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SAE-AISI T2 Steel vs. S24000 Stainless Steel

Both SAE-AISI T2 steel and S24000 stainless steel are iron alloys. They have 70% 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 T2 steel and the bottom bar is S24000 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 79
77
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
770

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1820
1390
Melting Onset (Solidus), °C 1760
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 46
12
Density, g/cm3 9.3
7.6
Embodied Carbon, kg CO2/kg material 11
2.7
Embodied Energy, MJ/kg 170
39
Embodied Water, L/kg 98
150

Common Calculations

PREN (Pitting Resistance) 36
23
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
28
Strength to Weight: Bending, points 20 to 40
24
Thermal Shock Resistance, points 23 to 65
16

Alloy Composition

Carbon (C), % 0.8 to 0.9
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.8 to 75.8
61.5 to 69
Manganese (Mn), % 0.2 to 0.4
11.5 to 14.5
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.3
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), % 0.2 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0