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Grade TDC Steel vs. EN 1.4374 Stainless Steel

Both grade TDC steel and EN 1.4374 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade TDC steel and the bottom bar is EN 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 1700
800

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
920
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
42
Embodied Water, L/kg 47
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 60
29
Strength to Weight: Bending, points 40
25
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 50
17

Alloy Composition

Carbon (C), % 0.6 to 0.75
0.050 to 0.1
Chromium (Cr), % 0 to 0.3
17.5 to 18.5
Copper (Cu), % 0 to 0.1
0 to 0.4
Iron (Fe), % 98 to 99.4
63.5 to 67.9
Manganese (Mn), % 0.5 to 1.2
9.0 to 10
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
5.0 to 6.0
Nitrogen (N), % 0
0.25 to 0.32
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0.1 to 0.35
0.3 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030