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Grade TDCrV Steel vs. EN 1.7321 Steel

Both grade TDCrV steel and EN 1.7321 steel are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade TDCrV steel and the bottom bar is EN 1.7321 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 520
150 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1730
490 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
410
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
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 26
20
Embodied Water, L/kg 49
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 61
17 to 52
Strength to Weight: Bending, points 41
18 to 36
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 51
14 to 43

Alloy Composition

Carbon (C), % 0.62 to 0.72
0.17 to 0.23
Chromium (Cr), % 0.4 to 0.6
0.3 to 0.6
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 97.8 to 98.8
97.1 to 98.4
Manganese (Mn), % 0.5 to 0.9
0.7 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.15 to 0.3
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0.15 to 0.25
0