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SAE-AISI T2 Steel vs. S31260 Stainless Steel

Both SAE-AISI T2 steel and S31260 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T2 steel and the bottom bar is S31260 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
790

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1820
1450
Melting Onset (Solidus), °C 1760
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 19
16
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 46
20
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 11
3.9
Embodied Energy, MJ/kg 170
53
Embodied Water, L/kg 98
180

Common Calculations

PREN (Pitting Resistance) 36
39
Stiffness to Weight: Axial, points 12
15
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 Diffusivity, mm2/s 4.9
4.3
Thermal Shock Resistance, points 23 to 65
22

Alloy Composition

Carbon (C), % 0.8 to 0.9
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
24 to 26
Copper (Cu), % 0 to 0.25
0.2 to 0.8
Iron (Fe), % 70.8 to 75.8
59.6 to 67.6
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
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
0.1 to 0.5
Vanadium (V), % 1.8 to 2.4
0