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SAE-AISI H24 Steel vs. ASTM A369 Grade FP22

Both SAE-AISI H24 steel and ASTM A369 grade FP22 are iron alloys. They have 83% 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 ASTM A369 grade FP22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
470

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Melting Completion (Liquidus), °C 1750
1470
Melting Onset (Solidus), °C 1700
1430
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 27
39
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
3.8
Density, g/cm3 9.1
7.9
Embodied Carbon, kg CO2/kg material 6.1
1.7
Embodied Energy, MJ/kg 93
23
Embodied Water, L/kg 78
58

Common Calculations

PREN (Pitting Resistance) 28
5.5
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 22 to 61
17
Strength to Weight: Bending, points 20 to 39
17
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 22 to 61
14

Alloy Composition

Carbon (C), % 0.42 to 0.53
0.050 to 0.15
Chromium (Cr), % 2.5 to 3.5
1.9 to 2.6
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 78 to 82.4
95 to 96.9
Manganese (Mn), % 0.15 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 0
0.87 to 1.1
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0