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SAE-AISI T5 Steel vs. S33550 Stainless Steel

Both SAE-AISI T5 steel and S33550 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T5 steel and the bottom bar is S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
680

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1810
1400
Melting Onset (Solidus), °C 1750
1360
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
24
Density, g/cm3 9.4
7.8
Embodied Carbon, kg CO2/kg material 11
4.3
Embodied Energy, MJ/kg 170
61
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 37
30
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 25 to 63
24
Strength to Weight: Bending, points 21 to 39
22
Thermal Diffusivity, mm2/s 5.5
3.9
Thermal Shock Resistance, points 26 to 66
15

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.040 to 0.1
Cerium (Ce), % 0
0.025 to 0.070
Chromium (Cr), % 3.8 to 5.0
25 to 28
Cobalt (Co), % 7.0 to 9.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 60.6 to 68.3
48.8 to 58.2
Lanthanum (La), % 0
0.025 to 0.070
Manganese (Mn), % 0.2 to 0.4
0 to 1.5
Molybdenum (Mo), % 0.5 to 1.3
0
Nickel (Ni), % 0 to 0.3
16.5 to 20
Niobium (Nb), % 0
0.050 to 0.15
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0 to 1.0
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