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SAE-AISI T8 Steel vs. S33228 Stainless Steel

Both SAE-AISI T8 steel and S33228 stainless steel are iron alloys. They have 44% 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 T8 steel and the bottom bar is S33228 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 780 to 2140
570

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1730
1410
Melting Onset (Solidus), °C 1670
1360
Specific Heat Capacity, J/kg-K 420
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
37
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 10
6.2
Embodied Energy, MJ/kg 160
89
Embodied Water, L/kg 120
220

Common Calculations

PREN (Pitting Resistance) 30
27
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24 to 66
20
Strength to Weight: Bending, points 21 to 41
19
Thermal Shock Resistance, points 24 to 66
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0.75 to 0.85
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 3.8 to 4.5
26 to 28
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 69.3 to 75.4
36.5 to 42.3
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 13.3 to 14.8
0
Vanadium (V), % 1.8 to 2.4
0