SAE-AISI H24 Steel vs. S45503 Stainless Steel

Both SAE-AISI H24 steel and S45503 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H24 steel and the bottom bar is S45503 stainless steel.

SAE-AISI H24 (T20824) Tungsten Hot-Work Steel UNS S45503 Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		78
Shear Modulus, GPa		75

Tensile Strength: Ultimate (UTS), MPa		720 to 1990
Tensile Strength: Ultimate (UTS), MPa		1610 to 1850

Thermal Properties

Latent Heat of Fusion, J/g		240
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1750
Melting Completion (Liquidus), °C		1440

Melting Onset (Solidus), °C		1700
Melting Onset (Solidus), °C		1400

Specific Heat Capacity, J/kg-K		420
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Base Metal Price, % relative		37
Base Metal Price, % relative		15

Density, g/cm³		9.1
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		6.1
Embodied Carbon, kg CO₂/kg material		3.4

Embodied Energy, MJ/kg		93
Embodied Energy, MJ/kg		48

Embodied Water, L/kg		78
Embodied Water, L/kg		120

Common Calculations

PREN (Pitting Resistance)		28
PREN (Pitting Resistance)		13

Stiffness to Weight: Axial, points		12
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		22 to 61
Strength to Weight: Axial, points		57 to 65

Strength to Weight: Bending, points		20 to 39
Strength to Weight: Bending, points		39 to 43

Thermal Shock Resistance, points		22 to 61
Thermal Shock Resistance, points		56 to 64

Alloy Composition

Carbon (C), %		0.42 to 0.53
Carbon (C), %		0 to 0.010

Chromium (Cr), %		2.5 to 3.5
Chromium (Cr), %		11 to 12.5

Copper (Cu), %		0 to 0.25
Copper (Cu), %		1.5 to 2.5

Iron (Fe), %		78 to 82.4
Iron (Fe), %		72.4 to 78.9

Manganese (Mn), %		0.15 to 0.4
Manganese (Mn), %		0 to 0.5

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.5

Nickel (Ni), %		0 to 0.3
Nickel (Ni), %		7.5 to 9.5

Niobium (Nb), %		0
Niobium (Nb), %		0.1 to 0.5

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0.15 to 0.4
Silicon (Si), %		0 to 0.2

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.010

Titanium (Ti), %		0
Titanium (Ti), %		1.0 to 1.4

Tungsten (W), %		14 to 16
Tungsten (W), %		0

Vanadium (V), %		0.4 to 0.6
Vanadium (V), %		0