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SAE-AISI T2 Steel vs. S41041 Stainless Steel

Both SAE-AISI T2 steel and S41041 stainless steel are iron alloys. They have 78% 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 T2 steel and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
910

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1820
1450
Melting Onset (Solidus), °C 1760
1410
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 19
29
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 46
8.5
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 11
2.2
Embodied Energy, MJ/kg 170
31
Embodied Water, L/kg 98
100

Common Calculations

PREN (Pitting Resistance) 36
13
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
32
Strength to Weight: Bending, points 20 to 40
27
Thermal Diffusivity, mm2/s 4.9
7.8
Thermal Shock Resistance, points 23 to 65
33

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.8 to 0.9
0.13 to 0.18
Chromium (Cr), % 3.8 to 4.5
11.5 to 13
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.8 to 75.8
84.5 to 87.8
Manganese (Mn), % 0.2 to 0.4
0.4 to 0.6
Molybdenum (Mo), % 0 to 1.0
0 to 0.2
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0 to 0.5
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