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EN 1.8509 Steel vs. Grade TDCrV Steel

Both EN 1.8509 steel and grade TDCrV steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.8509 steel and the bottom bar is grade TDCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
520
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 1130
1730

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
410
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.9
Embodied Energy, MJ/kg 22
26
Embodied Water, L/kg 65
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 40
61
Strength to Weight: Bending, points 31
41
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 33
51

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.38 to 0.45
0.62 to 0.72
Chromium (Cr), % 1.5 to 1.8
0.4 to 0.6
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 95.5 to 97.1
97.8 to 98.8
Manganese (Mn), % 0.4 to 0.7
0.5 to 0.9
Molybdenum (Mo), % 0.2 to 0.35
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0.15 to 0.3
Sulfur (S), % 0 to 0.035
0 to 0.020
Vanadium (V), % 0
0.15 to 0.25