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SAE-AISI H24 Steel vs. SAE-AISI M50 Steel

Both SAE-AISI H24 steel and SAE-AISI M50 steel are iron alloys. They have 85% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H24 steel and the bottom bar is SAE-AISI M50 steel.

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
75
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Melting Completion (Liquidus), °C 1750
1480
Melting Onset (Solidus), °C 1700
1440
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 27
35
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.0
Density, g/cm3 9.1
7.9
Embodied Carbon, kg CO2/kg material 6.1
5.1
Embodied Energy, MJ/kg 93
74
Embodied Water, L/kg 78
83

Common Calculations

PREN (Pitting Resistance) 28
19
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
26 to 80
Strength to Weight: Bending, points 20 to 39
23 to 49
Thermal Diffusivity, mm2/s 6.9
9.7
Thermal Shock Resistance, points 22 to 61
21 to 66

Alloy Composition

Carbon (C), % 0.42 to 0.53
0.78 to 0.88
Chromium (Cr), % 2.5 to 3.5
3.8 to 4.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 78 to 82.4
87 to 90.4
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.45
Molybdenum (Mo), % 0
3.9 to 4.8
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0.8 to 1.3

Comparable Variants