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SAE-AISI 1146 Steel vs. Grade TDSiCrV Steel

Both SAE-AISI 1146 steel and grade TDSiCrV steel are iron alloys. They have a very high 98% of their average alloy composition in common. 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 1146 steel and the bottom bar is grade TDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
630
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 40 to 45
48
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 670 to 730
2100

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.3
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 18
26
Embodied Water, L/kg 46
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 26
75
Strength to Weight: Bending, points 22 to 23
47
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 20 to 22
63

Alloy Composition

Carbon (C), % 0.42 to 0.49
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 98.3 to 98.8
96.1 to 97.8
Manganese (Mn), % 0.7 to 1.0
0.4 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
1.2 to 1.7
Sulfur (S), % 0.080 to 0.13
0 to 0.020
Vanadium (V), % 0
0.1 to 0.25