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SAE-AISI H24 Steel vs. S21603 Stainless Steel

Both SAE-AISI H24 steel and S21603 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 20 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 S21603 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
79
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
690

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Melting Completion (Liquidus), °C 1750
1420
Melting Onset (Solidus), °C 1700
1380
Specific Heat Capacity, J/kg-K 420
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 37
17
Density, g/cm3 9.1
7.7
Embodied Carbon, kg CO2/kg material 6.1
3.6
Embodied Energy, MJ/kg 93
50
Embodied Water, L/kg 78
160

Common Calculations

PREN (Pitting Resistance) 28
34
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
25
Strength to Weight: Bending, points 20 to 39
22
Thermal Shock Resistance, points 22 to 61
15

Alloy Composition

Carbon (C), % 0.42 to 0.53
0 to 0.030
Chromium (Cr), % 2.5 to 3.5
17.5 to 22
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 78 to 82.4
57.6 to 67.8
Manganese (Mn), % 0.15 to 0.4
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.15 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0