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SAE-AISI H24 Steel vs. ASTM Grade HL Steel

Both SAE-AISI H24 steel and ASTM grade HL steel are iron alloys. They have 51% of their average alloy composition in common. There are 20 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 ASTM grade HL 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
80
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
500

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Melting Completion (Liquidus), °C 1750
1390
Melting Onset (Solidus), °C 1700
1340
Specific Heat Capacity, J/kg-K 420
490
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 37
27
Density, g/cm3 9.1
7.8
Embodied Carbon, kg CO2/kg material 6.1
4.5
Embodied Energy, MJ/kg 93
65
Embodied Water, L/kg 78
210

Common Calculations

PREN (Pitting Resistance) 28
31
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
18
Strength to Weight: Bending, points 20 to 39
18
Thermal Shock Resistance, points 22 to 61
11

Alloy Composition

Carbon (C), % 0.42 to 0.53
0.2 to 0.6
Chromium (Cr), % 2.5 to 3.5
28 to 32
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 78 to 82.4
40.8 to 53.8
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.3
18 to 22
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