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Grade TDCrV Steel vs. EN 1.7077 Steel

Both grade TDCrV steel and EN 1.7077 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is grade TDCrV steel and the bottom bar is EN 1.7077 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 520
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 51
63 to 68
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1730
490 to 1750

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
420
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
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.3
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
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 61
17 to 62
Strength to Weight: Bending, points 41
18 to 41
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 51
14 to 51

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.62 to 0.72
0.34 to 0.38
Chromium (Cr), % 0.4 to 0.6
0.9 to 1.2
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 97.8 to 98.8
96.8 to 98.1
Manganese (Mn), % 0.5 to 0.9
0.7 to 1.0
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