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Grade TDC Steel vs. SAE-AISI 1090 Steel

Both grade TDC steel and SAE-AISI 1090 steel are iron alloys. Their average alloy composition is basically identical. There are 26 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 TDC steel and the bottom bar is SAE-AISI 1090 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
220 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 50
28 to 45
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 1700
790 to 950

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 47
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 60
28 to 34
Strength to Weight: Bending, points 40
24 to 27
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 50
25 to 31

Alloy Composition

Carbon (C), % 0.6 to 0.75
0.85 to 1.0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 98 to 99.4
98 to 98.6
Manganese (Mn), % 0.5 to 1.2
0.6 to 0.9
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.1 to 0.35
0
Sulfur (S), % 0 to 0.020
0 to 0.050