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Grade TDCrV Steel vs. SAE-AISI 1021 Steel

Both grade TDCrV steel and SAE-AISI 1021 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 TDCrV steel and the bottom bar is SAE-AISI 1021 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 520
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 51
46 to 54
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1730
480 to 530

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 26
18
Embodied Water, L/kg 49
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 61
17 to 19
Strength to Weight: Bending, points 41
17 to 18
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 51
15 to 17

Alloy Composition

Carbon (C), % 0.62 to 0.72
0.18 to 0.23
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 97.8 to 98.8
98.8 to 99.22
Manganese (Mn), % 0.5 to 0.9
0.6 to 0.9
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.3
0
Sulfur (S), % 0 to 0.020
0 to 0.050
Vanadium (V), % 0.15 to 0.25
0