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SAE-AISI T8 Steel vs. S32053 Stainless Steel

Both SAE-AISI T8 steel and S32053 stainless steel are iron alloys. They have 51% 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 T8 steel and the bottom bar is S32053 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 780 to 2140
730

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1730
1450
Melting Onset (Solidus), °C 1670
1400
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 18
13
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
33
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 10
6.1
Embodied Energy, MJ/kg 160
83
Embodied Water, L/kg 120
210

Common Calculations

PREN (Pitting Resistance) 30
44
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24 to 66
25
Strength to Weight: Bending, points 21 to 41
22
Thermal Diffusivity, mm2/s 4.8
3.3
Thermal Shock Resistance, points 24 to 66
16

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
22 to 24
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 69.3 to 75.4
41.7 to 48.8
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
5.0 to 6.0
Nickel (Ni), % 0 to 0.3
24 to 26
Nitrogen (N), % 0
0.17 to 0.22
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 13.3 to 14.8
0
Vanadium (V), % 1.8 to 2.4
0