PREN (Pitting Resistance) 28
28
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
23
Strength to Weight: Bending, points 20 to 39
21
Thermal Diffusivity, mm2/s 6.9
3.6
Thermal Shock Resistance, points 22 to 61
13

Alloy Composition

Carbon (C), % 0.42 to 0.53
0 to 0.3
Chromium (Cr), % 2.5 to 3.5
26 to 30
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 78 to 82.4
55.1 to 66
Manganese (Mn), % 0.15 to 0.4
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), % 0.15 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0