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Grade TDSiCr Steel vs. SAE-AISI T2 Steel

Both grade TDSiCr steel and SAE-AISI T2 steel are iron alloys. They have 75% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 1950
780 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1440
1820
Melting Onset (Solidus), °C 1400
1760
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 46
19
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
46
Density, g/cm3 7.7
9.3
Embodied Carbon, kg CO2/kg material 1.5
11
Embodied Energy, MJ/kg 20
170
Embodied Water, L/kg 48
98

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 70
23 to 64
Strength to Weight: Bending, points 45
20 to 40
Thermal Diffusivity, mm2/s 12
4.9
Thermal Shock Resistance, points 58
23 to 65

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.8 to 0.9
Chromium (Cr), % 0.5 to 0.8
3.8 to 4.5
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 96.6 to 97.8
70.8 to 75.8
Manganese (Mn), % 0.5 to 0.9
0.2 to 0.4
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 1.2 to 1.6
0.2 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.8 to 2.4