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SAE-AISI 1090 Steel vs. Grade TDC Steel

Both SAE-AISI 1090 steel and grade TDC 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 SAE-AISI 1090 steel and the bottom bar is grade TDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 240
250
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 50
51
Thermal Expansion, µm/m-K 12
13

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 1.8
1.9
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 46
47

Common Calculations

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

Alloy Composition

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