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EN 1.4931 Steel vs. SAE-AISI H24 Steel

Both EN 1.4931 steel and SAE-AISI H24 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 (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4931 steel and the bottom bar is SAE-AISI H24 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 810
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Melting Completion (Liquidus), °C 1460
1750
Melting Onset (Solidus), °C 1420
1700
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 24
27
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
37
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 2.9
6.1
Embodied Energy, MJ/kg 42
93
Embodied Water, L/kg 100
78

Common Calculations

PREN (Pitting Resistance) 16
28
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 29
22 to 61
Strength to Weight: Bending, points 25
20 to 39
Thermal Diffusivity, mm2/s 6.5
6.9
Thermal Shock Resistance, points 22
22 to 61

Alloy Composition

Carbon (C), % 0.2 to 0.26
0.42 to 0.53
Chromium (Cr), % 11.3 to 12.2
2.5 to 3.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 83.2 to 86.8
78 to 82.4
Manganese (Mn), % 0.5 to 0.8
0.15 to 0.4
Molybdenum (Mo), % 1.0 to 1.2
0
Nickel (Ni), % 0 to 1.0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.4
0.15 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0 to 0.5
14 to 16
Vanadium (V), % 0.25 to 0.35
0.4 to 0.6