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Grade TDC Steel vs. EN 1.7386 Steel

Both grade TDC steel and EN 1.7386 steel are iron alloys. They have 90% 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 grade TDC steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
170 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 1700
550 to 670

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
600
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
26
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
10

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 19
28
Embodied Water, L/kg 47
88

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 60
20 to 24
Strength to Weight: Bending, points 40
19 to 22
Thermal Diffusivity, mm2/s 14
6.9
Thermal Shock Resistance, points 50
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.6 to 0.75
0.080 to 0.15
Chromium (Cr), % 0 to 0.3
8.0 to 10
Copper (Cu), % 0 to 0.1
0 to 0.3
Iron (Fe), % 98 to 99.4
86.8 to 90.5
Manganese (Mn), % 0.5 to 1.2
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0.1 to 0.35
0.25 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010