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SAE-AISI P2 Steel vs. S24000 Stainless Steel

Both SAE-AISI P2 steel and S24000 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P2 steel and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 330 to 1980
770

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.7
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
39
Embodied Water, L/kg 51
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 12 to 70
28
Strength to Weight: Bending, points 14 to 45
24
Thermal Shock Resistance, points 11 to 65
16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 0.75 to 1.3
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.6 to 98.8
61.5 to 69
Manganese (Mn), % 0.1 to 0.4
11.5 to 14.5
Molybdenum (Mo), % 0.15 to 0.4
0
Nickel (Ni), % 0.1 to 0.5
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0.1 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030