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Grade TDCrV Steel vs. Grade TDC Steel

Both grade TDCrV steel and grade TDC steel are iron alloys. Both are furnished in the hardened (H) condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is grade TDCrV steel and the bottom bar is grade TDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 520
510
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 51
50
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 1730
1700

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
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 49
51
Thermal Expansion, µm/m-K 13
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 2.1
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 26
19
Embodied Water, L/kg 49
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 61
60
Strength to Weight: Bending, points 41
40
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 51
50

Alloy Composition

Carbon (C), % 0.62 to 0.72
0.6 to 0.75
Chromium (Cr), % 0.4 to 0.6
0 to 0.3
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 97.8 to 98.8
98 to 99.4
Manganese (Mn), % 0.5 to 0.9
0.5 to 1.2
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.15 to 0.3
0.1 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.020
Vanadium (V), % 0.15 to 0.25
0