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SAE-AISI H24 Steel vs. S45000 Stainless Steel

Both SAE-AISI H24 steel and S45000 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H24 steel and the bottom bar is S45000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
980 to 1410

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Melting Completion (Liquidus), °C 1750
1440
Melting Onset (Solidus), °C 1700
1390
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 27
17
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 9.1
7.8
Embodied Carbon, kg CO2/kg material 6.1
2.8
Embodied Energy, MJ/kg 93
39
Embodied Water, L/kg 78
130

Common Calculations

PREN (Pitting Resistance) 28
17
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
35 to 50
Strength to Weight: Bending, points 20 to 39
28 to 36
Thermal Diffusivity, mm2/s 6.9
4.5
Thermal Shock Resistance, points 22 to 61
33 to 47

Alloy Composition

Carbon (C), % 0.42 to 0.53
0 to 0.050
Chromium (Cr), % 2.5 to 3.5
14 to 16
Copper (Cu), % 0 to 0.25
1.3 to 1.8
Iron (Fe), % 78 to 82.4
72.1 to 79.3
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0 to 0.3
5.0 to 7.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0

Comparable Variants